| 超声波辅助提取柱花草多酚工艺优化 |
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| 引用本文： | 何丽芳,金晨钟,邓港,胡一鸿,林王花,张雪娇.超声波辅助提取柱花草多酚工艺优化[J].湖南农业科学,2017(6). |
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| 作者姓名： | 何丽芳 金晨钟 邓港 胡一鸿 林王花 张雪娇 |
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| 作者单位： | 湖南省农田杂草防控技术与应用协同创新中心,农药无害化应用湖南省高校重点实验室,湖南人文科技学院农业与生物技术学院,湖南娄底 417000 |
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| 基金项目： | 国家大学生创新性实验项目，湖南省大学生创新性实验项目，湖南省高校创新平台开放基金项目，湖南省高校产业化培育项目 |
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| 摘 要： | 以柱花草为材料,通过单因素和正交试验设计对超声波辅助提取柱花草多酚工艺条件进行优化。选取超声功率、超声时间、料液比、乙醇体积分数为考察指标,研究不同工艺参数对柱花草多酚提取浓度的影响。结果表明:超声波辅助提取柱花草多酚的最优工艺条件为超声功率160 W,超声时间60 min,料液比1︰30,乙醇体积分数60%;在此条件下,柱花草多酚浓度达9.138 mg/g。
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| 关 键 词： | 柱花草 多酚 超声波辅助提取 工艺优化 |
Optimization of Ultrasound-Assisted Extraction of Polyphenols from Stylosanthes Guianensias |
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| HE Li-fang,JING Chen-zhong,DENG Gang,HU Yi-hong,LIN Wang-hua,ZHANG Xue-jiao.Optimization of Ultrasound-Assisted Extraction of Polyphenols from Stylosanthes Guianensias[J].Hunan Agricultural Sciences,2017(6). |
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| Authors: | HE Li-fang JING Chen-zhong DENG Gang HU Yi-hong LIN Wang-hua ZHANG Xue-jiao |
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| Abstract: | Used the Stylosanthes guianensias as material to optimize the technological conditions of ultrasonic extraction of polyphenols from it, a single factor and orthogonal design was adopted. Selected the ultrasonic power, extraction time, ethanol concentration and a solid/ liquid ratio on extraction rate as index to study the effect of different process parameters on extraction concentration of polyphenols in Stylosanthes guianensias. The results suggested that the optimum technological condition for ultrasonic assisted extraction of polyphenols from Stylosanthes guianensias is: 160W ultrasonic power, 60 min extraction time, 1:30 solid/ liquid ratio and 60% ethanol volume fraction. Under these conditions, the concentration of polyphenols reached 9.138 mg/g. |
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| Keywords: | Stylosanthes guianensias polyphenols ultrasound-assisted extraction process optimization |
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