Analysis on the routine nutritive components contents and proanthocynaidins of vitis quinquangularis Rehd.

The proanthocynaidins and routine nutritive components contained in Vitis quinquangularis Rehd. Were determined, gathered from Heng mountain Hu-nan province. The results showed that: A good linear correlation was found in the range of 0～0.4 mg/L of proanthocynaidins, the proanthocynaidins content of Vitis quinquangularis Rehd. seeds and Vitis quinquangularis Rehd. peel were 85.54 mg/g and 68.75 mg/g. The contents of routine nutritive components in the fresh Vitis quinquangularis Rehd. were as follows: 0.9% of protein, 2.6% of crude fat,6.9% of crude fiber, 2.0% of ash, 100.88 mg/100 g of vitamin C, 10.57% of reducing sugar, 78.0% of water, 4.68mg/g of Ca, K of 1.05 mg/g, 0.757 mg/g of Mg, 0.103 mg/g of Fe, 42.70 mg/100 g of linoleic acid, 452.37 mg/100 g of linolenic acid, 2 025.44 mg/100 g of oleic acid,705.23 mg/100 g of palmitic acid, 711.6 mg/100 g of His, 496.9 mg/100 g of Thr, 542.8 mg/100 g of Val, 60.9 mg/100 g of Met, 287.2 mg/100 g of Lys, 272.0 mg/100 g of Ile, 76.6 mg/100 g of Leu, 216.2 mg/100 g of Phe, 254.7 mg/100 g of Try. The determination showed that there were differences in contents of proanthocynaidins contents and nutritive components among other varieties.