Nutritional Components and Utilization Values of Wild Rubus coreanus Fruit in Guizhou
In order to determine whether R. Coreanus can be exploitated as health fruit, the nutrient constituents of R. Coreanus fruit and apple in Guizhou were compared. The results showed that R. Coreanus fruit is rich in amino acids(6. 16 g/100 g) , essential amino acids(40. 2%) , inorganic elements, Vitamin B2(l. 3 mg/100 g ) and Vitamin E (6. 6 mg/100 g). The contents of nutrient constituents in R. Coreanus fruit are much higher than in apple. The heavy metals contents of arsenic, mercury and lead are lower than limit standard order of heavy metals in food. It is concluded that R. Coreanus fruit have high value on food and health protection, it should be exploitated as health fruit.