中文名称: BOC-S-Trityl-L-半胱氨酸
其他中文名称: N-叔丁氧羰基-S-三苯甲基-L-半胱氨酸;N-BOC-S-三苯甲基-L-半胱氨酸;叔丁BOC-S-Trityl-L-半胱氨酸氧羰基-三苯甲基半胱氨酸
英文名称: N-Boc-S-Trityl-L-cysteine
其他英文名称: N-(tert-Butoxycarbonyl)-S-trityl-L-cysteine
BOC-S-Trityl-L-半胱氨酸产品规格: BR,99%
包装:1克/5克/25克
CAS号:21947-98-8
C27H29NO4S=463.59
级别:BR
含量:≥99%(HPLC)
比旋光度:27±2o(c =1 in EtOH)
性状:至类粉末,熔点143~150℃
用途:生化研究。
保存:2~8℃
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BOC-S-Trityl-L-半胱氨酸用途:白色无臭结晶性粉末。有特殊甜味,甜度约为蔗糖的70%。为甘氨酸的1.6倍,属最甜的氨基酸。 在水产动物(虾、蟹)中含量较多,并形成特征性呈味成分。200℃以上开始升华,熔点297℃(分解)。对热及化学性能稳定。易溶于水(17%,25℃),微溶于乙醇(80%冷酒精中0.2%),不溶于乙醚。5%水溶液的ph值5.5~7.0。用途:能改善甜感,增强甜感醇厚度,改进酸感调味效果,能提高腌制品和醋渍品风味,缓和涩味、苦味、辛辣味,防止啤酒老化。能抑制大肠杆菌、革式阳性菌、乳酸菌及好气菌等生长发育。另有异构体L-β-丙氨酸,未见有存在与蛋白质中的报告,含于苹果汁等中,甜度比α型为小。