Medicinal Plant

2018, v.9(01) 9-12

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Extraction of Flavonoids from Leaves of Coix lacryma-jobi L.
Extraction of Flavonoids from Leaves of Coix lacryma-jobi L.

Xiaoxiong FENG;Yurun LIANG;Aiyue LUO;Jiandan NONG;Shaomei MO;Yan NING;Suoyi HUANG;

摘要(Abstract):

[Objectives] To extract the flavonoids from leaves of Coix lacryma-jobi L. [Methods] Ethanol extraction method was adopted,spectrophotometry was used,and single factor experiment and orthogonal experiment were carried out to study the effects of ethanol percentage,extraction temperature,solid-to-liquid ratio and extraction time on the extraction of total flavonoids from leaves of C. lacryma-jobi L.[Results] The order of 4 factors influencing the extraction of flavonoids from leaves of C. lacryma-jobi L. was: solid-to-liquid ratio > extraction time > ethanol percentage > extraction temperature. When the extraction temperature was 70℃,the extraction time was 1. 5 h and the solid-liquid ratio was 1: 10,the ethanol percentage was 60%,the extraction effect was the best,extraction of flavonoids was 0. 107 5 mg/m L.[Conclusions] This study is expected to provide a theoretical basis for further development and utilization of C. lacryma-jobi L.

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Abstract:

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基金项目(Foundation): Supported by Project of National Natural Science Foundation(81360684);; Natural Science Foundation Project of Guangxi(2011GXNSFA018046);; the 12th Five-Year TCM Key Discipline Chinese Medicine Chemistry Construction Program of State Administration of Traditional Chinese Medicine(Guo Zhong Yi Yao Ren Jiao Fa[2012]32);; Key Discipline Chinese Medicine Chemistry Construction Program of Guangxi(Gui Jiao Ke Yan[2013]16);; Program of Key Laboratory of Guangxi Universities on National Medicine in Youjiang River Basin(Gui Jiao Ke Yan[2014]14);; Student’s Platform for Innovation and Entrepreneurship Training Program of Guangxi in 2015(201510599026)

作者(Author): Xiaoxiong FENG;Yurun LIANG;Aiyue LUO;Jiandan NONG;Shaomei MO;Yan NING;Suoyi HUANG;

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