1. Shandong Provincial Engineering and Technology Research Center for Wild Plant Resources Development and Application of Yellow River Delta, College of Biological and Environmental Engineering, Binzhou University , Binzhou , China
2. College of food science and engineering, Gansu Agricultural University , Lanzhou , China
3. College of Enology, Northwest A&F University , Yangling , China
4. Shaanxi Engineering Research Center for Viti-Viniculture , Yangling , China