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preservative    音标拼音: [priz'ɚvətɪv]
a. 保存的,有保存力的,防腐的
n. 预防法,预防药,防腐剂

保存的,有保存力的,防腐的预防法,预防药,防腐剂

preservative
adj 1: tending or having the power to preserve; "timbers should
be treated with a preservative substance"
n 1: a chemical compound that is added to protect against decay
or decomposition

Preservative \Pre*serv"a*tive\, a. [Cf. F. pr['e]servatif.]
Having the power or quality of preserving; tending to
preserve, or to keep from injury, decay, etc.
[1913 Webster]


Preservative \Pre*serv"a*tive\, n.
That which preserves, or has the power of preserving; a
presevative agent.
[1913 Webster]

To wear tablets as preservatives against the plague.
--Bacon.
[1913 Webster]


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  • Preservative - Wikipedia
    A preservative is a substance or a chemical that is added to products such as food products, beverages, pharmaceutical drugs, paints, biological samples, cosmetics, wood, and many other products to prevent decomposition by microbial growth or by undesirable chemical changes
  • Preservative | Definition, Examples, Uses | Britannica
    Preservative, in foods, any of numerous chemical additives used to prevent or retard spoilage caused by chemical changes, such as oxidation or the growth of mold Along with emulsifying and stabilizing agents, preservatives also help to maintain freshness of appearance and consistency
  • What are preservatives in food and How they work?
    Preservatives in food have become a staple of modern food production, allowing for longer shelf life and enhanced safety The use of preservatives in food has sparked ongoing discussions about health implications and the balance between consumer safety and convenience
  • PRESERVATIVE Definition Meaning - Merriam-Webster
    The meaning of PRESERVATIVE is having the power of preserving How to use preservative in a sentence
  • What are Preservatives: Uses, Benefits, and Risks
    Preservatives are substances added to food products to extend their shelf life and prevent spoilage caused by microorganisms, oxidation, or other chemical changes These additives play a crucial role in maintaining food safety, quality, and freshness over extended periods
  • Preservatives - Chemical Safety Facts
    All life forms – bacteria, plants, fish, animals and humans – naturally produce formaldehyde As a preservative, formaldehyde is well known for its anti-bacterial properties, helping to prevent the growth of bacteria and other pathogens and extend shelf life when it is added as a product ingredient
  • Preservatives – Keeping our foods safe fresh - Center for . . .
    Research is ongoing regarding specific preservative ingredients and their health impacts Researchers and the U S FDA take food safety seriously and strive to ensure all foods and food products are safe for everyone to consume





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