Extraction of Chlorogenic Acid from Sunflower Seeds by Water Solution and Alcohol Sedimentation

Abstract

Abstract: Chlorogenic acid has biological activity such as anti-microbes, anti-virus , oxidation prevention and so on. Sunflower seeds are full of chlorogenic acid. This experience extracted chlorogenic acid out of waste aqueous solution from water-enzyme method sunflower seeds oil extraction. The experiments results showed that when concentration of solid substance of the waste aqueous solution was condensated to 13% (W/V)on vacuum, 95% alcohol(1:1,V/V) was added to the condensated solution to sedimentate polysaccharose, sedimentation was centrifugalized, repeated above treatment, and filtrate was collected and condensated on vacuum, then chlorogenic acid crystal of 76% purity was obtained.

Key words: sunflower seeds, aqueous solution, chlorogenic acid, polysaccharose

ZHENG Xi-Qun, JIANG Ji-Feng, LIU Xiao-Lan, SUN Xiu-Yun. Extraction of Chlorogenic Acid from Sunflower Seeds by Water Solution and Alcohol Sedimentation[J]. FOOD SCIENCE, 2006, 27(1): 159-161.

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Extraction of Chlorogenic Acid from Sunflower Seeds by Water Solution and Alcohol Sedimentation

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