Minor iridoid glycosides from the fruits of Cornus officinalis Sieb. et Zucc. and their anti-diabetic bioactivities

Zhi‐You Hao, Xiaolan Wang, Meng Yang, Bing Cao, Mengnan Zeng, Shi‐Qi Zhou, Meng Li, Yan-Gang Cao, Shuangshuang Xie, Xiaoke Zheng, Weisheng Feng