para-aminobenzoic acid


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para-aminobenzoic acid

(pâr`ə-əmē`nōbĕnzōĭk): see vitaminvitamin,
group of organic substances that are required in the diet of humans and animals for normal growth, maintenance of life, and normal reproduction. Vitamins act as catalysts; very often either the vitamins themselves are coenzymes, or they form integral parts of coenzymes.
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para-aminobenzoic acid

[¦par·ə ə¦mē·nō‚ben¦zō·ik ′as·əd]
(biochemistry)
C7H7O2N A yellow-red, crystalline compound that is part of the folic acid molecule; essential in metabolism of certain bacteria. Abbreviated PABA.
References in periodicals archive ?
Competion with Nutrients--Some germs require the vitamin-like substance para-aminobenzoic acid (PABA) to survive.
Some people are sensitive to PABA (para-aminobenzoic acid), a common ingredient in sunscreens.
Each towelette, which is dermatologist tested and approved, is free of alcohol and PABA (para-aminobenzoic acid, used in dyes and most sunscreens).
The first sunscreen developed, para-aminobenzoic acid (PABA), fell out of use because it stained clothing and was found to cause allergic reactions in some people.