At the A1 level, you don't need to worry about the complex chemistry of fermentation. Think of 'hakkō shita' as a word describing certain foods you see every day in Japan. You might see it on a yogurt tub or hear it when someone talks about bread. At this stage, just remember that 'hakkō shita' means 'fermented' and it's usually about food that is healthy or has a strong smell. You can use it in very simple sentences like 'Kore wa hakkō shita tabemono desu' (This is a fermented food). It is helpful to associate this word with pictures of miso, yogurt, and bread to help it stick in your memory. Don't worry about the kanji yet; just focus on the sound 'hakkō' and the fact that it's a good thing for your stomach. You might also hear it in the context of 'hakkō-nyū' which is fermented milk, like Yakult. Keeping it simple is best: Hakkō = Fermented = Healthy food.
At the A2 level, you can start using 'hakkō shita' to describe your preferences and daily habits. For example, you might say 'Watashi wa hakkō shita tabemono ga suki desu' (I like fermented foods). You should also begin to recognize the difference between 'hakkō shita' (it has fermented) and 'hakkō suru' (it ferments). This is useful if you are trying out simple Japanese recipes, like making your own pickles or baking bread. You will see this word often in Japanese supermarkets on labels for kimchi, natto, and various types of yogurt. You can also use it to ask questions, like 'Kore wa hakkō shite imasu ka?' (Is this fermented?). Understanding that this word is a combination of a verb (hakkō suru) and its past tense (shita) will help you understand how Japanese verbs can act like adjectives to describe things. It's a great word to have in your vocabulary when talking about Japanese culture because so much of Japanese food is fermented!
At the B1 level, you should be able to use 'hakkō shita' in more detailed descriptions and understand its role in health and cooking. You can explain *why* something is 'hakkō shita'—for example, 'Kono miso wa sannenkan hakkō shita mono desu' (This miso has been fermented for three years). You should also be aware of the distinction between 'hakkō' (fermentation) and 'fuhai' (rotting), as this is a common point of discussion in Japanese food culture. At this level, you can participate in conversations about 'cho-katsu' (gut health) and mention how 'hakkō shita shokuhin' (fermented foods) are beneficial. You might also encounter the word in news articles about food technology or traditional crafts. You should be comfortable using it to modify various nouns, such as 'hakkō shita kiji' (fermented dough) or 'hakkō shita ekisu' (fermented extract). This word is a key part of the 'intermediate' vocabulary because it moves beyond basic survival Japanese into the realm of culture, health, and specific processes.
At the B2 level, you can use 'hakkō shita' in academic, professional, or highly technical contexts. You might discuss the biochemical process where microorganisms like yeast or bacteria break down sugars. You should be able to use the word to describe industrial processes, such as 'hakkō shita gomi karaバイオガスを作る' (making biogas from fermented waste). You can also use it metaphorically to describe social or intellectual trends that have been 'brewing.' Your understanding of the word should include its relationship with related terms like 'jōzō' (brewing) and 'jukusei' (aging/maturation), and you should be able to choose the most appropriate term based on the context. For instance, you would know to use 'jukusei' for dry-aged beef but 'hakkō' for the initial process of making sourdough. You can handle complex sentences that involve multiple clauses, such as 'Hakkō shita koto de umami ga mashi, eiyōka mo takaku naru' (By being fermented, the umami increases and the nutritional value also becomes higher).
At the C1 level, you have a nuanced understanding of 'hakkō shita' and can use it with precision in literary or highly specialized fields. You can appreciate the word's presence in historical texts about Japanese sake production or traditional medicine. You might use it to describe the 'fermentation' of a political movement or the 'brewing' of a long-term conflict in a sophisticated way. You are also aware of the subtle cultural nuances, such as how 'hakkō' is often linked to the Japanese concept of 'living in harmony with nature' through the use of beneficial microbes. You can discuss the differences between various types of fermentation (lactic acid, alcoholic, acetic) using the appropriate terminology. In writing, you can use 'hakkō shita' to create rich, evocative descriptions of food and drink, moving beyond simple facts to describe the texture, aroma, and historical weight of fermented products. You can also critique the use of the word in marketing versus its actual scientific application.
At the C2 level, your mastery of 'hakkō shita' is indistinguishable from that of a highly educated native speaker. You can engage in deep philosophical or scientific debates about the role of fermentation in human evolution and civilization. You might analyze how the discovery of 'hakkō shita' foods allowed ancient societies to preserve nutrients and survive harsh winters. You can use the term fluidly in any register, from extremely formal scientific papers to casual, pun-filled conversations. You understand the most obscure uses of the term and can identify when it is used as a technical jargon in fields like biotechnology or environmental engineering. You can also explore the poetic and metaphorical depths of the word, perhaps using it in creative writing to describe the slow, transformative power of time on the human soul. Your ability to use 'hakkō shita' is not just about the word itself, but about the vast web of cultural, scientific, and historical associations it carries in the Japanese language.

発酵した 30초 만에

  • Means 'fermented' in Japanese.
  • Commonly used for healthy foods like miso and yogurt.
  • Grammatically a past-tense verb acting as an adjective.
  • Distinct from 'rotting' (fuhai/kusatta) which is negative.

The term 発酵した (hakkō shita) is the past-participle or adjectival form of the verb 発酵する (hakkō suru), which means 'to ferment.' In the context of Japanese culture and culinary arts, this word is foundational. Fermentation is the chemical breakdown of a substance by bacteria, yeasts, or other microorganisms, typically involving effervescence and the giving off of heat. While the scientific definition is precise, the everyday usage in Japan revolves around the country's rich heritage of preserved foods. When you say something is hakkō shita, you are describing a state where a food item has undergone a transformative process that enhances its flavor, nutritional value, and shelf life.

Culinary Context
Used to describe staples like miso, shoyu (soy sauce), and natto. It implies a 'living' food that has matured through microbial activity.
Scientific Context
Used in biology and chemistry to describe the anaerobic respiration process of microorganisms converting sugars into acids, gases, or alcohol.
Metaphorical Context
Occasionally used to describe ideas or social movements that have been 'brewing' or developing slowly over time beneath the surface.

これは、三年間発酵した特別な味噌です。 (This is a special miso that has been fermented for three years.)

In Japan, the distinction between hakkō (fermentation) and fuhai (putrefaction/rotting) is culturally significant. While both involve microbial breakdown, hakkō is the beneficial, controlled version that yields delicious food like sake or yogurt. You will encounter this word frequently on food labels, in health documentaries, and during cooking classes. Because Japanese cuisine relies so heavily on fermented products, understanding this word is key to understanding the Japanese palate. From the pungent aroma of natto to the deep umami of aged soy sauce, hakkō shita products are the backbone of the Japanese diet. Modern health trends also emphasize 'hakkō shokuhin' (fermented foods) for gut health, making this term very common in wellness circles.

発酵した生地が二倍の大きさに膨らみました。 (The fermented dough expanded to twice its size.)

Beyond food, the word can appear in industrial contexts, such as the production of biofuels or organic fertilizers. In these cases, it maintains its technical sense of biological conversion. However, for most learners, the primary encounter will be at the dinner table or in the kitchen. It is often paired with nouns like shokuhin (food), ekisu (extract), or kiji (dough). Understanding the kanji helps too: 発 (hatsu) means 'to start' or 'emit', and 酵 (kō) specifically refers to yeast or fermentation. Together, they paint a picture of life starting within a substance, changing its very nature. As you explore Japanese supermarkets, look for the kanji 発酵 on yogurt tubs, bread packaging, and bottles of traditional condiments.

Using 発酵した correctly involves understanding its role as a past-tense verb functioning as an adjective. In Japanese, the past tense of a verb can directly modify a noun to show a completed state. Thus, hakkō shita modifies the noun that follows it, indicating that the fermentation process has already occurred and the object is now in a fermented state.

Direct Modification
[発酵した] + [Noun]. Example: 発酵した大豆 (Fermented soybeans).
Predicate Usage
[Subject] + が + 発酵した. Example: パンの生地が発酵した (The bread dough has fermented).

このお酒は、発酵した米から作られています。 (This sake is made from fermented rice.)

When talking about the process of fermentation, we often use the duration. You might say 'three days fermented' or 'long-term fermented.' In Japanese, this looks like mikkakan hakkō shita (fermented for three days). This adds precision to your descriptions, especially when discussing the quality of products like miso or cheese. Additionally, the word is often used in the passive sense or as a resultative state. If you are describing a recipe, you might say 'Wait until the dough has fermented,' which would be kiji ga hakkō suru made matte kudasai. But once it is done, the dough becomes hakkō shita kiji.

十分にご飯を発酵した後、麹を加えます。 (After the rice has fermented sufficiently, add the koji mold.)

It is also useful to distinguish between the 'act' and the 'state.' Hakkō shita usually focuses on the state of the product after the change. For instance, in a supermarket, you might see hakkō-nyū (fermented milk/yogurt drinks). While hakkō-nyū is a compound noun, using hakkō shita miruku would be a more descriptive way to say 'milk that has undergone fermentation.' In more formal or scientific writing, you might see hakkō seshimeta (caused to ferment), but for B1 learners, hakkō shita is the standard, versatile form to master.

You will encounter 発酵した in several distinct environments in Japan. The most common is the **grocery store**. Walk down the dairy or condiment aisle, and you'll see labels boasting about 'hakkō' processes. Yogurt containers often mention hakkō shita nyūsan-kin (fermented lactic acid bacteria). This is a major selling point in Japan, where gut health (cho-katsu) is a popular topic. You'll hear it on **TV commercials** for health supplements and probiotic drinks, often spoken in a reassuring, professional tone to emphasize the natural benefits of the product.

In the Kitchen
Cooking shows (ryōri bangumi) frequently use the word when explaining how to make bread, miso, or pickles. 'Kiji ga hakkō shita ka kakunin shimasu' (Check if the dough has fermented).
Health & Wellness
Magazines and blogs discussing 'superfoods' will list fermented items like kimchi or kombucha as hakkō shita shokuhin.

このパンは発酵したバターの香りがしますね。 (This bread smells like fermented butter, doesn't it?)

Another place is **traditional breweries** (kura). If you visit a sake brewery in Nada or Fushimi, the guide will explain the stages of production. They will point to the vats and describe the hakkō shita moromi (the fermented mash). Here, the word carries a sense of craftsmanship and tradition. In **scientific or educational settings**, such as a high school biology class, students learn about the difference between hakkō and kokyū (respiration). You'll hear teachers explaining how yeast hakkō shita results in CO2 and alcohol.

最近、発酵した食べ物が健康に良いと話題です。 (Recently, it's a hot topic that fermented foods are good for your health.)

Finally, in **modern cafes**, you might see 'fermented' as a buzzword on the menu. A 'Hakkō Plate' might feature a variety of pickles, miso soup, and grain-based fermented dishes. In this context, hakkō shita is associated with 'slow food' and a return to traditional, healthy eating habits. Whether you're listening to a podcast about gut microbes or just reading the back of a yogurt tub, hakkō shita is an omnipresent term in the modern Japanese linguistic landscape.

The most frequent mistake learners make with 発酵した is confusing it with **腐った (kusatta)**, which means 'rotted' or 'spoiled.' While both involve biological breakdown, the connotation is opposite. Hakkō shita is intentional, beneficial, and safe to eat. Kusatta is unintentional, harmful, and smelly in a bad way. If you tell a chef their miso is kusatta, you are insulting their craft; if you say it is well-hakkō shita, you are praising it.

Mistake: Confusing Hakkō and Kusatta
Wrong: この牛乳は発酵したから、捨てましょう (This milk fermented, so let's throw it away). Correct: この牛乳は腐ったから (This milk spoiled).
Mistake: Using it for 'Aging' Meat
While related, meat is usually described as jukusei shita (aged) rather than hakkō shita (fermented), unless it's specifically a fermented meat product like dry salami.

× 腐ったパン生地 (Spoiled bread dough)
発酵したパン生地 (Fermented bread dough)

Another mistake is the **grammatical placement**. Some learners try to use it like a 'na-adjective' (e.g., hakkō na...), but it is a verb in its past-tense form. It must be hakkō shita or hakkō shite iru. Also, be careful with the word **醸造 (jōzō)**. Jōzō is specifically 'brewing' (for soy sauce, sake, or beer). While brewing involves fermentation, hakkō is the broader biological term. You wouldn't usually say yogurt is jōzō shita; you would say it is hakkō shita.

× 彼は考えが発酵した (His thoughts fermented - sounds strange).
○ 彼のアイディアが熟成した (His ideas matured/ripened).

Finally, don't over-rely on hakkō shita for every 'matured' flavor. For fruits, use jukushita (ripened). For cheese, you can use hakkō shita, but 熟成した (jukusei shita) is often preferred to describe the aging process that develops complex flavors. Using the wrong term can make you sound like a biology textbook rather than a person enjoying food. Context is key: use hakkō when the biological activity of yeast/bacteria is the focus, and jukusei when the resulting flavor/maturity is the focus.

There are several words related to the process of change and maturation in Japanese. Understanding the nuances between 発酵した and its synonyms will elevate your Japanese from functional to natural. The most common alternatives are 熟成した (jukusei shita), 醸造した (jōzō shita), and 腐敗した (fuhai shita).

熟成した (Jukusei shita)
Meaning 'aged' or 'matured.' Used for meat, cheese, and wine. Focuses on the improvement of flavor over time rather than just the microbial process.
醸造した (Jōzō shita)
Meaning 'brewed.' Specifically used for liquid products like sake, beer, miso, and soy sauce made in large batches.
熟した (Jukushita)
Meaning 'ripened.' Used almost exclusively for fruit and vegetables (e.g., a ripe tomato or banana).

このワインは十年間熟成したものです。 (This wine has been aged for ten years.)

When should you choose hakkō shita? Choose it when you are specifically referring to the biological activity of microorganisms. For example, if you are making sourdough bread, the 'fermentation' stage is purely hakkō. If you are talking about the health benefits of probiotics, use hakkō. However, if you are at a high-end steakhouse, you would talk about jukusei-niku (aged beef), not hakkō-niku. Similarly, while miso is a hakkō shokuhin (fermented food), the process of making it on a commercial scale is jōzō.

伝統的な手法で醸造された醤油は味が深いです。 (Soy sauce brewed with traditional methods has a deep flavor.)

Lastly, in very formal or technical Japanese, you might see tenka (転化) for chemical conversion, but this is rare in daily life. For the vast majority of situations involving yogurt, bread, pickles, and health, hakkō shita is your go-to term. Just remember the 'positive' nature of the word versus the 'negative' nature of fuhai (rotting), and you will be able to navigate Japanese culinary conversations with ease.

How Formal Is It?

재미있는 사실

The kanji for 'kō' (酵) contains the radical for sake (酉), highlighting the ancient link between fermentation and alcohol production.

발음 가이드

UK hakkō ʃita
US hakoʊ ʃitə
Pitch accent is usually on the 'kō' (low-high-high-low).
라임이 맞는 단어
Gakkō (school) Zekkō (perfect) Nikkō (sunlight) Kekkō (splendid) Sakkō (recent) Rokkō (Mount Rokko) Gekkō (moonlight) Hakkō (publication)
자주 하는 실수
  • Pronouncing it as 'hako' (short o) instead of 'hakkō' (long o).
  • Missing the double 'k' (sokuon) which makes it sound like 'hakō'.
  • Confusing the pitch accent with 'hakkō' (emission/publication).

난이도

독해 3/5

The kanji for 'kō' (酵) is JLPT N1 level, though the word itself is common.

쓰기 4/5

Writing 酵 from memory is difficult due to the many strokes.

말하기 2/5

Pronunciation is straightforward once the long vowel is mastered.

듣기 2/5

Easy to recognize in contexts involving food or health.

다음에 무엇을 배울까

선수 학습

食べ物 (Food) 作る (To make) 体 (Body) いい (Good) お酒 (Alcohol)

다음에 배울 것

熟成 (Maturation) 酵素 (Enzyme) 乳酸菌 (Lactic acid bacteria) 腸内環境 (Gut environment) 保存食 (Preserved food)

고급

嫌気性代謝 (Anaerobic metabolism) 醸造学 (Enology/Brewing science) 有用微生物群 (Effective Microorganisms)

알아야 할 문법

Past Tense as Adjective

発酵したパン (Bread that has fermented)

Te-form for State/Reason

発酵して、美味しくなった。 (It fermented and became delicious.)

Potential Form with Hakkō

この条件なら発酵できる。 (It can ferment under these conditions.)

Causative Form

生地を発酵させる。 (Make the dough ferment.)

Noun + による (Due to)

発酵による変化。 (Changes due to fermentation.)

수준별 예문

1

これは発酵したパンです。

This is fermented bread.

Simple [Noun] + です structure.

2

発酵した食べ物は体にいいです。

Fermented food is good for the body.

Topic marker は followed by an adjective phrase.

3

ヨーグルトは発酵したミルクです。

Yogurt is fermented milk.

A is B structure.

4

発酵した大豆は納豆です。

Fermented soybeans are natto.

Modifying the noun 'soybeans'.

5

このお酒は発酵しました。

This alcohol fermented.

Past tense verb as a predicate.

6

発酵した食べ物が好きですか?

Do you like fermented food?

Question form with 'ga suki'.

7

それは発酵した野菜です。

Those are fermented vegetables.

Modifying the noun 'vegetables'.

8

生地が発酵しました。

The dough fermented.

Simple subject + verb sentence.

1

発酵した生地をオーブンに入れます。

Put the fermented dough in the oven.

Using the fermented dough as an object.

2

この味噌は長く発酵したものです。

This miso is something that has fermented for a long time.

Using 'mono' to nominalize the phrase.

3

発酵したバターは香りがいいです。

Fermented butter has a good aroma.

Subject is a noun phrase modified by 'hakkō shita'.

4

チーズは発酵した乳製品です。

Cheese is a fermented dairy product.

Defining cheese using the term.

5

よく発酵したキムチは酸っぱいです。

Well-fermented kimchi is sour.

Adverb 'yoku' modifying the fermented state.

6

発酵したエキスが入った化粧水です。

It is a lotion containing fermented extract.

Complex noun phrase modifying 'keshōsui'.

7

お米が発酵してお酒になります。

Rice ferments and becomes alcohol.

Te-form to show sequence/cause.

8

発酵した食品を毎日食べます。

I eat fermented food every day.

Direct object modified by the adjective form.

1

このお茶は少し発酵したタイプです。

This tea is a slightly fermented type (like oolong).

Using 'sukoshi' to show degree.

2

発酵した豆の匂いに慣れました。

I got used to the smell of fermented beans.

Target of 'naremashita' (got used to).

3

一晩発酵した生地は、とても柔らかいです。

The dough that fermented overnight is very soft.

Relative clause: 'dough that fermented overnight'.

4

伝統的な方法で発酵した醤油を選びます。

I choose soy sauce fermented by traditional methods.

Adverbial phrase 'dentō-tekina hōhō de'.

5

発酵したことで、栄養が吸収されやすくなります。

By being fermented, nutrients become easier to absorb.

Using 'koto de' to show reason/means.

6

低温でゆっくり発酵したパンは美味しいです。

Bread fermented slowly at low temperatures is delicious.

Complex modification of 'pan'.

7

発酵した食品は、保存性が高いのが特徴です。

A characteristic of fermented foods is their high preservability.

Nominalized clause as the subject.

8

これは発酵した魚を使った調味料です。

This is a seasoning made using fermented fish.

Relative clause within a predicate.

1

微生物の働きによって発酵した物質を調べます。

Investigate substances fermented by the action of microorganisms.

Passive-like structure with 'ni yotte'.

2

発酵したマスト(ぶどう汁)がワインに変わります。

The fermented must (grape juice) turns into wine.

Technical term 'must' modified by 'hakkō shita'.

3

十分に発酵したかどうか、pH値で確認します。

Check whether it has fermented sufficiently using the pH value.

Embedded question 'ka dō ka'.

4

発酵した大豆粕は、家畜の飼料として使われます。

Fermented soybean meal is used as livestock feed.

Passive voice 'tsukawaremasu'.

5

この堆肥は、有機物が完全に発酵した状態です。

This compost is in a state where organic matter has completely fermented.

Modifying the noun 'jōtai' (state).

6

発酵した食品の摂取は、腸内フローラを改善します。

Intake of fermented foods improves gut flora.

Formal noun 'sesshu' (intake).

7

自然に発酵した果実を食べて、動物が酔うことがあります。

Animals sometimes get drunk by eating naturally fermented fruit.

Adverb 'shizen ni' (naturally).

8

発酵した液体を蒸留して、アルコール度数を高めます。

Distill the fermented liquid to increase the alcohol content.

Te-form for sequence of actions.

1

発酵した言説が社会に大きな影響を与え始めた。

The 'fermented' discourse has begun to have a major impact on society.

Metaphorical use of 'hakkō shita'.

2

長年、彼の中で発酵したアイディアがついに形になった。

The idea that had been fermenting inside him for years finally took shape.

Metaphorical use describing intellectual growth.

3

不満が発酵した結果、大規模なデモに発展した。

As a result of 'fermented' (brewing) dissatisfaction, it developed into a large-scale protest.

Metaphorical use for emotions.

4

発酵した有機肥料は、土壌の質を根本から改善する。

Fermented organic fertilizer fundamentally improves soil quality.

Scientific/Agricultural context.

5

この建築は、伝統と現代が発酵したような独特の美しさがある。

This architecture has a unique beauty, as if tradition and modernity have fermented together.

Poetic simile using 'hakkō shita'.

6

発酵した素材の持つ複雑な旨味を、最大限に引き出す。

Bring out the complex umami of fermented ingredients to the maximum.

Describing sensory complexity.

7

その文化は、多様な民族が混ざり合い、発酵したものである。

That culture is something that 'fermented' through the mixing of diverse ethnic groups.

Sociological metaphor.

8

細胞レベルで発酵したエネルギーが、生命を支えている。

Energy 'fermented' at the cellular level supports life.

Biological/Philosophical context.

1

人類の叡智が歴史の荒波の中で発酵した結晶と言えるだろう。

It can be said to be the crystal of human wisdom that has fermented amidst the rough seas of history.

Highly literary/philosophical expression.

2

発酵した情念が、狂気へと変貌を遂げる瞬間を描いている。

It depicts the moment when fermented passions undergo a transformation into madness.

Intense psychological description.

3

静寂の中で発酵した思考は、やがて真理へと到達する。

Thoughts fermented in silence will eventually reach the truth.

Abstract philosophical statement.

4

その文体には、数多の古典を読み込み、発酵した深みがある。

That writing style has a depth that comes from having read and 'fermented' numerous classics.

Describing literary maturity.

5

社会の底層で発酵した怒りが、革命の導火線となった。

The anger that fermented at the bottom of society became the fuse for the revolution.

Historical/Political metaphor.

6

発酵した時間は、単なる経過ではなく、質的な変化を意味する。

'Fermented' time is not mere passing, but implies qualitative change.

Ontological discussion of time.

7

微生物と人間が共生し、発酵した文化を育んできた経緯を辿る。

Trace the process by which microorganisms and humans have coexisted and nurtured a 'fermented' culture.

Anthropological/Scientific synthesis.

8

言葉が沈黙の中で発酵したとき、詩が生まれる。

When words ferment in silence, poetry is born.

Poetic/Aesthetic theory.

동의어

熟成した 醸造された 醸された 酸えた 熟した 漬かった こなれた 酵母が働いた

반의어

腐敗した 腐った 新鮮な 未発酵の

자주 쓰는 조합

発酵した生地
発酵した食品
十分に発酵した
自然に発酵した
発酵したエキス
一晩発酵した
低温で発酵した
発酵した大豆
完全に発酵した
発酵した後の

자주 쓰는 구문

発酵した味がする

— It tastes fermented. Used to describe the tangy, complex flavor of fermented goods.

このチーズは独特の発酵した味がする。

発酵した匂いが漂う

— A fermented smell is in the air. Often used for breweries or kitchens.

蔵の中に発酵した匂いが漂っている。

発酵したお茶

— Fermented tea. Refers to black tea or oolong tea as opposed to green tea.

紅茶は発酵したお茶の一種です。

発酵した乳

— Fermented milk. A technical or descriptive term for yogurt-like drinks.

発酵した乳を使った飲料を飲む。

発酵した米

— Fermented rice. The basis for sake and rice vinegar.

発酵した米の甘みが感じられる。

発酵した肥料

— Fermented fertilizer. Organic compost used in farming.

発酵した肥料は植物に優しい。

発酵した豆

— Fermented beans. Usually refers to natto or fermented black beans.

発酵した豆は栄養が豊富だ。

発酵した果汁

— Fermented fruit juice. The starting point for cider or wine.

発酵した果汁からお酒を作る。

発酵した野菜

— Fermented vegetables. Refers to pickles like sauerkraut or kimchi.

発酵した野菜を食事に添える。

発酵したバター

— Fermented butter (cultured butter). Known for its superior flavor.

発酵したバターでお菓子を焼く。

자주 혼동되는 단어

発酵した vs 腐った (Kusatta)

Kusatta is negative (spoiled/rotten). Hakkō shita is positive (fermented/useful).

発酵した vs 熟成した (Jukusei shita)

Jukusei is 'aged' (focus on flavor). Hakkō is 'fermented' (focus on microbes).

発酵した vs 熟した (Jukushita)

Jukushita is for ripe fruit. Hakkō shita is for microbial change.

관용어 및 표현

"考えが発酵する"

— For an idea to mature or brew over time. Similar to 'letting an idea simmer'.

一晩寝かせて、考えが発酵するのを待つ。

Metaphorical
"不満が発酵する"

— For dissatisfaction to build up and grow more intense over time.

長年の不満が発酵して爆発した。

Metaphorical
"情熱が発酵する"

— For passion to deepen and become more complex through experience.

彼の芸への情熱は、長い年月を経て発酵した。

Literary
"文化が発酵する"

— For a culture to develop unique characteristics through the mixing of influences.

この街では多様な文化が発酵している。

Sociological
"疑惑が発酵する"

— For suspicion to grow and fester in one's mind.

小さな嘘から疑惑が発酵し始めた。

Literary
"才能が発酵する"

— For talent to mature and reach its full potential.

下積み時代に彼の才能は発酵した。

Metaphorical
"言葉が発酵する"

— For words to take on deeper meaning after being reflected upon.

沈黙の中で言葉が発酵するのを待つ。

Poetic
"歴史が発酵する"

— For historical events to gain significance as they are processed by time.

この地には歴史が発酵した重みがある。

Literary
"愛が発酵する"

— For love to grow deeper and more stable over many years.

老夫婦の愛は、長い時間をかけて発酵した。

Poetic
"混乱が発酵する"

— For a state of confusion to lead to a new creative breakthrough.

混乱が発酵して、新しい秩序が生まれた。

Philosophical

혼동하기 쉬운

発酵した vs 醸造 (Jōzō)

Both involve fermentation.

Jōzō is the industrial/craft process of brewing liquids. Hakkō is the biological process itself.

この醤油は醸造所で発酵した。

発酵した vs 腐敗 (Fuhai)

Both involve decomposition by microbes.

Fuhai is harmful/smelly putrefaction. Hakkō is beneficial/edible fermentation.

これは発酵であって、腐敗ではない。

発酵した vs 酸化 (Sanka)

Both are chemical changes in food.

Sanka is oxidation (often makes food stale/brown). Hakkō is microbial conversion.

ワインが酸化するのと発酵するのは違う。

発酵した vs 酵素 (Kōso)

Enzymes are involved in fermentation.

Kōso is the enzyme (the tool). Hakkō is the process (the result).

酵素の働きで発酵した。

発酵した vs 熟成 (Jukusei)

Both imply waiting for flavor to improve.

Jukusei can happen without microbes (like meat aging). Hakkō requires microbes.

発酵した後に、さらに熟成させる。

문장 패턴

A1

これは [発酵した] [Noun] です。

これは発酵したお茶です。

A2

[発酵した] [Noun] は [Adjective] です。

発酵した野菜は酸っぱいです。

B1

[Noun] を [Duration] 発酵した。

味噌を三年間発酵した。

B1

[発酵した] ことで [Result]。

発酵したことで味が深まった。

B2

[Agent] によって [発酵した] [Noun]。

乳酸菌によって発酵したミルク。

B2

[Method] で [発酵した] [Noun]。

低温でゆっくり発酵したパン。

C1

[Metaphorical Noun] が [発酵した] [Noun]。

アイディアが発酵した結果。

C2

[Abstract Concept] の中で [発酵した] [Noun]。

沈黙の中で発酵した言葉。

어휘 가족

명사

発酵 (Hakkō - Fermentation)
発酵学 (Hakkō-gaku - Zymology/Study of fermentation)
発酵食品 (Hakkō shokuhin - Fermented food)
発酵菌 (Hakkō-kin - Fermentation bacteria/yeast)

동사

発酵する (Hakkō suru - To ferment/intransitive & transitive usage)
発酵させる (Hakkō saseru - To cause to ferment/make ferment)

형용사

発酵した (Hakkō shita - Fermented/past-tense adjective)
発酵性の (Hakkō-sei no - Fermentable)

관련

酵母 (Kōbo - Yeast)
麹 (Kōji - Koji mold)
酵素 (Kōso - Enzyme)
乳酸菌 (Nyūsan-kin - Lactic acid bacteria)
醸造 (Jōzō - Brewing)

사용법

frequency

Very high in food, health, and agricultural contexts.

자주 하는 실수
  • Using 'hakkō na' instead of 'hakkō shita'. 発酵した食品

    Hakkō is a noun/verb, not a na-adjective. You must use the past tense 'shita' to modify a noun.

  • Saying 'hakkō shita' for rotten meat. 腐った肉

    Fermentation is positive/intentional. Rotting is negative/accidental. Don't confuse the two!

  • Forgetting the long 'o' in hakkō. hakkō (long)

    If you say 'hako', it means 'box'. The long 'o' is essential for meaning.

  • Using 'hakkō shita' for a ripe banana. 熟したバナナ

    Fruit ripening is 'jukushita'. Fermentation is a different biological process.

  • Confusing 'hakkō' (fermentation) with 'hakkō' (publication). Context dependent

    They sound the same but have different kanji (発行 vs 発酵). Context usually makes it clear.

Use as a modifier

Remember that 'hakkō shita' acts like an adjective before a noun. You don't need 'no' or 'na' between them.

Health Buzzword

If you see '発酵' on a menu, it's a signal that the food is healthy, natural, and likely contains probiotics.

Check the Radical

The left side of 酵 is 酉 (sake bottle). This helps you remember it's about fermentation and alcohol.

Mind the Pause

The double 'k' in ha-k-kō is vital. Practice saying 'ha' then a tiny stop before 'kō'.

Complimenting Food

Saying 'Hakkō no fukami ga arimasu ne' (It has a depth of fermentation) is a high-level compliment for miso or sake.

Dough vs. Product

Use 'hakkō shita kiji' for dough that has risen, but 'hakkō shokuhin' for the final product like cheese.

Kanji Recognition

Even if you can't write it, recognizing 発酵 on labels will help you shop for healthy food in Japan.

Hakkō vs. Jukusei

Use Hakkō for the 'how' (microbes) and Jukusei for the 'how long' (flavor maturation).

Lactic Acid

You'll often see '乳酸菌で発酵した' (fermented with lactic acid bacteria) on yogurt products.

The 'Start' Kanji

The first kanji 発 (hatsu) means 'to start'. Think of fermentation as the 'start' of a new flavor.

암기하기

기억법

Imagine a 'Hat' (発) on a 'Co' (酵 - sounds like 'ko') bottle of sake. The hat pops off because the sake has 'hakkō shita' (fermented) and created gas!

시각적 연상

Picture a bowl of bubbling miso soup or a jar of rising bread dough. Both are 'hakkō shita'.

Word Web

Miso Natto Yogurt Sake Cheese Bread Kimchi Bacteria

챌린지

Try to find three items in your fridge that are 'hakkō shita' and say their names in Japanese followed by 'hakkō shita'.

어원

Comes from the Sinitic compound '発' (hatsu - to arise/emit) and '酵' (kō - yeast/fermentation).

원래 의미: The process where yeast causes a substance to rise or change.

Sino-Japanese (Kango).

문화적 맥락

Be careful not to describe the smell of fermented foods as 'stinky' (kusai) in a rude way; use 'kaori' (aroma) or 'dokutoku na nioi' (unique smell) instead.

In the West, 'fermented' was once associated mostly with beer or spoiled food, but is now a trendy health term (kombucha, sourdough).

The manga/anime 'Moyashimon' (Tales of Agriculture) focuses entirely on fermentation and microbes. The 'Hakkō Department' in Shimokitazawa, Tokyo, is a famous shop dedicated to fermented products. UNESCO recognized 'Washoku' (Japanese cuisine), where fermentation plays a central role.

실생활에서 연습하기

실제 사용 상황

At a Bakery

  • これは天然酵母で発酵したパンですか?
  • 生地がしっかり発酵していますね。
  • 発酵したバターの香りがいいです。
  • 二次発酵は終わりましたか?

Talking about Health

  • 発酵した食品は腸にいいですよ。
  • 毎日、発酵したものを食べるようにしています。
  • 納豆は発酵した大豆です。
  • 発酵したエキスが健康の秘訣です。

At a Sake Brewery

  • これはどのくらい発酵したお酒ですか?
  • 発酵した香りが漂っています。
  • お米が発酵する工程を見たいです。
  • 発酵した後の絞りかすが酒粕です。

Cooking Class

  • 生地が二倍になるまで発酵したか確認してください。
  • 低温でゆっくり発酵した方が美味しいです。
  • 発酵した野菜で漬物を作ります。
  • 発酵した味が強すぎないように注意します。

Scientific Discussion

  • 微生物によって発酵した物質の分析。
  • 酸素がない状態で発酵した。
  • 発酵した結果、アルコールが生成された。
  • 発酵した堆肥の成分。

대화 시작하기

"発酵した食べ物の中で、何が一番好きですか? (What's your favorite fermented food?)"

"最近、発酵した食品が健康にいいと聞きました。 (I heard recently that fermented foods are good for health.)"

"自分で何かを発酵させたことはありますか? (Have you ever fermented something yourself?)"

"この味噌、すごくよく発酵した味がしますね。 (This miso has a very well-fermented taste, doesn't it?)"

"納豆のような発酵した匂いは大丈夫ですか? (Are you okay with fermented smells like natto?)"

일기 주제

今日食べた発酵した食品について書いてみましょう。 (Write about the fermented foods you ate today.)

なぜ発酵した食品は日本で人気があると思いますか? (Why do you think fermented foods are popular in Japan?)

あなたが一番好きな「発酵した味」を詳しく説明してください。 (Explain your favorite 'fermented taste' in detail.)

もし自分で何かを発酵させるとしたら、何を作りたいですか? (If you were to ferment something yourself, what would you want to make?)

健康のために発酵した食品を食べる習慣についてどう思いますか? (What do you think about the habit of eating fermented foods for health?)

자주 묻는 질문

10 질문

Mostly, yes. In daily life, it's 90% about food or health. However, it can also be used for compost, biofuels, or metaphorically for ideas 'brewing'.

No. Use 'kusatta' or 'fuhai shita'. 'Hakkō shita' implies the milk was turned into something good like yogurt or cheese on purpose.

'Hakkō shita' means it has finished fermenting or is in a fermented state. 'Hakkō shite iru' means it is currently in the process of fermenting.

The concept is basic, but the kanji '酵' is considered advanced (Level 1). Everyone knows the word by sound.

The most common way is 'hakkō shokuhin' (発酵食品). You can also say 'hakkō shita tabemono'.

Yes, natto is the most famous example of 'hakkō shita daizu' (fermented soybeans) in Japan.

Yes, but '熟成した' (aged) is more common when talking about the quality and '醸造された' (brewed) for the production.

It's a slang term for a woman who is beautiful because she eats many fermented foods, which is good for skin and health.

Yes, the dough (kiji) must be 'hakkō shita' for the bread to rise. Bread made this way is 'hakkō-pan'.

It is usually 'hakkō' or 'hakkoo' to show the long 'o'. 'Hakkou' is also common.

셀프 테스트 200 질문

writing

Write a sentence using 'hakkō shita' to describe your favorite food.

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Translate: 'This bread is made from fermented dough.'

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Explain why fermented food is good for health in Japanese.

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Write a metaphorical sentence about an idea fermenting.

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Describe the smell of a brewery using 'hakkō shita'.

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Write a sentence about miso fermented for 5 years.

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Translate: 'I like fermented butter.'

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Use 'hakkō shita' and 'kenkō' in one sentence.

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Describe the state of bread dough after rising.

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Translate: 'Fermented extract is in this lotion.'

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Write about kimchi using 'hakkō shita'.

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Translate: 'Is this naturally fermented?'

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Write a sentence about fermented tea.

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Describe fermented fertilizer usage.

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Translate: 'The fermentation process has finished.'

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Write a child-friendly sentence about fermentation.

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Use 'hakkō shita' in a formal business context.

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Translate: 'Fermented soybeans are called natto.'

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Write about the umami of fermented food.

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Translate: 'His talent fermented during his youth.'

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
speaking

Pronounce 'Hakkō shita' correctly, focusing on the long 'o'.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Say 'I like fermented foods' in Japanese.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Explain to a friend that yogurt is fermented milk.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Describe the state of bread dough you just made.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Tell a waiter you like the taste of well-fermented miso.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Ask if a specific tea is fermented.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Explain the health benefits of fermented food briefly.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Roleplay: You are a baker. Tell a customer the bread is special because of the fermentation.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Use 'hakkō shita' metaphorically in a sentence about an idea.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Describe the smell of natto using 'hakkō shita'.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Say 'Fermented butter smells great.'

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Ask how many years a miso has been fermented.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Tell someone that kimchi is a fermented vegetable.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Describe fermented fertilizer to a fellow gardener.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Say 'I am used to the taste of fermented beans.'

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Use 'hakkō itashimashita' in a formal presentation about food.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Say 'Fermentation increases umami.'

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Explain the difference between fermented and rotten simply.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Ask a shopkeeper for 'fermented butter'.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Say 'A fermented culture is interesting.'

Read this aloud:

정답! 아쉬워요. 정답:
listening

Listen to the phrase: 'Hakkō shita tabemono'. What does it mean?

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
listening

Listen: 'Kiji ga hakkō shita'. What happened to the dough?

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
listening

Listen: 'Miso ga hakkō shite iru'. Is it finished fermenting?

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
listening

Listen: 'Hakkō shita nioi ga suru'. What do they smell?

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
listening

Listen: 'Kore wa hakkō shita ocha desu ka?'. What are they asking?

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
listening

Listen: 'Hakkō shita butter wo tsukaimasu'. What ingredient are they using?

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
listening

Listen: 'Sannen hakkō shita miso'. How long was the miso fermented?

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
listening

Listen: 'Hakkō shita shokuhin wa kenkō ni ii'. Why eat fermented food?

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
listening

Listen: 'Shizen hakkō shita sake'. How was the sake fermented?

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
listening

Listen: 'Hakkō shita kekka, umami ga mashi-ta'. What was the result?

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
listening

Listen: 'Hakkō shita daizu'. What is the ingredient?

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
listening

Listen: 'Teion de hakkō shita pan'. How was the bread fermented?

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
listening

Listen: 'Hakkō shita ekisu no kōka'. What are they discussing?

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
listening

Listen: 'Kare no aidea ga hakkō shita'. Is this literal or metaphorical?

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
listening

Listen: 'Hakkō shita yasai no tsukemono'. What kind of pickles are they?

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:

/ 200 correct

Perfect score!

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