Separation and purification of total flavonids of grape seedswith ethanol /ammonium sulphate aqueous two-phase system
ZHANG Xi-feng, YANG Chun-hui, LUO Guang-hong
Food and Fermentation Industries . 2013, (10): 254 -258 .  DOI: 10.13995/j.cnki.11-1802/ts.2013.10.021