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preservative
(redirected from Wood preservative)

    Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson 0.03 sec.

preservative

Any of numerous chemical additives used to prevent or slow food spoilage caused by chemical changes (e.g., oxidation, mold growth) and maintain a fresh appearance and consistency. Antimycotics (e.g., sodium and calcium propionate, sorbic acid) inhibit mold growth; antioxidants (e.g., butylated hydroxytoluene or BHT) delay rancidity in foods containing fats and oils; antibiotics (e.g., tetracyclines) prevent bacterial growth; humectants retain moisture in products like shredded coconut; and antistaling agents (e.g., glyceryl monostearate) maintain moisture and softness in baked goods. Some preservatives also improve the appearance of the product (e.g., sodium nitrate and nitrite in meats).
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? Mentioned in ? References in periodicals archive
 
Chromated copper arsenate (CCA) has been widely used for > 60 years as a wood preservative to extend the lifetime of wood as a building material (Bull 2001; Nico et al.
Chromium on the hands of children after playing in playgrounds built ... by Le, X. Chris / Environmental Health Perspectives
Among the elements within the common wood preservatives, arsenic is characterized by the strictest regulatory standards, chromium and copper are the next strictest, followed by boron and zinc.
Warning signs: certain chemical preservatives are unwelcome ... by Townsend, Timothy / Construction & Demolition Recycling
Among the elements within the common wood preservatives, arsenic is characterized by the strictest regulatory standards, chromium and copper are the next strictest, followed by boron and zinc.
Keep out: certain chemical preservatives are unwelcome contaminants ... by Recycling Today
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