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para-aminobenzoic acid

   Also found in: Dictionary/thesaurus, Acronyms, Encyclopedia, Wikipedia 0.03 sec.
para-aminobenzoic acid /para-ami·no·ben·zo·ic ac·id/ (par″ah-ah-me″no-ben-zo´ik) aminobenzoic acid.
par·a-a·mi·no·ben·zo·ic acid (pr--mn-bn-zk, -m-)
n.
PABA.

p-aminobenzoic acid (PAB) (PABA) [ah-me″no-ben-zo´ik]
a substance required for the synthesis of folic acid by many organisms; it is included in the B vitamin complex, although it is not an essential nutrient for humans. It is synthesized by many bacteria; sulfonamides act by blocking its synthesis; it also absorbs ultraviolet light, specifically UVB rays, and is used as aminobenzoic acid as a topical sunscreen.

para-aminobenzoic acid
a compound that is a growth factor for certain bacteria that use it to synthesize folic acid. Sulfonamides act by blocking a step in this synthesis. Abbreviated PAB, PABA.


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Ester-linked LAs are most often linked to true anaphylaxis, usually due to a sensitivity to their metabolite, para-aminobenzoic acid (PABA), and do not result in cross-allergy to amides.
cinnamates, octocrylene and the less commonly used para-aminobenzoic acid (PABA) and derivatives ?
But there is far more to para-aminobenzoic acid than this.
 
 
 
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