Nutritional and Health Values of Tunisian Edible Oils from Less-Used Plant Sources

The reclaim of less-used plant sources is a novel approach to the growing demand for healthy and eco-friendly foods, and it constitutes a sustainable alternative to replace conventional food ingredients and sources of bioactives. In this work, a phytochemical profile in terms of mineral elements, to...

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Published in:Agriculture (Basel) Vol. 13; no. 5; p. 1096
Main Authors: Vadalà, Rossella, Nava, Vincenzo, Turco, Vincenzo Lo, Potortì, Angela Giorgia, Costa, Rosaria, Rando, Rossana, Ben Mansour, Hedi, Ben Amor, Nawres, Beltifa, Asma, Santini, Antonello, Di Bella, Giuseppa
Format: Journal Article
Language:English
Published: Basel MDPI AG 01.05.2023
Subjects:
Agribusiness
Biological activity
By products
Cold
Edible oils
Environmental stewardship
Fatty acids
Food
Food sources
Fruits
Functional foods & nutraceuticals
Human nutrition
less-used plant sources
Life sciences
nutritional value
Nutritive value
Nuts
Oils & fats
Pharmaceutical industry
phytochemical profile
Phytochemicals
Polyphenols
Pumpkins
Raw materials
recovery
Seeds
Squalene
Sterols
Sustainable development
sustainable food
Temperature
Tocopherol
Vegetable oils
Wheat germ
Tunisia
Germany
Italy
United States > US
ISSN:2077-0472, 2077-0472
Online Access:Get full text
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Summary:The reclaim of less-used plant sources is a novel approach to the growing demand for healthy and eco-friendly foods, and it constitutes a sustainable alternative to replace conventional food ingredients and sources of bioactives. In this work, a phytochemical profile in terms of mineral elements, total polyphenols, fatty acids, α-tocopherol, sterols, and squalene was realized for several commercial edible oils of bitter almond, pumpkin seed, apricot kernel, nigella, souchet, and wheat germ sourced in the Tunisian market. Wheat germ oil, which showed the most significant nutritional and healthy impact, contained the highest contents of Mg (52.37 mg kg−1); Na (40.75 mg kg−1); Mn (2.39 mg kg−1); total sterols (1713.80 mg/100 g); and PUFAs (61.01%). The high levels of squalene detected on pumpkin seed oils (1160.01 mg kg−1) allows to proposet it as valuable functional food. The highest total polyphenolic content found in nigella oils (109.01 mg GAE kg−1) justifies its stability and antioxidant properties. A daily consumption of 10 g of bitter almond or souchet oil contributes to a 17.53% and 8.6% alpha-tocopherol daily intake, respectively. The usual consumption of these minor oils may represent a sustainable and convenient source of bioactives with beneficial effects on both human health and nutrition.
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ISSN:2077-0472
2077-0472
DOI:10.3390/agriculture13051096