...加剂使用卫生标准)。这些物质本身不作为食用目的，也不一定有营养价 值。但不包括污染物、残留农药。 1、防腐剂（preservatives)： 是指食品保存和贮藏过程中加入其中的具有抑制或杀灭微生物 作用的一类物质。
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No Preservatives 无防腐剂 ; 不含防腐剂
Wood preservatives 木材防腐剂 ; 木材防腐法 ; 木头防腐剂
No colourings or preservatives 没有色素和防腐剂
Food Preservatives 食品防腐剂
ammoniacal preservatives 含氨防腐剂
ammoniacal wood preservatives 含氨木材防腐剂
Organic Solderability Preservatives 有机保焊剂 ; 有机可焊性保护剂 ; 会由有机可焊性保护层 ; 保护膜
Synthetic Preservatives 合成防腐剂
Rubber preservatives 橡胶防腐剂
Preventing food spoilage is an important part of food industry. And it is the focus problem to study effective, low poison and wide range preservatives.
食品防腐保鲜是食品工业的一个重要部分,研究开发高效、安全、广谱的食品防腐剂也就成为主要的焦点问题。
参考来源 - 丁烯二酸糠醇酯的合成及其抗菌活性研究The main methods for controlling fruit softening,including pre-harvest and post harvest treatments,pre-harvest protection of fruit and calcium spray,refrigeration,controlled atmospheric storage,coatings,electron beam irradiation,heat treatment,and chemical preservatives were reviewed as well.
总结了近年来控制果实软化的主要措施，包括草莓果实的采前处理和采后处理，介绍了草莓果实的采前保护、采前喷钙、采后冷藏、气调贮藏、涂膜处理、辐射电磁处理、热处理以及防腐保鲜剂等技术的应用情况。
参考来源 - 草莓果实软化机理及调控研究进展 Advances in Research on Strawberry Fruit Softening Mechanisms and Its RegulationWe can determine the preservatives in the product by this method. As preservatives are widely used in many field of industry, they have profound effect on human living.
由于防霉剂广泛应用于工业品,对人类的衣食住行已经产生了深刻的影响。
参考来源 - 工业品及环境中防霉剂的分析方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
"the timbers should be treated with a preservative"
以上来源于: WordNet
N-MASS A preservative is a chemical that prevents things from decaying. Some preservatives are added to food, and others are used to treat wood or metal. 防腐剂
Nitrates are used as preservatives in food processing.
硝酸盐在食品加工中被用作防腐剂。
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