Alpha-ketoglutaric acid alleviates litchi fruit browning and senescence via enhancing antioxidant capacity and energy homeostasis - Yuemin Yang; Rufang Deng; Mengting Liu; Xinguo Su; Yueming Jiang; Xuewu Duan; Guoxiang Jiang; Ting Li (Postharvest Biology and Technology, 2026)