Fatty acid, triglyceride, and kinetic properties of milk fat fractions made by the combination of dry fractionation and short-path molecular distillation
文献类型: 外文期刊
第一作者: Zhu, Huiquan
作者: Zhu, Huiquan;Si, Xin;Wang, Yunna;Zhu, Panpan;Pang, Xiaoyang;Wang, Xiaodan;Zhang, Shuwen;Lv, Jiaping;Zhu, Huiquan;Fauconnier, Marie-Laure;Si, Xin;Zhu, Panpan;Ju, Ning
作者机构:
关键词: dry fractionation; short-path molecular distillation; milk fat; physicochemical property
期刊名称:JOURNAL OF DAIRY SCIENCE ( 影响因子:3.5; 五年影响因子:4.2 )
ISSN: 0022-0302
年卷期: 2023 年 106 卷 10 期
页码:
收录情况: SCI
摘要: In this study, we aimed to detect the physicochemical properties of distilled products (residue and distillate) obtained from anhydrous milk fat (AMF) and its dry fractionation products (liquid and solid fractions at 25 degrees C [25 L and 25 S]). The results showed that the saturated fatty acids and low-and medium molecular-weight triglycerides were easily accumulated in the distillate, and the percentage of unsaturated fatty acid and high molecular-weight triglycerides in the residue were higher, and these components in 25 S and 25 L were influenced more significantly than those in the AMF. In addition, the distillate had larger melting ranges in comparison with the distilled substrate, while the melting ranges of residue was smaller. The triglycerides were presented as the mixture crystal forms (alpha, beta', and beta crystal) in 25 S, AMF, and their distilling products, and it was transformed gradually to a single form as the increasing of distilling temperature. Moreover, the accumulated pattern of triglycerides was double chain length in 25 S, AMF, and their distilling products. These results provide a new approach to obtain the milk fat fractions with different properties, and the findings of this study enrich the theoretical basis of milk fat separation in practical production.
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