Collagen hydrolysates from deer tendon: Preparation assisted with different ultrasound pretreatment times and promotion in MC3T3-E1 cell proliferation and antioxidant activities

Xin Xu, Dan Ohtan Wang, Jiahui Li, Xinglin Zeng, Zhiyi Zhang, Junlong Zhu, Guoyan Liu, Jixian Zhang, Li Liang, Xiaofang Liu, Youdong Li, Chaoting Wen