Optimizing the extraction of tea polyphenols and theanine from summer green tea by using response surface methodology
张鑫1，朱世桂2，续斐1，孙怡1，胡冰1，曾晓雄1,*
FOOD SCIENCE . 2013, (6): 77 -82 .  DOI: 10.7506/spkx1002-6630-201306017