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Updated: Aug 7, 2026
Preparation of Herbal Medicine: Er-Xian Decoction and Er-Xian-containing Serum for In Vivo and In Vitro Experiments
Published on: May 31, 2017
[Studies on the quality standard of xingnao tinctures]
1Guangxi Institute of Minority Nationality Medicine and Pharmacology, Nanning 530001, Guangxi, China. gxhrs@hotmail.com
Objective:
To establish the method for quality control of Xingnao tinctures.
Method:
The Mentholum, Flos Caryophylli and Borneoum Syntheticum in this medicine were identified by TLC method. The content of Mentholum was determined by GC. Conditions of GC were: With Naphthalene as an internal standard, packed glass column, Shimadzu 7G 2.1 mm x 3.2 m, carrier gas N2, flow rate 50 mL.min-1, column temperature. 145 degrees C, ingector and detector temperature. 180 degrees C, injection way of splitless and injection volume 3 microL.
Result:
The spots on TLC plates were clear, with no interference in the blank reference. The precision and repeatability of GC were are good respectively. The average recovery was 98.4%, RSD = 0.94%.
Conclusion:
This method was fast, simple, accurate and suitable for quality control of Xingnao tinctures.
