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Molecular Insights into Functional Lipids in Food Chemistry

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Food Chemistry".

Deadline for manuscript submissions: 30 November 2025 | Viewed by 660

Special Issue Editors

School of Food Science and Technology, Jiangnan University, No. 1800 Lihu Avenue, Wuxi 214122, China
Interests: specialty fats; whipping cream; food emulsion; chocolate; esterification
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Guest Editor Assistant
College of Food Science and Engineering, Northwest A&F University, Xianyang 712100, China
Interests: structured lipid; antioxidant; chemical analysis; biotechnology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Functional lipids not only provide energy but also have nutritional value and play an important role in staying healthy and managing chronic diseases. Functional fats are generally divided into three categories: glycerides (e.g., medium-carbon-chain triglycerides, and diglycerols), fatty acids and their esters (e.g., docosahexaenoic acid, eicosapentaenoic acid, and conjugated linoleic acid), and lipoids (e.g., sterol esters). They are widely used in the manufacture of healthy foods for infants, children, adolescents, and older people, as well as foods for special medical purposes. Enzymatic synthesis, efficient purification, and precise qualitative and quantitative analyses are necessary in the production of functional lipophilic molecules, and their effects in improving food quality can also be improved.

Dr. Jun Jin
Guest Editor

Dr. Siyu Zhang
Guest Editor Assistant

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Keywords

  • structured lipid
  • synthesis
  • crystallization
  • fatty acid
  • glyceride
 

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Published Papers (1 paper)

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Research

13 pages, 8594 KiB  
Article
Enzymatic Esterification of Functional Lipids for Specialty Fats: 1,3-Dipalmitoylglycerol and 1,3-Distearoylglycerol
by Yuhuang Yang, Juanjuan Chi, Shengyuan Wang, Abdelaziz Elbarbary, Yafei Zhang and Jun Jin
Molecules 2025, 30(6), 1328; https://doi.org/10.3390/molecules30061328 - 16 Mar 2025
Viewed by 544
Abstract
High-melting point 1,3-diacylglycerols not only provide health benefits, but are also suitable for manufacture of foods containing various specialty fats. It is difficult to prepare such high-melting point diacylglycerols, as the activities of specific enzymes will severely reduce at their melting points. In [...] Read more.
High-melting point 1,3-diacylglycerols not only provide health benefits, but are also suitable for manufacture of foods containing various specialty fats. It is difficult to prepare such high-melting point diacylglycerols, as the activities of specific enzymes will severely reduce at their melting points. In the present study, a combined technique was developed to prepare 1,3-dipalmitoylglycerol (1,3-DPG) and 1,3-distearoylglycerol (1,3-DSG) using selective esterification, molecular distillation, and solvent fractionation. Lipozyme TL IM was suitable for use as the optimal enzyme to maintain relatively high activity levels at esterification temperatures of 73–75 °C. 1,3-DAG/(DAG + TAG) was selected as the most important index to monitor the esterification and to evaluate the synthesized fats. The obtained 1,3-DPG and 1,3-DSG showed high purities, at more than 83%, and possessed hard attributes at room temperature. Both 1,3-DPG and 1,3-DSG exhibited fat crystals with β′ and β crystals. Needle-like and rod-like crystals were observed at 5–25 °C for 1,3-DPG, and closely packed feather-like crystals were found at 5–20 °C for 1,3-DSG, indicating their multiple abilities in modifying the crystallization stabilization of the fat matrix during food processing. Full article
(This article belongs to the Special Issue Molecular Insights into Functional Lipids in Food Chemistry)
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