Comparative analysis of graded blends of palm kernel oil, palm kernel stearin and palm stearin

被引：37
作者：
Liu, Chunhuan [1 ]
Meng, Zong [1 ]
Chai, Xiuhang [1 ]
Liang, Xinyu [2 ]
Piatko, Michael [3 ]
Campbell, Shawn [3 ]
Liu, Yuanfa [1 ]
机构：
[1] Jiangnan Univ, Collaborat Innovat Ctr Food Safety & Qual Control, Natl Engn Lab Cereal Fermentat Technol,State Key, Sch Food Sci & Technol,Natl Engn Res Ctr Funct Fo, 1800 Lihu Rd, Wuxi 214122, Jiangsu, Peoples R China
[2] Rich Prod Corp, 75 Suhong West Rd, Suzhou 21520, Jiangsu, Peoples R China
[3] Rich Prod Corp, One Robert Rich Way, Buffalo, NY 14213 USA
来源：
FOOD CHEMISTRY | 2019年 / 286卷
基金：
中国国家自然科学基金;
关键词：
Binary blends; Ternary blends; Solid fat content; Iso-solid diagram; Thermal properties; Polymorphism; MANGO SEED FAT; COCOA BUTTER REPLACERS; MILK-FAT; MID-FRACTION; HYDROGENATED COCONUT; PHASE-BEHAVIOR; OLEIN BLENDS; HARD FATS; CRYSTALLIZATION; MICROSTRUCTURE;
D O I：
10.1016/j.foodchem.2019.02.067
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A comprehensive analysis of graded binary and ternary blends of palm kernel oil (PKO), palm kernel stearin (PKS) and palm stearin (POs) was conducted, including solid fat content, iso-solid diagram, thermal properties, polymorphism and microstructure. Both PKO/POs and PKS/POs blends showed eutectic behavior. While PKO/PKS blends displayed good compatibility and only slightly monotectic effect at high temperature (above 30 degrees C). POs addition elevated binary phase transition temperature and accelerated the beta crystal formation. PKO/POs and PKS/POs binaries showed beta' polymorphism, beta and beta' polymorphism, and beta polymorphism with different POs additions, while all of PKO/PKS blends showed beta' polymorphism. Ternary blends (PKO/PKS/POs) showed eutectic effects, especially at high temperature (25 and 30 degrees C). POs addition made ternary blends undergo a polymorphism transformation from beta' to beta. Our findings open up the possibility of non-hydrogenated fat products as well as develop specific food formulations.
引用
收藏
页码：636 / 643
页数：8
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