Zhao Beibei, Zhang Yan, Li Hua, Deng Jiawen, Gong Haodi, Chen Zhicheng
College of Food Science and Engineering, Henan University of Technology.
J Oleo Sci. 2020 Nov 1;69(11):1339-1347. doi: 10.5650/jos.ess19318. Epub 2020 Oct 15.
The nutritional composition and chemical properties of the Chinese highland barley bran oil were characterized in this study. The barley bran oil extracted with solvent possessed relatively high acid value and peroxide value, indicating that the oil should be further refined before using. The fatty acid composition of the oil showed that the content of unsaturated fatty acids was 80.12 g/100 g, in which the content of polyunsaturated fatty acids was as high as 60.41 g/100 g. The overall triacylglycerol profile showed that the oil contained 27 TAGs including 21 regioisomers. Major TAGs included LLL (21.08 g/100 g), PLL (19.27 g/100 g), LLO (12.24 g/100 g), and LLLn (12.17 g/100 g). The total unsaponifiable matter of the oil reached up to 10.74 g/100 g oil. The total phytosterol content reached 7.90 g/100 g oil, in which β-sitosterol was the most predominant, with the content of 5.69 g/100 g oil. Other important sterols included campesterol (1.32 g/100 g oil), lanosterol (0.70 g/100 g oil) and stigmasterol (0.19 g/100 g oil).
本研究对中国青稞麸皮油的营养成分和化学性质进行了表征。用溶剂提取的青稞麸皮油酸值和过氧化值相对较高，表明该油在使用前应进一步精炼。该油的脂肪酸组成表明，不饱和脂肪酸含量为80.12g/100g，其中多不饱和脂肪酸含量高达60.41g/100g。总体三酰甘油谱显示，该油含有27种三酰甘油，包括21种区域异构体。主要的三酰甘油包括LLL（21.08g/100g）、PLL（19.27g/100g）、LLO（12.24g/100g）和LLLn（12.17g/100g）。该油的总不皂化物含量高达10.74g/100g油。总植物甾醇含量达到7.90g/100g油，其中β-谷甾醇最为主要，含量为5.69g/100g油。其他重要的甾醇包括菜油甾醇（1.32g/100g油）、羊毛甾醇（0.70g/100g油）和豆甾醇（0.19g/doil）。 100g油）。
