Pan Jian, Chen Qiang, Wang Guoxia, Zhang Jian, Xie Huiming. Optimum Extracting Technology of Flavonoids in Radix PuerariaeJ. Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE), 1998, 14(4): 230-233.
    Citation: Pan Jian, Chen Qiang, Wang Guoxia, Zhang Jian, Xie Huiming. Optimum Extracting Technology of Flavonoids in Radix PuerariaeJ. Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE), 1998, 14(4): 230-233.
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    Optimum Extracting Technology of Flavonoids in Radix Puerariae

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    • The optimum extracting technology of flavonoids in radix puerariae was investigated by using the factorial and orthogonal design. The results showed that 85 ℃, pH=8, 10∶1 of 70 % ethanol to radix puerariae weight ratio ,extract for 2 times and 3 hours for each time were optimal. The extraction rate was above 9 % and the flavonoid content of extract was above 40 %.
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