Flavor characterization of aged Citri Reticulatae Pericarpium from core regions: An integrative approach utilizing GC-IMS, GC–MS, E-nose, E-tongue, and chemometrics - Haocheng Liu; Manqin Fu; Jijun Wu; Yuanshan Yu; Weili Si; Yujuan Xu; Jiguo Yang (Food Chemistry, 2025)