para-aminobenzoic acid

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par·a-a·mi·no·ben·zo·ic acid

(păr′ə-ə-mē′nō-bĕn-zō′ĭk, -ăm′ə-)

para-aminobenzoic acid

(Biochemistry) biochem an acid present in yeast and liver: used in the manufacture of dyes and pharmaceuticals. Formula: C6H4(NH2)COOH

par′a-a•mi•no•ben•zo′ic ac′id

(ˈpær ə əˌmi noʊ bɛnˈzoʊ ɪk, -ˌæm ə noʊ-)

n.

a yellowish, crystalline solid, C₇H₇NO₂, that is a component of the vitamin B complex. Abbr.: PABA

[1905–10]

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References in periodicals archive ?

An example is the sunscreen ingredient Para-aminobenzoic acid that was shown in 1978 by Albert Kligman to exhibit photo-toxicity.

Test your cosmetic formulas for photo-toxicity reactions

If you cannot find any pet sunscreen then you can use the ones meant for people as long as they do not contain zinoxide or para-aminobenzoic acid (PABA).

Pet Care with Hansel

Senior skin can be delicate, so choose sunscreen for sensitive skin that is para-aminobenzoic acid (PABA) free, as PABA may cause skin allergies.