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R&D Systems公司细胞生物学,提供优质的蛋白质,抗体,ELISA试剂盒,实验室试剂,细胞因子.包括Novus Biologicals, BiosPacific, Tocris Bioscience, Boston Biochem和Bionostics. Jackson二抗中国授权代理

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紫草系列 标准品:紫草素(Shikonin)、紫草红(Alkannin)  

2011-10-21 18:55:20|  分类: 标准品(对照品) |  标签: |举报 |字号 订阅

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紫草(Lithospermum erythrorhizon Sieb. ‘et Zucc.)自生于日本各地、中国及朝鲜半岛,其根中含有紫草素(shikonin)成分。从紫草根中提取出来的紫红色色素可用作化妆品的原料。相关研究 报告表明,紫草素的有效成分,具有抗炎症、促进创伤愈和、抗肿瘤等药理作用。 紫草素作为光学异性体存在于紫草红中 (alkannin)。
本紫草素标准品及紫草红标准品载于日本药局方第十四次修订本,可用于紫草素有效成分的确认及含量测定实验。


13331紫草素标准品 生药实验用 10mg
Shikonin Standard    10mg       for Crude Drugs Determination
A product form. in which the optical isomer alkannin has been removed. Shikonin is contained in the root of perennial murasaki (Lith-ospermum erythrorhizon Sieb.'et Zucc.) growing naturally in Japan, China and Korean peninsula.
A red-purple dye extracted from the root of murasaki is being used as cosmetic ingredients. Antiinflammatory effect, wound healing acceleration, antitumor effect, etc. have been reported as the pharmacological effects of the active component of shikonin. In shikonin, alkannin is present as an optical isomer.
Shikonin standard and alkannin standard that have now been commercialized are both listed in the Japanese Pharmacopoeia, 14th Edition, and are used for identification and ingredient content determination of the active component shikonin.
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1319901紫草红标准品 生药实验用 10mg
Alkannin Standard     10mg      for Crude Drugs Determination
Shinikon is contained in the root of perennial murasaki (Lith-ospermum erythrorhizon Sieb.'et Zucc.) growing naturally in Japan, China and the Korean peninsula. A red-purple dye extracted from the root of murasaki is being used as a cosmetics ingredient. Antiinflammatory effect, wound healing acceleration, antitumor effect, etc. have been reported as the pharmacological effects of the active component of shikonin. In shikonin, alkannin is present as an optic isomer. This product is listed in the Japanese Pharmacopoeia 14th Edition and used for identification and content test of the active component of shinikon.

乙酰紫草素

Acetylshikonin    10mg     

 Purity:  98.0+% (HPLC) 
This product is one of naphthoquinone red dyes contained in bluish purple and is a shikonin derivative showing antibacterial, antitumor and antiinflammatory effects.  
β-羟基异戊酰紫草素
 beta-Hydroxyisovalerylshikonin    10mg  
Appearance:  Reddish purple - dark purple, crystals - powder 
Purity:  98.0+% (HPLC) 
 
 
其它参考:10mg 规格
Shikonin Standard 
Shikonin (mixture of optical isomers, about 1:1) 
Shikonin (mixture of optical isomers, about 6:1) 
Alkannin Standard
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