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Quality Standard of Yinchen Daihuang Granules

Huali Wang

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Abstract

OBJECTIVE: To establish a quality control standard for Yinchen Daihuang Granules.METHODS: %Herba Artemisiae Scopariae,vinegar Radix Et Rhizoma Rhei and Radix Glycyrrhizae% were identified by TLC.RP-HPLC was used to determine the content of baicalin.RESULTS: The spots of Herba Artemisiae Scopariae,vinegar Radix Et Rhizoma Rhei and Radix Glycyrrhizae on TLC could be well separated.A good linear relationship was obtained for baicalin in the range of from 0.12 μg to 1.2.The regress equation was represented mathematically by Y=16 758.63X-3 532.15(r=0.999 7).The rate of average recovery was 98.6%.The RSD was 1.4%.CONCLUSION: The quality control method is simple,accurate with good separation for ingredients,and it can be used to control the quality of Yinchen Daihuang Granules.

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OBJECTIVE: To establish a quality control standard for Yinchen Daihuang Granules.METHODS: %Herba Artemisiae Scopariae,vinegar Radix Et Rhizoma Rhei and Radix Glycyrrhizae% were identified by TLC.RP-HPLC was used to determine the content of baicalin.RESULTS: The spots of Herba Artemisiae Scopariae,vinegar Radix Et Rhizoma Rhei and Radix Glycyrrhizae on TLC could be well separated.A good linear relationship was obtained for baicalin in the range of from 0.12 μg to 1.2.The regress equation was represented mathematically by Y=16 758.63X-3 532.15(r=0.999 7).The rate of average recovery was 98.6%.The RSD was 1.4%.CONCLUSION: The quality control method is simple,accurate with good separation for ingredients,and it can be used to control the quality of Yinchen Daihuang Granules.

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Available abstract

OBJECTIVE: To establish a quality control standard for Yinchen Daihuang Granules.METHODS: %Herba Artemisiae Scopariae,vinegar Radix Et Rhizoma Rhei and Radix Glycyrrhizae% were identified by TLC.RP-HPLC was used to determine the content of baicalin.RESULTS: The spots of Herba Artemisiae Scopariae,vinegar Radix Et Rhizoma Rhei and Radix Glycyrrhizae on TLC could be well separated.A good linear relationship was obtained for baicalin in the range of from 0.12 μg to 1.2.The regress equation was represented mathematically by Y=16 758.63X-3 532.15(r=0.999 7).The rate of average recovery was 98.6%.The RSD was 1.4%.CONCLUSION: The quality control method is simple,accurate with good separation for ingredients,and it can be used to control the quality of Yinchen Daihuang Granules.

Key concepts: Radix (gastropod), Baicalin, Quality standard, Linear relationship, Chromatography, Traditional medicine, Chemistry, Linear range

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