2010•Science and Technology of Food IndustryRequires access

Study on the extraction technology of oat polyphenol by response surface methodology

Zeng Qing-xiao

Abstract

The factors of alcohol concentration,temperature,material liquid ratio,extraction time,which influence the extraction yield in the technology for extracting total polyphenol from oat flour,were studied through a single factor experiment and response surface methodology. The optimized extraction conditions were obtained:alcohol volume fraction 60%,temperature 39℃,material liquid ratio 14∶1 and extraction time 59min. By verification experiment,the yield of total polyphenol could reach 4.59%.

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Key concepts: Polyphenol, Extraction (chemistry), Yield (engineering), Response surface methodology, Chromatography, Volume fraction, Alcohol, Volume (thermodynamics)