p-aminobenzoic acid

p-aminobenzoic acid
A factor in the vitamin B complex, a part of all folic acid s and required for its formation; neutralizes the bacteriostatic effects of the sulfonamides since it furnishes an essential growth factor for bacteria, with the utilization of which the sulfonamides interfere; used as an ultraviolet screen in lotions and creams. It is produced in a test of pancreatic function. SYN: paraaminobenzoic acid, vitamin Bx.

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p-ami·no·ben·zo·ic ac·id (PAB) (PABA) (ə-me″no-ben-zoґik) a substance required for the synthesis of folic acid by many organisms. PABA is included in the B vitamin complex, although it is not an essential nutrient for humans. It also absorbs ultraviolet light, specifically ultraviolet B, and is used as aminobenzoic acid [USP] as a topical sunscreen.

Medical dictionary. 2011.

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  • Aminobenzoic acid — (a benzoic acid with an amino group) can refer to:* para Aminobenzoic acid ( p aminobenzoic acid) * 3 Aminobenzoic acid ( m aminobenzoic acid) * Anthranilic acid (2 aminobenzoic acid, o aminobenzoic acid) …   Wikipedia

  • aminobenzoic acid — [ə mē΄nō ben zō′ik, am΄i nō΄ben zō′ik] n. any of several crystalline substances with the same formula, NH2C6H4COOH, used in the manufacture of dyes, drugs, suntan lotions, etc.: see also PARA AMINOBENZOIC ACID …   English World dictionary

  • aminobenzoic acid — noun a derivative of benzoic acid • Hypernyms: ↑acid * * *  ̷ ̷| ̷ ̷ ̷ ̷| ̷ ̷| ̷ ̷ ̷ ̷ , | ̷ ̷ ̷ ̷ˌ ̷ ̷| ̷ ̷| ̷ ̷ ̷ ̷ noun Etymology: International Scientific Vocabulary amin + benzoic : any of three crystalline monoamino derivatives NH2C6H4COOH… …   Useful english dictionary

  • aminobenzoic acid — ami·no·ben·zo·ic acid ə .mē nō ben .zō ik n any of three crystalline derivatives C7H7NO2 of benzoic acid: as a) PARA AMINOBENZOIC ACID b) ANTHRANILIC ACID …   Medical dictionary

  • aminobenzoic acid — /euh mee noh ben zoh ik, am euh noh , euh mee noh , am euh noh /, Chem. any of three isomers having the formula C7H7NO2, derived from benzoic acid, esp. the para isomer, para aminobenzoic acid. [1900 05; AMINO + BENZOIC ACID] * * * …   Universalium

  • aminobenzoic acid — noun Etymology: International Scientific Vocabulary Date: 1904 any of three crystalline derivatives C7H7NO2 of benzoic acid; especially para aminobenzoic acid …   New Collegiate Dictionary

  • aminobenzoic acid — a•mi′no•ben•zo′ic ac′id [[t]əˈmi noʊ bɛnˈzoʊ ɪk, ˈæm əˌnoʊ , əˌmi noʊ , ˌæm ə noʊ [/t]] n. chem. any of three isomers having the formula C7H7NO2, derived from benzoic acid, esp. para aminobenzoic acid …   From formal English to slang

  • 4-Aminobenzoic acid — IUPAC name 4 Aminobenzoic acid …   Wikipedia

  • 3-Aminobenzoic acid — 3 Aminobenzoic acid[1][2] …   Wikipedia

  • para-aminobenzoic acid — /par euh euh mee noh ben zoh ik, am euh noh /, Chem., Biochem. part of the folic acid molecule, a white or yellowish, crystalline, slightly water soluble solid, C7H7NO2, the para isomer of aminobenzoic acid: used chiefly in the manufacture of… …   Universalium

  • para-aminobenzoic acid — [par΄ə ə mē΄nō ben zō′ik, par΄əam΄ə nō΄ben zō′ik] n. [ PARA 1 + AMINO + BENZOIC] a yellowish isomer of aminobenzoic acid, that is a component of folic acid, widely distributed in nature, esp. in yeast, and utilized as a vitamin by organisms that… …   English World dictionary

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