Ultrasonic-assisted Two-phase Aqueous Extraction of Total Polyphenols from the Shoot of Geum japonicum Thunb. var. chinense F. Bolle
OUYANG Yu-zhu，ZHANG Ci-hai，XUE Hui，WU Dao-hong
FOOD SCIENCE . 2011, (16): 89 -92 .  DOI: 10.7506/spkx1002-6630-201116019