性能描述

storage temp.    2-8°C

Quality
A mixture of Spiramycin I, II and III.

Application
Spiramycin is a macrolide antibiotic that is commonly used to treat infections of soft tissues. It has been used to treat bronchopulmonary infections in adults 1 and has been used to study septicemia in mice 2.

Biochem/physiol Actions
Spiramycin is a 16-membered ring macrolide antibiotic from Streptomyces ambofaciens. It inhibits bacterial protein synthesis at the level of peptidy-tRNA dissociation from ribosomes. It is mainly used against Gram-positive bacteria.

螺旋霉素由链霉菌属Streptomyces ambofaciens产生的大环内酯类抗生素，是螺旋霉素Ⅰ，Ⅱ，III的混合物。含量依次为63％±10％，24％±15％，13％±5％。熔点依次为134～137℃，130～133℃，128～131℃。

溶解性：易溶于乙醇、丙醇、丙酮和甲醇，难溶于水。乙醇溶解度: 50 mg/mL, 透明至稍许浑浊。