New Crops Source of Healthy Edible Oil and Processes

A special issue of Life (ISSN 2075-1729). This special issue belongs to the section "Plant Science".

Deadline for manuscript submissions: closed (19 January 2024) | Viewed by 2566

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Guest Editor
1. Agro-Industrial Chemistry Laboratory (LCA), University of Toulouse, 31030 Toulouse, France
2. Biological Engineering Department, Paul Sabatier University, 32000 Auch, France
Interests: cereals; oilseed crop; plant physiology; plant breeding; abiotic stress; bioactives accumulation
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Special Issue Information

Dear Colleagues,

Recent conflicts around the world have emphasized the vulnerability of the oil market and therefore human alimentation. Moreover, the climatic conditions (i.e., drought and high temperatures) of the current year have affected the production of oil crops. This situation has highlighted our dependence on a few of the world's dominant oil-producing species. Indeed, more than 95% of the produced oil around the world is extracted from four oilseed species. It appears important and necessary to identify, evaluate, and produce other oil plant species in order to diversify the secure sources of vegetable oil. It is important to meet the dietary needs of a growing world population. These needs are also influenced by the development of new functional foods and nutraceuticals. However, there is also a demand for oils that have a positive impact on human health and whose production is environmentally friendly. Numerous studies have shed light on the chemical composition of oils and their interest in preventing cardiovascular diseases or reducing the risk of neurodegenerative diseases. The present Special Issue aims to explore a large panel of potential new plant sources (including algae) with edible oil or with a specific fatty acid composition, new extraction methods and processes, agricultural production and its impact on the environment, and effects on human health. This Special Issue deals with the description of new sources (non-domesticated plants, forgotten species and cultivars, species not used thus far for their oil, etc.) of oil for their content of major and minor lipids of interest for human health, the screening of old plant resources or the development of new cultivars, the modification of lipid biosynthesis pathways, the transformation processes of raw materials, and cultivation according to a sustainable agriculture mode.

Dr. Othmane Merah
Guest Editor

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Keywords

  • screening of plant germplasms
  • neglected or non-domesticated species for oil production
  • new cultivar breeding
  • genetic control of lipids
  • lipid biosynthesis pathway
  • lipid metabolism in plants and algae
  • genetic transformation
  • agricultural practices
  • algae
  • industrial processing of by-products
  • oil extraction and processing
  • chemical analyses of oils
  • economic and societal acceptability

Published Papers (1 paper)

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Research

20 pages, 2330 KiB  
Article
The Essential Oil of Tunisian Halophyte Lobularia maritima: A Natural Food Preservative Agent of Ground Beef Meat
by Boutheina Ben Akacha, Jaroslava Švarc-Gajić, Khaoula Elhadef, Rania Ben Saad, Faiçal Brini, Wissem Mnif, Slim Smaoui and Anis Ben Hsouna
Life 2022, 12(10), 1571; https://0-doi-org.brum.beds.ac.uk/10.3390/life12101571 - 10 Oct 2022
Cited by 19 | Viewed by 2082
Abstract
This study was directed towards the investigation of the chemical composition and antimicrobial properties of the essential oil of Tunisian halophyte Lobularia maritime (LmEO). The antibacterial effects against major food-borne pathogenic and food spoilage bacteria were tested using the well diffusion [...] Read more.
This study was directed towards the investigation of the chemical composition and antimicrobial properties of the essential oil of Tunisian halophyte Lobularia maritime (LmEO). The antibacterial effects against major food-borne pathogenic and food spoilage bacteria were tested using the well diffusion method, followed by the determination of the minimum inhibitory (MIC) and bactericidal (MBC) concentrations. The essential oil has shown strong antimicrobial activity against eight pathogenic strains, which was attributed mostly to predominant constituents of the essential oil: benzyl alcohol, linalool, terpien-4-ol and globulol, as well as to synergistic effects of its major and minor constituents. Considering strong antimicrobial effects of the tested essential oil, it was further tested as a natural alternative to food preservatives, using minced beef meat as a model system. Minced beef meat was spiked with 0.019, 0.038, and 0.076% of the essential oil and stored during 14 days at 4 °C, monitoring its microbiological, physicochemical, and sensory properties. Chemical analyses revealed that meat treated with 0.076% of LmEO at underwent a significant decrease (p < 0.05) in primary and secondary lipid oxidation and reduced metmyoglobin accumulation compared with control samples. Furthermore, microflora proliferation in the meat model system spiked with 0.076% of LmEO was significantly (p < 0.05) reduced in comparison to control. In addition, two multivariate exploratory techniques, namely principal component analysis (PCA) and hierarchical analysis (HCA), were applied to the obtained data sets to describe the relationship between the main characteristics of the meat samples with and without essential oil addition. The chemometric approach highlighted the relationships between meat quality parameters. Overall, results indicated that the essential oil of Lobularia maritima deserves to be considered as a natural preservative in the meat industry. Full article
(This article belongs to the Special Issue New Crops Source of Healthy Edible Oil and Processes)
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