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2007•The Chinese Journal of Modern Applied PharmacyRequires access

Studies on Quality Standard of Xiaozhi Capsules

MO Hai-ling

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Abstract

OBJECTIVE To establish a quality standard of Xiaozhi capsule.METHODS The identification of Radix et Rhizoma Rhei,Flos sophorae were carried out by TLC.The content of baicalin in Xiaozhi capsule was determined by HPLC. RESULTS Radix et Rhizoma Rhei,Flos Sophorae could be idetifid by TLC.A good linearity of baicalin was obtained in the range of 0.1002～1.6032 μg(r=0.999 8) and the average recovery of baicalin was 99.3%,RSD was 0.98%.CONCLUSION This method is simple,sensitive and accurate,and has good reproducibility.It can be used for the quality control fo Xiaozhi Capsule.

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What this paper is about

OBJECTIVE To establish a quality standard of Xiaozhi capsule.METHODS The identification of Radix et Rhizoma Rhei,Flos sophorae were carried out by TLC.The content of baicalin in Xiaozhi capsule was determined by HPLC. RESULTS Radix et Rhizoma Rhei,Flos Sophorae could be idetifid by TLC.A good linearity of baicalin was obtained in the range of 0.1002～1.6032 μg(r=0.999 8) and the average recovery of baicalin was 99.3%,RSD was 0.98%.CONCLUSION This method is simple,sensitive and accurate,and has good reproducibility.It can be used for the quality control fo Xiaozhi Capsule.

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Available abstract

OBJECTIVE To establish a quality standard of Xiaozhi capsule.METHODS The identification of Radix et Rhizoma Rhei,Flos sophorae were carried out by TLC.The content of baicalin in Xiaozhi capsule was determined by HPLC. RESULTS Radix et Rhizoma Rhei,Flos Sophorae could be idetifid by TLC.A good linearity of baicalin was obtained in the range of 0.1002～1.6032 μg(r=0.999 8) and the average recovery of baicalin was 99.3%,RSD was 0.98%.CONCLUSION This method is simple,sensitive and accurate,and has good reproducibility.It can be used for the quality control fo Xiaozhi Capsule.

Key concepts: Baicalin, Flos, Radix (gastropod), Quality standard, Capsule, Chromatography, Reproducibility, Chemistry

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