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Position: Home > Articles > Optimization of Alkali Extraction and Acid Precipitation Process for Total Flavonoids from Cyclocarya paliurus Callus FOOD SCIENCE 2011,32 (16) 103-107

青钱柳愈伤组织总黄酮碱溶酸沉提取工艺

作  者:
陈继光;米丽雪;上官新晨;李翔;钟世根
单  位:
江西农业大学食品科学与工程学院天然产物研究与开发重点实验室
关键词:
青钱柳;愈伤组织;总黄酮;碱溶酸沉
摘  要:
目的:研究以碱溶酸沉法提取青钱柳愈伤组织中的总黄酮。方法:采用碱溶酸沉法,对影响青钱柳愈伤组织中总黄酮提取的pH值、固液比、提取时间、硼砂用量等因素进行系统研究。结果:青钱柳愈伤组织中总黄酮碱提酸沉的最佳提取工艺为:采用固液比1:20,碱提液pH9,硼砂含量2.5%,提取时间60min,酸沉pH4.5。结论:在最佳提取工艺下,青钱柳愈伤组织中总黄酮得率达到4.01%。
译  名:
Optimization of Alkali Extraction and Acid Precipitation Process for Total Flavonoids from Cyclocarya paliurus Callus
作  者:
CHEN Ji-guang,MI Li-xue,SHANGGUAN Xin-chen,LI Xiang,ZHONG Shi-gen(Key Laboratory of Natural Products Research and Development,College of Food Science and Engineering, Jiangxi Agricultural University,Nanchang 330045,China)
关键词:
Cyclocarya paliurus;callus;total flavonoids;alkali extraction and acid precipitation
摘  要:
Objective: To optimize the alkali extraction and acid precipitation of total flavonoids from Cyclocarya paliurus callus.Methods: The effects of pH,material/liquid ratio,borax amount and extraction time on the extraction rate of total flavonoids from Cyclocarya paliurus callus.Results: The optimal extraction conditions were extraction solvent pH of 9.0,borax amount of 2.5%,extraction time of 60 min,and acid precipitation pH of 4.5.Conclusion: Under the optimal conditions,the extraction rate of total flavonoids was up to 4.01%.

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