沙棘果的营养成分 GC . A STUDY ON NUTRITIONAL COMPOSITION OF THE FRUIT OF HIPPOPHAE RHAMNOIDES

Abstract

The fruit of Hippophae rhamnoides is drupe-like with a diameter of 0.50m. It is red or yellow in colour and lustred on the pericarp. The pericarp, juice and seeds of the fruit account for 7.9%, 81.9% and 10.2% separately. The juice contains many kinds of organic acids 3.9% in total, which include 1.97% of malic acid, 0.69% of tartar acid, 0.45% of citric acid, 0.32% of ascorbic acid, 0.28% of succinic acid and 0.18% of oxalic acid. In addition, it also contains 0.9% of crude protein and eight kinds of essential amino acid necessary to the human body, as well as extremely plentiful vitamin such as VB2, VC, VE and carotene etc. The pericarp can be used to extract pigment. The seeds contain 9.02% of oil in which the saturated and non-saturated fatty acids are in the ratio of 1 to 5.2, and the seed residue after oil extracting still holds 26.06% of crude protein. The oil also contains as much as 350.8 mg/kg of vitamin E.