丹参冻干粉预冻温度的研究  

Pre-freezing temperature of lyophilized powder of Danshen(Radix Salviae Miltiorrhizae)

作　　者：张晓茹[1] 王宝华[1] 倪健[1] 宋歌[1] 冉晓萌[1] 

机构地区：[1]北京中医药大学中药学院,北京100102

出　　处：《北京中医药大学学报》2011年第1期60-63,共4页Journal of Beijing University of Traditional Chinese Medicine

基　　金："十一五"国家科技支撑项目(No.2006BAI09B07)

摘　　要：目的测定不同浓度丹参药液的最低预冻温度。方法电阻法测定不同浓度丹参药液共晶点,进而判断丹参药液预冻温度。结果 100、150、200 g/L丹参药液共晶点分别为-19、-23、-28.8℃,对应药液最低预冻温度为-24^-29℃,-28^-33℃,-33.8^-38.8℃。结论在判定的最低预冻温度下,冻干产品性状良好,指标成分含量符合质量标准的要求。Objective To determine the minimum pre-freezing temperature of Danshen（Radix Salviae Miltiorrhizae） liquid in different concentrations.Method The eutectic points of Danshen liquid in different concentrations were detected by using resistance method,and the pre-freezing temperature was determined.Result The eutectic points of Danshen liquid in 100 g/L,150 g/L and 200 g/L were,respectively,-19 ℃,-23 ℃ and-28.8 ℃,and the corresponding minimum pre-freezing temperature was,respectively,-24 ℃ to-29 ℃,-28 ℃ to-33 ℃ and-33.8 ℃ to-38.8 ℃.Conclusion The properties of lyophilized powder of Danshen is good at the minimum temperature determined in this test,and the content of index constituents accord with the quality standard.

关 键 词：丹参冻干粉 共晶点温度 电阻 预冻温度 

分 类 号：R283.1[医药卫生—中药学]