单词 | gamma-aminobutyric acid |
释义 | > as lemmasgamma-aminobutyric acid gamma-aminobutyric acid n. Biochemistry and Physiology an amino acid found principally in the central nervous system of vertebrates, where it acts as an inhibitory neurotransmitter; abbreviated GABA.Systematic name: 4-aminobutanoic acid; H2N(CH2)3COOH. ΚΠ 1890 Jrnl. Chem. Soc. 58 i. 360 When digested for three hours with 27 per cent. hydrochloric acid, it is resolved into phthalic acid and γ-amidobutyric acid, NH2·CH2·CH2·CH2·COOH.] 1900 Jrnl. Chem. Soc. 78 i. 557 When pyrrolidone is boiled with alkalis, concentrated hydrochloric acid, or barium hydroxide, it is converted into γ-aminobutyric acid. 1975 W. R. Uttal Cellular Neurophysiol. ix. 196 Substances that have classically been considered to be solely inhibitory in mammalian brains include the amino acids glycine and GABA (gamma aminobutyric acid). 2012 Los Angeles Times (Nexis) 6 Feb. d8 Studies by scientists..showed that yoga boosted brain levels of the neurotransmitter gamma-aminobutyric acid. Low GABA levels have been linked to depression. < as lemmas |
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