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Guo Cheng, Zhang Chun. Orthogonal test for the effect of alcohol extracting procedure to total anthraquinone content in Rhubarb[J]. Journal of Pharmaceutical Practice and Service, 1996, (1): 31-32.
Citation: Guo Cheng, Zhang Chun. Orthogonal test for the effect of alcohol extracting procedure to total anthraquinone content in Rhubarb[J]. Journal of Pharmaceutical Practice and Service, 1996, (1): 31-32.

Orthogonal test for the effect of alcohol extracting procedure to total anthraquinone content in Rhubarb

  • Concentration of alcohol, reflowing time and amont of alcohol was tested in cluster analysis for alcohol extracting procedure. Experimental results showed that reflowing time and concentration of alcohol were the significant facts to total anthraquinone content with P<0.01 and P<0.05 respectively. The best extracting procedure can be described as:the drug powder is reflowed 2 times, 1 hour each, percolated by 95% alcohol.
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Orthogonal test for the effect of alcohol extracting procedure to total anthraquinone content in Rhubarb

Abstract: Concentration of alcohol, reflowing time and amont of alcohol was tested in cluster analysis for alcohol extracting procedure. Experimental results showed that reflowing time and concentration of alcohol were the significant facts to total anthraquinone content with P<0.01 and P<0.05 respectively. The best extracting procedure can be described as:the drug powder is reflowed 2 times, 1 hour each, percolated by 95% alcohol.

Guo Cheng, Zhang Chun. Orthogonal test for the effect of alcohol extracting procedure to total anthraquinone content in Rhubarb[J]. Journal of Pharmaceutical Practice and Service, 1996, (1): 31-32.
Citation: Guo Cheng, Zhang Chun. Orthogonal test for the effect of alcohol extracting procedure to total anthraquinone content in Rhubarb[J]. Journal of Pharmaceutical Practice and Service, 1996, (1): 31-32.

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