PRESERVATIVE

Preservative

A preservative is a naturally occurring or synthetically produced substance that is added to products such as foods, pharmaceuticals, paints, biological samples, wood, etc. to prevent decomposition by microbial growth or by undesirable chemical changes. Preservatives can be divided into two types, depending on their origin. Class I preservatives refers to those preservatives which are naturally occurring, everyday substances. Examples include salt, honey and wood smoke. Class II preservatives refer to preservatives which are synthetically manufactured.

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preservative

Noun

  1. (countable) any agent, natural or artificial that acts to preserve, especially when added to food
    Salt, sugar, and acid all act as preservatives when making pickles.

Adjective

preservative

  1. tending to preserve
    The curators took preservative actions to maintain the ancient collection.


The above text is a snippet from Wiktionary: preservative
and as such is available under the Creative Commons Attribution/Share-Alike License.

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