FOOD SCIENCE ›› 2010, Vol. 31 ›› Issue (22): 283-285.doi: 10.7506/spkx1002-6630-201022060

• Processing Technology • Previous Articles     Next Articles

Optimization of Extraction Processing for Total Flavonoids from Osmunda japonica

TIAN Guo-zheng,HE Yi-fa   

  1. School of Biological Science and Technology, Hubei Institute for Nationalities, Enshi 445000, China
  • Received:2010-09-01 Online:2010-11-25 Published:2010-12-29
  • Contact: TIAN Guo-zheng E-mail:tianguozheng@yahoo.com.cn

Abstract:

Osmunda japonica was used as the material to explore the optimal extraction processing for total flavonoids. The effects of ethanol concentration, soaking time, material-liquid ratio, and extraction temperature on extraction rate of total flavonoids from Osmunda japonica were investigated by orthogonal experiments. The optimal extraction processing parameters were ethanol concentration of 60%, extraction time of 1.5 h, material-liquid ratio of 1:25 (g/mL) and extraction temperature of 70℃. The extraction rate of total flavonoids from Osmunda japonica was up to 1.29% under the optimal extraction conditions. This extraction method is characteristics of low cost and high efficiency.

Key words: Osmunda japonica, total flavonoids, extraction, processing optimization.

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