Biochemistry and Molecular Biology of Lipid Metabolism in Oil Crops

A special issue of Agriculture (ISSN 2077-0472). This special issue belongs to the section "Agricultural Product Quality and Safety".

Deadline for manuscript submissions: closed (20 November 2022) | Viewed by 4161

Special Issue Editor


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Guest Editor
Departamento de Bioquímica Vegetal y Biología Molecular, Universidad de Sevilla, Avda. Reina Mercedes, s/n. 41012 Sevilla, Spain
Interests: vegetable oil; triacylglycerol; plant biochemistry; plant molecular biology; oil production; oil quality
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Special Issue Information

Dear Colleagues,

Acyl lipids, mainly in the form of triacylglycerol, accumulate in oil plants as an important energy store to fuel seed germination and seedling growth or to attract animals that serve to disseminate the seeds in the case of oil fruits. These plant triacylglycerols, commonly known as vegetable oils, supply an important quantity of dietary calories to the developed world. Furthermore, the world demand for vegetables oils is increasingly rapidly, not only for their use in food, but also as fuel and as renewable biomaterials in other applications. In fact, replacing half of the fossil fuels used in the chemical industry with renewable plant oils, without compromising the supply of vegetable oils for the food sector, implies a considerable increase in the global production of vegetable oils. To achieve this goal, knowledge of the underlying molecular biology and biochemistry of the metabolism of plant storage compounds is essential to increase the yield and alter the fatty acid composition of vegetable oils as well as to enable the development of new and more productive oil crops.

Based on this challenge, this Special Issue focuses on the study of lipid metabolism from a molecular and biochemical point of view with two main objectives: first, significant increases in the plant oil production capacity; second, improvements in the quality of vegetable oils by modifying their composition. All types of articles, such as original research, short communications, and reviews are welcome.

Dr. M. Luisa Hernández
Guest Editor

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Keywords

  • vegetable oil
  • triacylglycerol
  • plant biochemistry
  • plant molecular biology
  • oil production
  • oil quality

Published Papers (1 paper)

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Research

11 pages, 882 KiB  
Article
Relationship between Antioxidant Components and Oxidative Stability of Peanut Oils as Affected by Roasting Temperatures
by Jhih-Ying Ciou, Hsin-Chun Chen, Chih-Wei Chen and Kai-Min Yang
Agriculture 2021, 11(4), 300; https://doi.org/10.3390/agriculture11040300 - 31 Mar 2021
Cited by 14 | Viewed by 3477
Abstract
The study sought to investigate the effect of roasting temperatures on antioxidant components and oxidative stability of peanut oils. The total phenolic content, total flavonoid content, α–tocopherol content, and phytosterol content in peanut oils was influenced by roasting at temperatures of 120 °C, [...] Read more.
The study sought to investigate the effect of roasting temperatures on antioxidant components and oxidative stability of peanut oils. The total phenolic content, total flavonoid content, α–tocopherol content, and phytosterol content in peanut oils was influenced by roasting at temperatures of 120 °C, 140 °C, and 160 °C, while those roasting temperatures had no effect on the fatty acid profile and γ–tocopherol content of peanut oils. Roasting promotes the quality of peanut oil aroma via the Maillard reaction, particularly when it is derived from N–heterocyclic compounds (such as pyrazine and pyrrole). The oxidative stability of peanut oils was investigated using the Rancimat method, and the results show that there is a linear relationship between roasting and natural logarithm of the induction period (R2: 0.959~0.998). This was determined based on the Arrhenius equation, which indicated the activation energy (Ea) was in the range of 82.08~108.61 kJ/mol. In principal component analysis (PCA) analysis, the antioxidant stability of the increase levels of phenols released in the peanut oils was found to rise with the increment of roasting temperatures. The data obtained in this study should be confirmed as the nutritional benefits of peanut oils that will be most appealing to consumers. Full article
(This article belongs to the Special Issue Biochemistry and Molecular Biology of Lipid Metabolism in Oil Crops)
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