中文名称相思豆毒素中文同义词相思豆毒素;相思豆毒素,L-红豆碱;L-红豆碱;L-ABRINE相思豆毒素;NΑ-甲基-L-色氨酸;相思豆毒素,L-红豆碱,相思豆碱,红豆碱;相思豆毒素标准品;L-(+)-相思子碱英文名称L-ABRINE英文同义词H-METRP-OH;L-ABRINE;ABRINE;ABRINE,L-;N-METHYLTRYPTOPHAN;N-ME-TRP-OH;N-ME-TRP-OHHCL;N-ME-TRYPTOPHANCAS号526-31-8分子式C12H14N2O2分子量218.25EINECS号208-388-5相关类别标准品;非天然氨基酸衍生物;植物提取物;中药对照品;标准品-中药标准品;医药原料药;医药原料;Indoles;Tryptophans;AminoAcidDerivatives;PeptideSynthesis;TryptophanMol文件526-31-8.mol结构式相思豆毒素性质熔点>300°C(dec.)(lit.)比旋光度D21+44°(0.28gin10ml0.5NHCl)沸点358.94°C(roughestimate)密度1.272±0.06g/cm3(20ºC760Torr)折射率65°(C=1,0.5mol/LNaOH)储存条件underinertgas(nitrogenorArgon)at2–8°C溶解度H2O:2mg/mL(9.16mM;超声并用NaOH将pH调节至10)酸度系数(pKa)2.32±0.10(Predicted)形态水晶。颜色米白色至浅黄色旋光性(opticalactivity)[α]20/D+65°,c=1in0.5MNaOHMerck14,10BRN86638CAS数据库526-31-8(CASDataBaseReference)相思豆毒素用途与合成方法生物活性L-Abrine(N-Methyl-L-tryptophan)是相思子根部的毒性清蛋白,可抑制核糖体。体外研Chemicalbook究L-(+)-Abrineisamarkerforabrinpoisoning.AstrongindicationforabrinpoisoningisthepresenceofthechemicalmakerL-(+)-Abrine,whichcansurvivemetabolisminsignificantamountsmakingitdetectableinhumanurine.体内研究Abrinisatoxicproteinfoundinthejequirityseed.L-(+)-Abrine(L-Abrine)isalsofoundinthejequirityseedandcanbeusedasabiomarkerforabrinexposure.AnanimalstudyisdesignedtomonitortheexcretionandrecoveryofL-(+)-Abrinein20rats.TheanimalsareexposedtooneofthreeconcentrationsofL-(+)-Abrine,asinglehighconcentrationofL-tryptophan,ornoagent(control).ThelowL-(+)-Abrinedosecorrespondsto0.63LD50i.p.abrininmice,assumingaconcentrationratioof1:4ofabrintoL-(+)-AbrineandanLD50forabrinof20μg/kg.ThemidandhighL-(+)-Abrine(250and400μg/kg)dosesareincludedtoensurethatthetargetanalytecanbedetectedandtrackedoverthecourseoftheexperiment.用途一种在体外表现出自由基清除和抗氧化剂特性的吲哚氨基酸。 |