journal6 ›› 2006, Vol. 27 ›› Issue (1): 110-113.

• Chemistry and chemical engineering • Previous Articles     Next Articles

Microwave-Assisted Method Extration and Adsorption Stripping of Macropore Adsorbent of Flavonoids in Diospyros Kaki Leaf


  1. (1.College of Chemistry and Chemical Engineering,Jishou University,Jishou 416000,Hunan China;2.College of Chemistry and Chemical Engineering,Hunan Normal University,Changsha 410000,China)
  • Online:2006-01-25 Published:2012-09-16

Abstract: The best extraction conditions for the extraction of total flavonoids by microwave-assisted extraction technique from Diospyros kaki leaf was investigated.The influence of microwave power,extraction time and the ratio of solid-liquor on the extraction efficiency was discussed.Total flavonoids was quantified by UV method.Three types of macroreticular resin with different polarity were compared in the adsorption ability to flavonoids  compounds of Diospyros kaki leaf.The optimum absorbent for total flavonoids in Diospyros kaki leaf was decided to be DA-201.The best ratio of solid-liquor was 1∶30.The highest extraction yield of flavonoids in Diospyros kaki leaf was obtained by extracting for 21 min using 250 W microwave power.

Key words: Diospyros kaki leaf, flavonoids, microwave-assisted extraction, macroreticular resin, orthogonal factoral design

WeChat e-book chaoxing Mobile QQ