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para-aminobenzoic acid |
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para-aminobenzoic acid /para-ami·no·ben·zo·ic ac·id/ (par″ah-ah-me″no-ben-zo´ik) aminobenzoic acid.
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. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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