Effect of Industrial Chemical Refining on the Physicochemical Properties and the Bioactive Minor Components of Peanut Oil
文献类型: 外文期刊
第一作者: Zhu, Minghui
作者: Zhu, Minghui;Wen, Xin;Liu, Fang;Ni, Yuanying;Ma, Liyan;Li, Jingming;Zhu, Minghui;Wen, Xin;Liu, Fang;Ni, Yuanying;Zhu, Minghui;Wen, Xin;Liu, Fang;Ni, Yuanying;Zhao, Jinhong
作者机构:
关键词: Peanut oil;Physicochemical properties;Fatty acid composition;Squalene;Phytosterols;Tocopherols and tocotrienols
期刊名称:JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY ( 影响因子:1.849; 五年影响因子:2.299 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: The effect of the industrial chemical refining process on the physicochemical properties, fatty acid composition, and bioactive minor components of peanut oil was studied. The results showed that the moisture and volatile matter content, acid value, peroxide value, and p-anisidine value were significantly changed (P < 0.05) after the complete refining process. No significant variation (P > 0.05) in the iodine value was observed among all the peanut oil samples. Similar changes were observed in the DPPH radical scavenging activity and the total tocol content during chemical refining. In addition, chemical refining did not have much effect on the fatty acid composition, except for certain changes of several individual fatty acids. Moreover, the chemical refining resulted in 23.6, 23.1, and 9.5 % losses of squalene, total phytosterols, and total tocols (alpha, beta, gamma, delta-tocopherols and alpha, beta, gamma, delta-tocotrienols), respectively. The degumming-neutralization step caused the greatest overall reduction of these bioactive minor components. However, the concentrations of alpha-tocotrienol and gamma-tocotrienol increased after full refining. Furthermore, chemical refining slightly changed the relative proportions of individual phytosterols and individual tocols.
分类号: O62
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