Optimization of Alkali Extraction and Acid Precipitation Process for Total Flavonoids from Cyclocarya paliurus Callus

doi:10.7506/spkx1002-6630-201116022

Abstract

Abstract: 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%.

Key words: Cyclocarya paliurus, callus, total flavonoids, alkali extraction and acid precipitation

CLC Number:

S336
O623.59

CHEN Ji-guang，MI Li-xue，SHANGGUAN Xin-chen，LI Xiang，ZHONG Shi-gen. Optimization of Alkali Extraction and Acid Precipitation Process for Total Flavonoids from Cyclocarya paliurus Callus[J]. FOOD SCIENCE, 2011, 32(16): 103-107.

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Optimization of Alkali Extraction and Acid Precipitation Process for Total Flavonoids from Cyclocarya paliurus Callus

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