[Studies on IR fingerprint of tongren dahuoluo pills and tongren niuhuangqingxin pills].
OBJECTIVE
To identify Tongren Dahuoluo pills and Tongren Niuhuangqingxin pills respectively by analysis of IR fingerprint.


METHODS
Both drugs were extracted with hexane, ethylether and butanone respectively and then the obtained extracts were measured with the ET-IR spectrometer.


RESULTS
By analyzing IR fingerprint of 25 batches of Tongren Dahuoluo pills and 27 batches of Tongren Niuhuangqingxin pills, we found that different batches of the same drug hadstabile and repeatable fingerprint.


CONCLUSIONS
By using IR fingerprint, either Tongren Dahuoluo pills or Tongren Niuhuangqingxin pills can be exactly identified. It provides a rapid method for drug identification and quality control.
Tian
Jin-guo
JG
School of Pharmacy, Shandong University, Jinan 250012, China. jinguot@sdu.edu.cn
Zhang
Jing
J
Ren
Jian
J
Hu
Ai-ping
AP
Gao
Yian-hui
YH
Lou
Hong-xiang
HX
D004338:Drug Combinations; D004340:Drug Contamination / Q000517:prevention & control; D004365:Drugs, Chinese Herbal / Q000008:administration & dosage / Q000737:chemistry*; D010946:Plants, Medicinal / Q000737:chemistry; D011786:Quality Control; D013055:Spectrophotometry, Infrared
D004338:Drug Combinations; D004365:Drugs, Chinese Herbal