防腐剂

这里的上下文是面包，所以选择“防腐剂”最合适。 (The context here is bread, so 'preservative' is the most suitable choice.)

加工食品通常含有“防腐剂”以延长保质期。 (Processed foods often contain 'preservatives' to extend their shelf life.)

为了健康，很多人喜欢买不含“防腐剂”的食物。 (For health reasons, many people prefer to buy food without 'preservatives'.)

医生通常会建议少吃含有“防腐剂”的食物。 (Doctors usually advise eating less food that contains 'preservatives'.)

新鲜水果和蔬菜通常不含“防腐剂”。 (Fresh fruits and vegetables usually do not contain 'preservatives'.)

“防腐剂”的主要作用是让食物保存更久。 (The main function of 'preservatives' is to make food last longer.)

文章中提到妈妈说“少吃一点会比较好”指的是那些“有些饼干里有防腐剂”的饼干。

文章中提到“新鲜的牛奶没有防腐剂，所以要快点喝完”，隐含了没有防腐剂的食物容易变质。

文章中明确说明“我更喜欢买天然的食物”。

The sentence means 'This bread has no ___, so eat it as soon as possible.' '防腐剂' (preservative) fits best because preservatives extend shelf life.

The sentence means 'Many processed foods contain ___.' '防腐剂' (preservatives) are commonly found in processed foods to prevent spoilage.

The sentence means 'To extend the shelf life, manufacturers add ___ to food.' '防腐剂' (preservatives) are used for this purpose.

The sentence means 'Natural foods usually do not contain ___.' Natural foods are often preferred because they are free from artificial preservatives.

The sentence means 'Some consumers worry that ___ in food might affect health.' Concerns about preservatives are common among health-conscious consumers.

The sentence means 'When buying food, I prefer to choose products without ___.' Many people prefer products without added preservatives.

文章中说“这个面包没有防腐剂，所以要尽快吃完”，表明没有防腐剂是它需要尽快吃完的原因。(The passage says 'This bread has no preservatives, so it should be eaten quickly', indicating that the absence of preservatives is why it needs to be eaten quickly.)

文章中明确指出“为了让果汁保存更长时间，厂家在里面加了一些防腐剂”。(The passage clearly states 'To make the juice last longer, manufacturers added some preservatives to it.')

文章中提到“无防腐剂”，说明它很健康。(The passage mentions 'preservative-free', indicating it is healthy.)

Canned and processed foods often contain preservatives to extend their shelf life. Fresh fruits, freshly baked bread, and homemade salads are generally consumed quickly and don't typically require preservatives.

'不含' (bù hán) means 'does not contain'. Therefore, '不含防腐剂' means 'does not contain preservatives'.

The primary purpose of preservatives is to inhibit the growth of microorganisms and prevent chemical changes that lead to spoilage, thus extending the product's shelf life.

While preservatives keep food safe for longer, many health experts suggest limiting the intake of processed foods that contain them, preferring fresh, whole foods.

Some natural substances, like salt or sugar, have historically been used as natural preservatives. Also, some fruits and vegetables have natural compounds that slow spoilage. However, the term 'preservative' usually refers to added chemicals.

Preservatives are commonly used in cosmetics to prevent the growth of bacteria, fungi, and other microorganisms, which can spoil the product and pose a risk to users.

文章中明确提到“过量摄入防腐剂可能对人体健康造成影响”，所以消费者应该注意其含量。

文章结尾提到“购买新鲜的蔬菜和水果是更好的选择，因为它们通常不含防腐剂。”

文章指出“为了减少防腐剂的摄入，我们可以尝试自己做饭，少吃外面购买的加工食品。”

The sentence discusses extending food shelf life, which is the primary purpose of preservatives (防腐剂).

The context implies a concern about health, and preservatives (防腐剂) are often a subject of such worries in food products.

Organic products often advertise being free from artificial additives, especially preservatives (防腐剂), to appeal to health-conscious consumers.

To reduce chemical intake, choosing foods with fewer preservatives (防腐剂) is a common recommendation.

Just like food, cosmetics also use preservatives (防腐剂) to maintain product integrity and prevent spoilage.

Food labels are required to disclose ingredients like preservatives (防腐剂) for consumer awareness.

盐是最古老的也是最常用的食品防腐剂之一。(Salt is one of the oldest and most commonly used food preservatives.)

配料表会清楚列出食品中含有的所有成分，包括防腐剂。(The ingredient list will clearly list all ingredients contained in the food, including preservatives.)

防腐剂的作用是延长食品的保质期，不含防腐剂的食品通常需要低温保存或尽快食用。(Preservatives extend food shelf life. Foods without preservatives usually need to be refrigerated or consumed quickly.)

并非所有的防腐剂都对人体有害。许多防腐剂在安全剂量下使用是合法的，并且可以帮助防止食物变质和细菌滋生。(Not all preservatives are harmful to the human body. Many preservatives are legal to use within safe doses and can help prevent food spoilage and bacterial growth.)

有些防腐剂，尤其是那些用于腌制或发酵的，确实会影响食品的风味。(Some preservatives, especially those used for curing or fermentation, do affect the flavor of food.)

一些天然物质本身就具有防腐作用，例如蜂蜜、盐和醋，它们在传统上也被用作防腐剂。(Some natural substances themselves have preservative effects, such as honey, salt, and vinegar, which have also traditionally been used as preservatives.)

这句话讨论的是延长食品保质期的物质，防腐剂是正确的选择。

这里表达的是消费者对食品健康的选择，不含防腐剂的果汁更受青睐。

药膏防止伤口感染的功能与“防腐”吻合，指抑制细菌生长。

上下文表明正在寻求化学防腐剂的天然替代品。

这句话指出，即使有防腐剂，不当保存仍会导致食物变质。

防止木材腐烂最直接的方法就是进行防腐处理。

盐、糖和醋都是常见的食品防腐剂，它们通过不同的机制抑制微生物生长。

防腐剂在食品标签上可能以E编码、化学名称或通用名称的形式出现，具体取决于法规和产品。

有研究表明，过量摄入某些防腐剂可能与皮肤过敏、消化不良甚至儿童多动症等健康问题有关。

并非所有防腐剂都对人体健康有害。许多防腐剂在安全剂量范围内使用是合法的，并且对延长食品保质期至关重要。关键在于摄入量和个体差异。

防腐剂可以帮助延长食品的保质期，但不能完全替代冷藏。冷藏是减缓微生物生长和保持食品新鲜的重要方法，两者通常是结合使用的。

“天然防腐剂”和“人工合成防腐剂”在食品安全方面存在区别。虽然两者都旨在延长食品保质期，但它们的来源、化学结构和潜在影响可能不同。消费者有时更偏好天然成分，但人工合成防腐剂在经过严格评估后也被认为是安全的。

文章中提到“随着消费者对健康饮食的关注度日益提高，许多人开始质疑防腐剂的安全性及其对人体健康的潜在影响。”这表明消费者对防腐剂的安全性越来越关注。

文章明确指出“食品科学家需要综合考虑食品的种类、储存条件、微生物特性以及法规要求等多种因素。”

文章明确提到“许多研究正在探索利用天然植物提取物、益生菌发酵等方法作为替代防腐手段。”

文章提到“随着消费者对健康饮食的关注度日益提高，市场对‘无添加’食品的需求也随之增长”，所以选择不使用人工防腐剂是为了满足消费者的需求。

文章明确指出“消费者在选购食品时，应仔细阅读产品配料表，了解其中是否含有防腐剂以及其种类”。

文章将化学防腐剂与物理和生物防腐技术分开讨论，所以添加化学防腐剂不是物理或生物防腐技术。