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A2 noun 5分で読める

防腐剂

fang fu ji

練習する例文メモとヒント 防腐剂 30秒で

解説 防腐剂 in your Level:

At the A1 level, you don't need to use '防腐剂' in complex sentences. Just recognize it as a word for something in food that makes it last longer. Think of it as 'food medicine.' You might see it on a label in a shop. It is a noun. It is pronounced 'fang-foo-jee.' You can remember it by thinking of 'prevent' (防) and 'bad food' (腐). If you see '无防腐剂' (wú fángfǔjì), it means 'No preservatives.' This is a good phrase to know when buying healthy snacks. You can use it simply: '这是防腐剂' (This is a preservative). Don't worry about the chemical names yet, just focus on the basic meaning of keeping food from going bad.

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At the A2 level, you should be able to use '防腐剂' in basic daily life situations, especially when shopping or talking about food. You can use it with verbs like '有' (have) or '没有' (not have). For example, '这个果汁没有防腐剂' (This juice has no preservatives). You should also recognize the character '防' from other words like '防水' (waterproof). This level involves understanding that people in China are very interested in 'healthy' (健康) food, so '防腐剂' is a word you will hear in commercials and see on packaging. You might also start to see it in simple warnings, like '不要摄入过多的防腐剂' (Don't consume too many preservatives).

At the B1 level, you can use '防腐剂' to discuss health, environment, and food safety. You should be able to form more complex sentences using '因为...所以...' (Because... therefore...). For example, '因为这种食品含有防腐剂，所以它的保质期很长' (Because this food contains preservatives, its shelf life is very long). You can also use it in the context of skincare and cosmetics. You should understand the difference between '天然' (natural) and '人工' (artificial) preservatives. This is a common topic in intermediate Chinese listening exams. You should also be comfortable with the measure word '种' (type/kind), as in '这种防腐剂' (this kind of preservative).

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At the B2 level, you are expected to use '防腐剂' in formal discussions or written essays about the food industry or public health. You should know collocations like '超标' (exceed the limit), '违规' (violate regulations), and '副作用' (side effects). You might say, '政府应该严格控制食品中防腐剂的使用量' (The government should strictly control the amount of preservatives used in food). You can also discuss the chemistry behind it, using words like '微生物' (microorganism) and '抑制' (inhibit). At this level, you should be able to read news articles about food safety scandals where '防腐剂' is a key term. You can also use it metaphorically in literature, though that is rare.

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At the C1 level, you should have a nuanced understanding of '防腐剂' within the legal and scientific framework of China. You can discuss the 'GB standards' (National Standards) for food additives. You should be able to articulate the trade-offs between food waste reduction and chemical exposure. Your vocabulary should include specific types of preservatives if necessary for a professional context, and you should be able to debate the ethics of labeling. For example, '虽然防腐剂能有效防止食品变质，但其对人体肠道菌群的长远影响仍需深入研究' (Although preservatives effectively prevent food spoilage, their long-term impact on the human gut microbiota still requires in-depth study).

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At the C2 level, you command '防腐剂' in highly specialized contexts, such as biochemistry, food science, or high-level policy-making. You can discuss the molecular mechanisms by which different '防腐剂' function, such as changing the pH of a medium or disrupting cell membranes. You can use the term in academic writing with absolute precision. You might also explore the historical etymology of the characters in depth, linking '腐' to ancient food storage practices. You are capable of translating technical documents regarding international trade and food safety regulations between English and Chinese, ensuring that terms like 'preservative,' 'antioxidant,' and 'antimicrobial' are correctly distinguished from '防腐剂' in a professional setting.

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練習する例文メモとヒント

防腐剂 30秒で

防腐剂 means 'preservative' and is used to prevent rot in food and cosmetics.
It is a common sight on food labels, often preceded by '无' (no).
The word combines 'prevent' (防), 'rot' (腐), and 'agent' (剂).
Essential for discussing health, food safety, and product ingredients in Chinese.

The Chinese term 防腐剂 (fángfǔjì) is a compound noun that translates directly to 'preservative' in English. To understand its essence, we must look at the three characters that form it. The first character, 防 (fáng), means to prevent, guard against, or protect. The second character, 腐 (fǔ), refers to rot, decay, or decomposition. The third character, 剂 (jì), denotes a chemical agent, a dose, or a medicinal preparation. Together, they describe a substance used specifically to prevent decay.

Food Industry Usage: In the context of the food industry, 防腐剂 refers to additives like sodium benzoate or potassium sorbate that extend shelf life by inhibiting microbial growth. When you shop at a Chinese supermarket like Lianhua or Wumart, you will frequently see the phrase '不含防腐剂' (bù hán fángfǔjì), meaning 'contains no preservatives,' which is a major selling point for health-conscious consumers.

这种面包为了保鲜，添加了少量的防腐剂。 (This bread has a small amount of preservatives added to keep it fresh.)

Cosmetics and Skincare: In the beauty world, particularly within the 'C-Beauty' (Chinese Beauty) trend, there is a significant movement toward 'preservative-free' products. Consumers often discuss whether parabens (对羟基苯甲酸酯) are used as 防腐剂 in their lotions and serums, reflecting a growing awareness of chemical sensitivities.

Beyond food and beauty, you might encounter this word in construction (wood preservatives) or medicine. It is a vital term for anyone navigating daily life, health discussions, or industrial topics in a Chinese-speaking environment. Understanding this word helps you decode ingredient labels and engage in conversations about health and safety.

长期摄入过多的防腐剂可能对健康不利。 (Long-term intake of too many preservatives might be harmful to health.)

Using 防腐剂 (fángfǔjì) correctly requires understanding its role as a noun. It usually functions as the object of a verb or as part of a compound noun phrase. Common verbs used with it include 添加 (tiānjiā - to add), 含有 (hányǒu - to contain), and 使用 (shǐyòng - to use).

Common Grammatical Patterns: The most frequent pattern is [Subject] + [Verb] + 防腐剂. For example: '这个罐头没有添加防腐剂' (This canned food has no added preservatives). Another common structure is [Noun] + 防腐剂, where it acts as a modifier, such as '食品防腐剂' (food preservative) or '木材防腐剂' (wood preservative).

为了延长保质期，厂家在食品中加入了防腐剂。 (To extend the shelf life, the manufacturer added preservatives to the food.)

When discussing health or personal preferences, you might use the preposition 对 (duì - toward/regarding). For instance, '我对防腐剂过敏' (I am allergic to preservatives). In a more formal or scientific context, you might discuss the 种类 (zhǒnglèi - types) or 浓度 (nóngdù - concentration) of 防腐剂.

In daily conversation, if you are asking a waiter about a dish, you might ask: '这个菜里有防腐剂吗？' (Are there preservatives in this dish?). While unlikely in a fresh restaurant setting, it is a common question for packaged snacks or drinks.

You will encounter 防腐剂 (fángfǔjì) in several distinct environments in China, each with its own nuance.

1. The Supermarket: This is the most common place. Labels on milk, juice, and bread often highlight '零添加' (zero additives) or '无防腐剂' (no preservatives). Salespeople might use this as a selling point: '我们的果汁是鲜榨的，绝对不含防腐剂' (Our juice is freshly squeezed, definitely no preservatives).

2. News and Social Media: On platforms like WeChat or Xiaohongshu (RED), health bloggers frequently discuss '科技与狠活' (science and hard work) — a viral slang term referring to excessive food additives and preservatives. You'll hear experts debating the safety of certain chemical compounds in everyday snacks.

新闻报道了某些厂家违规超标使用防腐剂。 (News reported that some manufacturers used preservatives exceeding the legal limit.)

3. Beauty and Pharmacy: In a pharmacy (药店) or cosmetics store, you might hear consultants talking about '防腐技术' (preservation technology) for sensitive skin products. They might explain that the product uses vacuum packaging instead of chemical 防腐剂.

Learners often make a few specific errors when using 防腐剂 (fángfǔjì). The most frequent is confusing it with the general term for additives.

Mistake 1: Additive vs. Preservative: Many students use '添加剂' (tiānjiājì - additive) when they specifically mean '防腐剂'. While a preservative is a type of additive, not all additives (like colors or flavors) are preservatives. If you want to talk specifically about shelf life, use 防腐剂.

错误: 这个面包里有很多防腐。 (Incorrect: This bread has a lot of 'prevent rot'.)
正确: 这个面包里有很多防腐剂。 (Correct: This bread has a lot of preservatives.)

Mistake 2: Using the wrong verb: Learners sometimes say '放防腐剂' (put preservatives). While understandable, '添加' (add) or '加入' (input) are much more natural in both speech and writing when referring to manufacturing processes.

To enrich your vocabulary, it's helpful to compare 防腐剂 (fángfǔjì) with related terms.

添加剂 (tiānjiājì): This is the umbrella term for all 'additives'. It includes preservatives, colorants (色素), and sweeteners (甜味剂). Use this when speaking generally about processed foods.
保鲜剂 (bǎoxiānjì): Literally 'fresh-keeping agent.' While similar to a preservative, this term is often used for things like the small silica gel packets in snack bags or sprays used on fruit to keep them looking fresh, rather than chemicals mixed into the food itself.
消毒剂 (xiāodújì): Disinfectant. This is used for cleaning surfaces or wounds. While both deal with bacteria, 防腐剂 is for maintenance and 消毒剂 is for immediate killing of germs.

比起化学防腐剂，我更喜欢用食盐作为天然的保鲜手段。 (Compared to chemical preservatives, I prefer using salt as a natural means of keeping things fresh.)

How Formal Is It?

豆知識

The character '腐' (rot) shows 'meat' (肉) inside a 'storehouse' (府), implying that even stored food can go bad if not protected.

発音ガイド

UK fáŋ fǔ tɕî

US fáŋ fǔ tɕî

Emphasis is usually slightly stronger on the first syllable '防' and the last syllable '剂'.

韻が合う語

忙 (máng) 糖 (táng) 虎 (hǔ) 古 (gǔ) 气 (qì) 地 (dì) 记 (jì) 细 (xì)

よくある間違い

Pronouncing 'fǔ' as 'fù' (4th tone) instead of 3rd tone.
Confusing the 'j' sound in 'jì' with the 'z' sound.
Mispronouncing 'fáng' with a low tone instead of a rising tone.
Merging the three syllables into two.
Failing to distinguish 'fǔ' from 'fú'.

難易度

読解 3/5

Characters are somewhat complex but common in daily life.

ライティング 4/5

The character '腐' has many strokes and is hard to write from memory.

スピーキング 2/5

Pronunciation is straightforward if tones are mastered.

リスニング 3/5

Easy to recognize in context of food or health.

次に学ぶべきこと

前提知識

食物防止坏了添加健康

次に学ぶ

添加剂保质期成分表有机色素

上級

苯甲酸钠微生物发酵抗氧化毒理学

知っておくべき文法

Resultative Complements

防腐剂把细菌杀死了。

Noun Modifiers with '的'

不含防腐剂的饮料。

Directional Complements

厂家往里面加入了防腐剂。

Passive '被' Construction

食品被添加了过量的防腐剂。

Emphasis with '是...的'

这种防腐剂是天然的。

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レベル別の例文

这是防腐剂。

This is a preservative.

Simple Subject + Verb + Object structure.

面包里有防腐剂吗？

Are there preservatives in the bread?

Question particle '吗' used with a noun.

我不喜欢防腐剂。

I don't like preservatives.

Negative '不' before the verb '喜欢'.

这个没有防腐剂。

This one has no preservatives.

Negative '没有' used to show absence.

防腐剂不好。

Preservatives are not good.

Adjective '好' with '不' to describe a noun.

很多食品有防腐剂。

Many foods have preservatives.

Quantifier '很多' modifying the subject.

这是什么防腐剂？

What preservative is this?

Question word '什么' used as a modifier.

我们要买无防腐剂的。

We want to buy the ones without preservatives.

Noun phrase ending in '的'.

这种牛奶不含防腐剂。

This kind of milk contains no preservatives.

Formal verb '含' (contain) with negation.

为了保鲜，他们加了防腐剂。

To keep it fresh, they added preservatives.

Purpose clause '为了...'.

你应该少吃有防腐剂的食物。

You should eat less food that has preservatives.

Modal verb '应该' and '少' + verb.

这个罐头的防腐剂太多了。

This canned food has too many preservatives.

Structure '...太...了'.

买东西要看有没有防腐剂。

When buying things, you should see if there are preservatives.

Verb-no-verb question '有没有'.

天然防腐剂比化学的好。

Natural preservatives are better than chemical ones.

Comparison using '比'.

这种防腐剂是安全的。

This kind of preservative is safe.

Noun phrase as subject.

药里也有防腐剂吗？

Is there preservative in the medicine too?

Adverb '也' (also) in a question.

虽然防腐剂可以延长保质期，但很多人不喜欢它。

Although preservatives can extend shelf life, many people don't like them.

Conjunction '虽然...但...'.

这种饮料声称不添加任何防腐剂。

This drink claims not to add any preservatives.

Verb '声称' (claim) followed by a clause.

我们要研究如何减少防腐剂的使用。

We need to research how to reduce the use of preservatives.

Interrogative '如何' in an object clause.

由于添加了防腐剂，这些水果看起来很新鲜。

Because preservatives were added, these fruits look very fresh.

Cause and effect with '由于'.

我担心防腐剂对孩子的健康有影响。

I am worried that preservatives have an impact on children's health.

Verb '担心' followed by a concern.

除了防腐剂，这里面还有很多色素。

Besides preservatives, there are also many colorants in here.

Structure '除了...还有...'.

并不是所有的防腐剂都是有害的。

Not all preservatives are harmful.

Partial negation '并不是所有的'.

这种化妆品使用了天然防腐剂。

This cosmetic uses natural preservatives.

Specific noun '化妆品' (cosmetics).

由于防腐剂超标，这批食品被退回了。

Due to excessive preservatives, this batch of food was returned.

Passive voice '被' and technical term '超标'.

长期大量摄入防腐剂可能会导致慢性疾病。

Long-term excessive intake of preservatives may lead to chronic diseases.

Complex subject with '摄入' (intake).

厂家必须在包装上注明所使用的防腐剂种类。

Manufacturers must specify the types of preservatives used on the packaging.

Modal '必须' and verb '注明' (specify).

这种新型防腐剂能有效抑制霉菌的生长。

This new type of preservative can effectively inhibit the growth of mold.

Adverb '有效' modifying '抑制'.

消费者对防腐剂的抗拒促使了食品工业的改革。

Consumer resistance to preservatives has prompted reforms in the food industry.

Subject as a complex noun phrase with '对...的'.

在没有防腐剂的情况下，食物很快就会腐烂。

In the absence of preservatives, food will rot very quickly.

Condition '在...的情况下'.

这种防腐剂的化学性质非常稳定。

The chemical properties of this preservative are very stable.

Technical noun '化学性质'.

我们需要权衡防腐剂的利与弊。

We need to weigh the pros and cons of preservatives.

Idiomatic expression '利与弊'.

该法规严格限制了婴幼儿食品中防腐剂的添加量。

The regulation strictly limits the amount of preservatives added to infant food.

Formal pronoun '该' and verb '限制'.

某些防腐剂在高温下可能会产生有毒物质。

Certain preservatives may produce toxic substances under high temperatures.

Condition '在...下' with potential '可能会'.

专家指出，过度依赖防腐剂会掩盖食品本身的不新鲜。

Experts point out that over-reliance on preservatives can mask the staleness of the food itself.

Verb '掩盖' (mask/cover up).

这种防腐剂通过干扰细菌的代谢过程来起作用。

This preservative works by interfering with the metabolic processes of bacteria.

Method '通过...来...'.

尽管有安全标准，但防腐剂的累积效应仍令人担忧。

Despite safety standards, the cumulative effect of preservatives is still worrying.

Conjunction '尽管...但...' and '累积效应'.

该研究探讨了植物提取物作为防腐剂替代品的可能性。

The study explored the possibility of plant extracts as alternatives to preservatives.

Verb '探讨' and '作为...替代品'.

防腐剂的使用是现代供应链中不可或缺的一环。

The use of preservatives is an indispensable part of the modern supply chain.

Idiomatic '不可或缺'.

民众对防腐剂的恐慌往往源于对科学常识的缺乏。

Public panic over preservatives often stems from a lack of scientific common sense.

Verb '源于' (stem from).

防腐剂的广泛应用从根本上改变了全球食品分配的格局。

The widespread application of preservatives has fundamentally changed the pattern of global food distribution.

Adverbial '从根本上' and noun '格局'.

生物防腐剂如乳酸链球菌素，正逐渐取代传统的化学合成剂。

Biological preservatives, such as nisin, are gradually replacing traditional chemical synthetics.

Specific chemical terminology and '取代'.

我们必须在防腐剂的抗菌效能与毒理学安全性之间寻求平衡。

We must seek a balance between the antimicrobial efficacy and toxicological safety of preservatives.

Technical terms '抗菌效能' and '毒理学'.

该论文深入分析了防腐剂在木材保护中的渗透机制。

The paper provides an in-depth analysis of the penetration mechanism of preservatives in wood protection.

Academic verb '分析' and '渗透机制'.

防腐剂的研发已转向更加精准、低毒且具有生物降解性的方向。

The research and development of preservatives have shifted toward more precise, low-toxicity, and biodegradable directions.

Complex list of adjectives.

法律框架必须随着防腐剂检测技术的进步而不断完善。

The legal framework must be continuously improved with the progress of preservative detection technology.

Structure '随着...而...'.

在极端环境下，传统防腐剂的稳定性面临巨大挑战。

In extreme environments, the stability of traditional preservatives faces enormous challenges.

Verb '面临' and noun '挑战'.

该物质虽非严格意义上的防腐剂，却发挥了类似的抗氧化作用。

Although the substance is not a preservative in the strict sense, it plays a similar antioxidant role.

Conjunction '虽...却...' and '严格意义上'.

類義語

添加剂保鲜剂杀菌剂抗氧化剂稳定剂固色剂防腐抑制剂

反対語

催化剂天然食品有机变质剂

よく使う組み合わせ

添加防腐剂

不含防腐剂

化学防腐剂

天然防腐剂

防腐剂超标

食品防腐剂

木材防腐剂

加入防腐剂

防腐剂含量

过量防腐剂

よく使うフレーズ

零添加

— Zero additives, often implying no preservatives.

这款酸奶主打零添加。

保质期

— Shelf life; the period a product lasts due to preservatives.

防腐剂能延长保质期。

食品安全

— Food safety; the context where preservatives are discussed.

食品安全是大家最关心的。

科技与狠活

— Internet slang for excessive chemical additives.

全是科技与狠活，防腐剂太多了。

甲醛

— Formaldehyde, a dangerous preservative.

有些劣质产品里含有甲醛。

苯甲酸钠

— Sodium benzoate, a common food preservative.

标签上写着含有苯甲酸钠。

山梨酸钾

— Potassium sorbate, another common preservative.

山梨酸钾是一种常用的防腐剂。

防腐处理

— Anti-corrosion treatment.

户外家具需要防腐处理。

人工合成

— Man-made/synthetic.

这种防腐剂是人工合成的。

敏感肌

— Sensitive skin, often avoiding preservatives.

敏感肌要选不含防腐剂的护肤品。

よく混同される語

防腐剂 vs 添加剂

Additive is the general category; preservative is a specific type.

防腐剂 vs 保鲜剂

Fresh-keeping agents often refer to external methods or packets, not just mixed chemicals.

防腐剂 vs 消毒剂

Disinfectants kill germs on surfaces; preservatives stop them from growing in products.

慣用句と表現

"陈腐不堪"

— Outdated and rotten; uses '腐' in a metaphorical sense.

他的思想陈腐不堪。

Literary

"防患未然"

— To prevent trouble before it happens; uses '防'.

我们要防患未然，做好准备。

Formal

"流水不腐"

— Running water never goes stale; uses '腐'.

流水不腐，户枢不蠹。

Proverb

"对症下药"

— To apply the right medicine; uses '药/剂' concept.

找到问题所在，才能对症下药。

Common

"腐败无能"

— Corrupt and incompetent; uses '腐' as corruption.

那个政府腐败无能。

Political

"防微杜渐"

— Nip in the bud; uses '防'.

我们要防微杜渐，防止错误扩大。

Formal

"化腐朽为神奇"

— Turn something rotten into something magical.

艺术家化腐朽为神奇。

Literary

"摧枯拉朽"

— To smash something rotten; easy victory.

我们的军队摧枯拉朽般取得了胜利。

Literary

"防不胜防"

— Impossible to defend against.

这种骗术让人防不胜防。

Common

"剂量"

— Dosage; related to '剂'.

这种药的剂量要严格控制。

Medical

間違えやすい

防腐剂 vs 防腐

Verb vs Noun

防腐 is the action of preventing rot; 防腐剂 is the chemical itself.

我们需要对木头进行防腐。

防腐剂 vs 色素

Both are additives

色素 changes color; 防腐剂 changes shelf life.

这种糖果有很多色素。

防腐剂 vs 抗氧化剂

Similar function

Antioxidants prevent oxygen damage; preservatives prevent microbial damage.

食用油里有抗氧化剂。

防腐剂 vs 调味料

Both added to food

Seasoning is for taste; preservatives are for preservation.

盐既是调味料也是防腐剂。

防腐剂 vs 杀菌

Related concepts

Sterilization is a one-time kill; preservation is ongoing inhibition.

这种牛奶经过了高温杀菌。

文型パターン

这个[名词]没有防腐剂。

这个苹果没有防腐剂。

为了[目标]，必须添加防腐剂。

为了延长保质期，必须添加防腐剂。

虽然有防腐剂，但是[转折]。

虽然有防腐剂，但是味道很好。

[名词]中防腐剂含量超标。

这批肉类中防腐剂含量超标。

长期食用含有防腐剂的[名词]对[部位]有害。

长期食用含有防腐剂的零食对肠胃有害。

与其使用化学防腐剂，不如[建议]。

与其使用化学防腐剂，不如改进冷链技术。

该物质起到防腐剂的作用。

这种天然提取物起到了防腐剂的作用。

防腐剂的安全性评估是一个复杂的过程。

語族

名詞

防腐剂

腐烂

防御

药剂

腐败

動詞

防腐

腐蚀

防止

预防

腐化

形容詞

防腐的

腐烂的

陈腐的

腐朽的

使い方

frequency

Common in urban areas and health-related discussions.

よくある間違い

Using '防腐' as a noun. → 防腐剂
防腐 is the action/process; 剂 is the actual substance.
Confusing '腐' (rot) with '府' (government). → 防腐剂
They are homophones but have different meanings and characters.
Saying '放防腐剂' in formal writing. → 添加防腐剂
添加 is more precise and professional than the generic '放'.
Thinking all additives are preservatives. → 添加剂 vs 防腐剂
Understand the hierarchy: Preservatives are a subset of additives.
Misplacing the '肉' radical in '腐'. → 腐
The meat radical must be at the bottom, not the side.

ヒント

Break it down

Remember the three parts: Prevent + Rot + Agent. It makes the long word easier to digest.

Healthy Living

Mentioning you avoid preservatives is a common way to talk about a healthy lifestyle in China.

Verb Pairing

Always pair it with '添加' (tiānjiā) or '含有' (hányǒu) for natural-sounding sentences.

Expand

Once you know 防腐剂, learn '添加剂' (additive) to talk about the whole food industry.

Label Hunting

Next time you buy a Chinese snack, look for the '剂' character to find the additives.

Tone Accuracy

The jump from 2nd tone (fáng) to 3rd tone (fǔ) needs practice to sound smooth.

Stroke Order

Pay close attention to the bottom part of '腐'; it is '肉', not '月'.

Professional Use

In business, use '防腐处理' when talking about logistics and storage.

Word Choice

Don't confuse it with '消毒剂' (disinfectant) when cleaning your house!

Keywords

If you hear '保质期' (shelf life), '防腐剂' is likely the reason it's long.

暗記しよう

記憶術

Think of a 'Fang' (shield) protecting 'Fu' (rotten meat) with a 'Ji' (chemical dose).

視覚的連想

Imagine a shield blocking green mold from touching a piece of bread.

Word Web

Food Chemical Safety Label Shelf-life Bacteria Health Natural

チャレンジ

Go to a local Chinese grocery store and find three items that say '不含防腐剂' on the label.

語源

The term is a modern compound. '防' (to guard) + '腐' (to rot) + '剂' (agent). It was likely coined during the modernization of chemistry in the late 19th or early 20th century.

元の意味： A chemical agent used to prevent organic matter from decaying.

Sino-Tibetan (Chinese).

文化的な背景

Be careful not to imply all Chinese food is full of preservatives; it is a sensitive topic regarding national health standards.

In the West, preservatives are also controversial but often accepted as part of industrial efficiency. The 'Clean Label' movement mirrors the Chinese '零添加' trend.

CCTV food safety exposés. Bilibili's 'Tech and Hard Work' videos. National Food Safety Standard GB 2760.

実生活で練習する

実際の使用場面

Grocery Shopping

这个有防腐剂吗？
我想买无防腐剂的。
看成分表。
过保质期了。

Cooking

自己做不放防腐剂。
天然保鲜。
放冰箱里。
很快会坏。

Health Discussion

防腐剂对身体不好。
少吃加工食品。
过敏反应。
健康饮食。

Science Class

化学实验。
抑制细菌。
实验剂量。
观察结果。

Factory Tour

生产线。
添加比例。
质量检测。
出口标准。

会話のきっかけ

"你买食品的时候会看有没有防腐剂吗？"

"你觉得天然防腐剂真的比化学的安全吗？"

"为什么现在的面包放一个星期都不坏？"

"你对护肤品里的防腐剂过敏吗？"

"如果食物不加防腐剂，我们该怎么保存它？"

日記のテーマ

写一写你对现代食品添加剂和防腐剂的看法。

描述一次你发现食品过期的经历。

如果你开一家食品公司，你会如何平衡保质期和健康？

记录你今天吃的东西，看看有多少含有防腐剂。

讨论一下科技进步对食品保存的影响。

よくある質問

10 問

No, some are natural like salt or vinegar. Even chemical ones are safe within legal limits.

You can say '无防腐剂' (wú fángfǔjì) or '不含防腐剂' (bù hán fángfǔjì).

Yes, in the context of embalming fluid, it is also called 防腐剂.

Sodium benzoate (苯甲酸钠) and Potassium sorbate (山梨酸钾) are very common.

Yes, paint and wood treatments use 防腐剂 to prevent mold.

It is a noun. To use it as an adjective, you say '防腐的' (preservative/anti-corrosive).

It is a standard term used in both daily life and scientific papers.

Yes, there is a high level of concern about food safety and additives in urban China.

In a scientific sense, yes, but in daily life, people usually mean chemical additives.

It has '广' on top, '府' inside (but without the bottom part), and '肉' at the bottom.

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