An integrated approach to reveal the chemical changes of Ligustri Lucidi Fructus
during wine steaming processing
Zhanpeng Shang, Lulu Xu, Yaqun Zhang, Min Ye ⁎, Xue Qiao ⁎
State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191, China



2.1. Chemicals and reagents
The reference standards, including quinic acid (1), loganic acid (3),
hydroxytyrosol (6), salidroside (8), tyrosol (15), vicenin (28), echinacoside (36), rutin (51), luteoloside (63), acetoside (66), specneuzhenide
(70), apigenin-7-O-glucoside (75), oleuropein (83), nuezhenoside G13
(90), luteolin (95), and oleanolic acid (104), were purchased from Chengdu DeSiTe Biological Technology Co., Ltd (Chengdu, China) (Fig.
2).(成都德思特生物技术有限公司)