Research on tannins and flavonoid from the flower petals of Paeonia suffruticosa Andr. cv. Fengdan
YAN Hui-jiao, WANG Zhi-wei, CHEN Yan-ping,JIANG Jiao-Jiao, CUI Li, GENG Yan-ling, WANG Xiao
SHANDONG SCIENCE . 2017, (3): 12 -16 .  DOI: 10.3976/j.issn.1002-4026.2017.03.003