Grape seed proanthocyanidins improves growth performance, antioxidative capacity, and intestinal microbiota in growing pigs - Zheng, Yuyang; Li, Yan; Yu, Bing; Huang, Zhiqing; Luo, Yuheng; Zheng, Ping; Mao, Xiangbing; Yu, Jie; Tan, Huize; Luo, Junqiu; Yan, Hui; He, Jun (Frontiers in Microbiology, 2024)