Chemical characterization and associations with climatic factors in Pinggu peach: A protected geographical indication product - Yuyang Guo; Jingze Cao; Wenjie Yu; Zhuozhen Li; Xiaowei Fang; Jian Li; Xuejie Li; Fengjie Sun; Jinwang Li; Tao Liu; Xiali Guo; Fangjian Ning; et al. (Food Chemistry, 2026)