para-aminobenzoic acid


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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.
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.
PABA-free: Para-aminobenzoic acid is a very effective sunscreen that was once used widely.