Stable isotope and elemental profiles determine geographical origin of saffron from China and Iran

Jing Nie, Jian Yang, Cuiling Liu, Chunlin Li, Shengzhi Shao, Chunxia Yao, Bi‐Lian Chen, Yi Tao, Fang Wang, Yongzhi Zhang, Karyne M. Rogers, Ping Wang, Yuwei Yuan