Physicochemical properties and component of Chinese waxgourd seed oil
The physicochemical properties and component of Chinese waxgourd seed oil were analyzed.The results showed that the oil content of Chinese waxgourd seed and acid value,iodine value,peroxide value,K232 and K270 of Chinese waxgourd seed oil were 32％,1.43 mgKOH/g,106.4 gI/100 g,4.81 mmol/kg,0.36 and 0.44,respectively.UV-Vis results indicated that the Chinese waxgourd seed oil had certain absorbance in the range of 290-400 nm.Infrared spectrum results showed that Chinese waxgourd seed oil had the characteristic absorption peaks similar with sunflower seed oil.Differential scanning calorimetry(DSC) results indicated that Chinese waxgourd seed oil had high melting temperature compared with oil sample with high content of unsaturated fatty acids.Thermal gravity analysis (TGA) results indicated that the peak temperature of decomposition of Chinese waxgourd seed oil was similar to olive oil in air atmosphere.Fifteen kinds of fatty acids were detected in Chinese waxgourd seed oil,the main fatty acids were linoleic acid,palmitic acid,stearic acid and oleic acid,and the content of unsaturated fatty acids reached 53.11％.The contents of α-VE,chlorophyll and carotenoid in Chinese waxgourd seed oil were 65.2,1.11 mg/kg and 1.20 mg/kg,respectively.
Chinese waxgourd seed oilphysicochemical propertyfatty acidnutrient
NETL
NSTL
万方数据
维普
