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Quality Standard of Liuweiluhui Ointment

Huang Shou-liang

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Abstract

OBJECTIVE: To establish the quality standard of Liuweiluhui ointment. METHODS:Phizoma Coptidis,Rhizoma Et Radix Polygoni Cuspidati and Aloe in Liuweiluhui ointment were identified qualitatively by TLC. The content of Aloe-emodin in Liuweiluhui ointment was determined by HPLC. RESULTS: The TLC spots were clear and specific yet without the interference of negative samples. The linear range of Aloe-emodin was 1～20 μg·mL-1(r=0.999 7). The average recovery was 95.94%(RSD=1.1%,n=6). CONCLUSION: The established standard is suitable for the quality control of Liuweiluhui ointment.

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What this paper is about

OBJECTIVE: To establish the quality standard of Liuweiluhui ointment. METHODS:Phizoma Coptidis,Rhizoma Et Radix Polygoni Cuspidati and Aloe in Liuweiluhui ointment were identified qualitatively by TLC. The content of Aloe-emodin in Liuweiluhui ointment was determined by HPLC. RESULTS: The TLC spots were clear and specific yet without the interference of negative samples. The linear range of Aloe-emodin was 1～20 μg·mL-1(r=0.999 7). The average recovery was 95.94%(RSD=1.1%,n=6). CONCLUSION: The established standard is suitable for the quality control of Liuweiluhui ointment.

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Available abstract

OBJECTIVE: To establish the quality standard of Liuweiluhui ointment. METHODS:Phizoma Coptidis,Rhizoma Et Radix Polygoni Cuspidati and Aloe in Liuweiluhui ointment were identified qualitatively by TLC. The content of Aloe-emodin in Liuweiluhui ointment was determined by HPLC. RESULTS: The TLC spots were clear and specific yet without the interference of negative samples. The linear range of Aloe-emodin was 1～20 μg·mL-1(r=0.999 7). The average recovery was 95.94%(RSD=1.1%,n=6). CONCLUSION: The established standard is suitable for the quality control of Liuweiluhui ointment.

Key concepts: Quality standard, Emodin, Radix (gastropod), Chromatography, Aloe emodin, Traditional medicine, High-performance liquid chromatography, Chemistry

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