Chemical constituents from Xanthii Fructus Optimization of processing technology for Xanthii Fructus by UPLC fingerprint technique and contents of toxicity ingredient Advances in studies on adverse effects of Xanthii Fructus Advances in studies on adverse effects of Xanthii Fructus Herbal textural research on species of Xanthii Fructus Improvement of different processing technologies of Xanthii Fructus