Structured lipids produced from palm-olein oil by interesterification: A controllable lipase-catalyzed approach in a solvent-free system

被引：25

作者：

Ai, Hongzeng ^{[1
]}

Lee, Yee-Ying ^{[2
]}

Xie, Xiaodong ^{[1
,3
]}

Tan, Chin Ping ^{[1
]}

Lai, Oi Ming ^{[1
]}

Li, Aijun ^{[1
,4
]}

Wang, Yong ^{[1
,4
]}

Zhang, Zhen ^{[1
]}

机构：

[1] Jinan Univ, Dept Food Sci & Engn, JNU UPM Int Joint Lab Plant Oil Proc & Safety, Guangzhou 510632, Guangdong, Peoples R China

[2] Monash Univ Malaysia, Sch Sci, Bandar Sunway 47500, Selangor, Malaysia

[3] Jiangxi Normal Univ, Natl R&D Ctr Freshwater Fish Proc, Nanchang 330022, Jiangxi, Peoples R China

[4] Guangdong Joint Int Res Ctr Oilseed Biorefinery Nu, Guangzhou 510632, Guangdong, Peoples R China

来源：

FOOD CHEMISTRY | 2023年 / 412卷

基金：

中国国家自然科学基金;

关键词：

Enzymatic interesterification; Isomers; Acyl migration; Physicochemical property; PERFORMANCE LIQUID-CHROMATOGRAPHY; TRIACYLGLYCEROL REGIOISOMERS; QUANTITATIVE-ANALYSIS; POSITIONAL ISOMERS; PHASE-BEHAVIOR; QUANTIFICATION; CRYSTALLIZATION; MICROSTRUCTURE; POLYMORPHISM; TRIPALMITIN;

D O I：

10.1016/j.foodchem.2023.135558

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Palm olein (POL) was modified by enzymatic interesterification with different degrees of acyl migration in a solvent-free packed bed reactor. The fatty acid and acylglycerol composition, isomer content, thermodynamic behavior, and relationship between crystal polymorphism, solid fat content (SFC), crystal microstructure, and texture before and after modification were studied. We found that the increase in sn-2 saturation interesterification was not only due to the generated tripalmitin (PPP) but also caused by acyl migration, and the SFC profiles were changed accordingly. The emergence of high melting point acylglycerols was an important factor accelerating the crystallization rate, further shortening the crystallization induction time, leading to the formation of large crystal spherulites, thereby reducing the hardness. The transformation from the beta' to the beta form occurred during post-hardening during storage. The isomer content also affected the physicochemical properties of the modified POL.

引用

页数：10

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