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Study on Quality Standard of Yening Capsule

Lingna Li

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Abstract

Objective To study the quality standard of Chinese medicine preparation Yening capsule.Method The components such as ganoderma,glycyrrhiza,and vine of multiflower knotweed were identified with the thin layer chromatography(TLC) method and the content of emodin was detected with high performance liquid chromatography method(HPLC),and method validation was examined.Results The TLC identification method had a strong specificity.Emodin had a good linear relation(r=0.9999) with detected contents between 1.6 μg/mL~16 μg/mL,the average recovery was 97.4%,RSD was 0.87%(n=5).Conclusion This standard can efficiently control the quality of Yening capsule.

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What this paper is about

Objective To study the quality standard of Chinese medicine preparation Yening capsule.Method The components such as ganoderma,glycyrrhiza,and vine of multiflower knotweed were identified with the thin layer chromatography(TLC) method and the content of emodin was detected with high performance liquid chromatography method(HPLC),and method validation was examined.Results The TLC identification method had a strong specificity.Emodin had a good linear relation(r=0.9999) with detected contents between 1.6 μg/mL~16 μg/mL,the average recovery was 97.4%,RSD was 0.87%(n=5).Conclusion This standard can efficiently control the quality of Yening capsule.

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Available abstract

Objective To study the quality standard of Chinese medicine preparation Yening capsule.Method The components such as ganoderma,glycyrrhiza,and vine of multiflower knotweed were identified with the thin layer chromatography(TLC) method and the content of emodin was detected with high performance liquid chromatography method(HPLC),and method validation was examined.Results The TLC identification method had a strong specificity.Emodin had a good linear relation(r=0.9999) with detected contents between 1.6 μg/mL~16 μg/mL,the average recovery was 97.4%,RSD was 0.87%(n=5).Conclusion This standard can efficiently control the quality of Yening capsule.

Key concepts: Emodin, Quality standard, Capsule, Chromatography, High-performance liquid chromatography, Thin-layer chromatography, Ganoderma, Chemistry

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