Optimization of extraction process and determination of total flavonoids in Hypericum japonicum Thumb.
WU Bing, MO Ting-ting, LU Mei-yuan, ZENG Chao, ZHAO Feng-xian
HUBEI AGRICULTURAL SCIENCES . 2021, (3): 116 -119 .  DOI: 10.14088/j.cnki.issn0439-8114.2021.03.022