摘要
目的 :建立鉴别区分咖啡因合成品与提取品的方法。方法 :提取两种咖啡因中的“有关物质” ,进行HPLC、TLC、荧光分光光度法、荧光检查及粉末X -射线衍射法的分析和比较。结果 :咖啡因提取品与合成品可通过提取咖啡因“有关物质”用HPLC、TLC、荧光分光光度法或直接荧光及粉末X -射线衍射法进行鉴别与区分。结论
OBJECTIVE:To establish a method to distinguish between synthetic caffeine and natural caffeine METHODS:To identify the related substances obtained from synthetic caffeine and natural caffeine by HPLC,TLC,fluorescence spectrophotometry and X-ray powder diffraction RESULTS:Synthetic caffeine and natural caffeine can be identified by testing the related substances in them CONCLUSION:Using the described method,synthetic caffeine and natural caffeine can be discriminated accurately
出处
《中国药房》
CAS
CSCD
2002年第12期751-752,共2页
China Pharmacy
关键词
咖啡因
提取品
合成品
鉴别
caffeine
synthetic product
natural product
discrimination