Research on the Cultivated Varieties of Castanea henryi

The cultivated varieties of Castanea henryi were investigated in Jianou City of Fujian Province,the main production area of C. henryi in China. The 5 cultivars of large-size nut type of C. henryi(i.e.Wukezhangmang、Wenyanghong、Zhangmangzi and so on)contain 70～101 nuts/kg and 8 cultivars of mid size nut type with 102～135 nuts/kg. The nutrient components of starch,protein,sugar and amino acid were analysed for the first time,and showed greater differences among the cultivated varieties. The cultivated varieties of the highest nutrient content were Maisaizi,Zhangmangzi and Wukezhangmang,and their content of protein,sugar and amino acid were more than 9.9%、17.8% and 6.1% respectively.