The emblica flavonoid was extracted from dried emblica powders by ultrasonic-assisted extraction, four factors (liquid-material ratio, ethanol concentration, ultrasonic times and ultrasonic powers) were investigated by the single factor experiments. The process parameters were optimized by response surface analysis method. The optimum extraction conditions of Phyllanthus emblica total flavonoids were determined as: liquid-material ratio 82:1 (V/W), ethanol concentration 45%, ultrasonic times 41 min and ultrasonic powers 210 W. Under this condition, the extraction of total flavonoids was 6.12%.
CHEN Hong-bin
,
ZHOU Jie
,
WU Jin-hui
,
CAI Ying-qing
,
ZHANG Miao-xia
. Optimization of Extracting Technology of Total Flavonoids in Phyllanthus emblica by Ultrasonic-assisted[J]. Subtropical Plant Science, 2014
, 43(04)
: 293
-297
.
DOI: 10.3969/j.issn.1009-7791.2014.04.006
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