556-27-4C=CC[S@](=O)C[C@H]([NH3+])C(=O)[O-]XUHLIQGRKRUKPH-DYEAUMGKSA-NAlliin zwitterion is an L-alpha-amino acid zwitterion that is allin in which a proton has been transferred from the carboxy group to the amino group. It is the major species at pH 7.3. It has a role as an antioxidant, an antimicrobial agent, a neuroprotective agent, a plant metabolite and a cardioprotective agent. It is a tautomer of an alliin.
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解説S-allylcysteine sulfoxide.C6H11NO3S(177.22).ニンニクAllium sativumの球根に含まれている一種のアミノ酸.球根のメタノール抽出液から分別沈殿で得るか,L-システインをアリル化後,過酸化水素で酸化すると得られる.針状結晶.融点164~166 ℃(分解).[α]21D+67.7°(水).水に易溶,有機溶媒に不溶.アリインが酵素アリイナーゼの作用で分解して,ニンニク臭をもつ黄色の液体,アリシン(allicin,S-2-propenyl 2-propene-1-sulfinothioate)を生成する.アリシンは,C6H10OS2(162.28).d2141.112.n20D1.561.水に微溶,エタノール,エーテル,ベンゼンに可溶.ニンニクの抗菌成分で,殺菌剤として用いられる."森北出版「化学辞典(第2版)
説明Alliin (S-allyl cysteine sulfoxide) is an organic sulfur-containing product derived from the amino acid cysteine. It is the precursor of thiosulfinates, which are responsible for the characteristic pungent flavours of Allium species. It is an L-alanine derivative in which one of the methyl hydrogens of L-alanine has been replaced by an (S)-allyl sulfinyl group. It has a role as a plant metabolite, an antioxidant, a cardioprotective agent, a neuroprotective agent and an antimicrobial agent. It is a non-proteinogenic alpha-amino acid, an L-cysteine derivative, an L-alanine derivative, a sulfoxide and an olefinic compound. It is a tautomer of an alliin zwitterion.
使用antibacterial, antioxidant
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556-27-4CHEBI:132987定義ChEBI: An L-alanine derivative in which one of the methyl hydrogens of L-alanine has been replaced by an (S)-allylsulfinyl group.