Proposition de classement des sources végétales d’acides gras en fonction de leur profil nutritionnel

Dubois, Virginie; Breton, Sylvie; Linder, Michel; Fanni, Jacques; Parmentier, Michel

doi:10.1051/ocl.2008.0163

Cited by 16 publications

(17 citation statements)

References 104 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Salas et al (2009) Le traitement le plus original de la question est dû à Dubois et al (2008), avec un classement des sources végé-tales d'acides gras en fonction de leur profil nutritionnel, qui, non seulement considère les quantités des acides gras individuels, mais prend également en compte l'environnement en AG, de ces majeurs, sous forme de profil AG matérialisés par des radar-plots.…”

Section: Plantes à Teneur Moyenne En Matière Grasseunclassified

“…Cet acide gras saturé à 16 atomes de carbone occupe une place particulière sur le plan nutritionnel puisqu'il est le principal constituant de l'huile de palme et il est au centre d'une vive controverse sur son effet hypercholesterolémiant (Dubois et al, 2008).…”

Section: I) Teneurs En Acide Palmitiqueunclassified

“…Toutefois, selon Dubois et al (2008), le remplacement d'un AGS par l'acide linoléique baisse le taux de LDL cholestérol.…”

Section: I) Teneurs En Acide Palmitiqueunclassified

“…Ces matières grasses sont également très demandées par les industriels pour les préparations culinaires (notamment celles des pâtes à tartiner), malgré leur réputation d'être les plus hypercholestérolémiantes de toutes (Dubois et al, 2008).…”

Section: Huiles Et Graisses Moyennement Complexesunclassified

See 3 more Smart Citations

Corps gras non conventionnels du Bassin du Congo : Caractérisation, biodiversité et qualité

Silou¹

2014

OCL

View full text Add to dashboard Cite

Résumé -Cent trente échantillons d'huiles et graisses extraites de 77 espèces oléagineuses du Bassin du Congo, appartenant à 35 familles botaniques, font l'objet de cette revue. Les familles Annonaceae, Burseraceae, Cucurbitaceae, Irvingiaceae, Mimosaceae et Palmaceae sont les mieux représentées, avec au moins cinq espèces examinées pour chacune d'elles. La teneur en matière grasse varie de 13 à 87 % avec 30 % de plantes faiblement oléagineuses, 42 % de plantes moyennement oléagineuses et 33 % de plantes fortement oléagineuses. Les matières grasses extraites de ces plantes sont essentiellement constituées des acides gras (AG) courants (C12 à C24) avec une prédominance nette des acides gras en C16 et C18. Un classement de ces matières grasses comme source de 1, 2 ou 3 acides gras majeurs a été proposé. Il distingue des huiles et graisses sources d'acides gras individuels (acides stéarique, oléique et linoléique), mais également des huiles et graisses sources des couples d'acides gras (laurique-mystique et stéarique-oléique). La situation la plus fréquente est celle du trio d'acides palmitique, oléique, linoléique, avec des teneurs individuelles en AG de l'ordre de 20 % et une teneur cumulée des trois AG au moins égale à 90 %. La représentation « radar-plots », en faisant ressortir les ressemblances et les différences entre les huiles et graisses étudiées, permet de faire un regroupement et éventuellement un classement de ces matières grasses par pôle d'intérêt. Un regroupement en fonction du profil des TAG majeurs a également été envisagé. Cette étude, qui regroupe une quantité importante de données obtenues sur une quarantaine d'années, met en évidence la grande diversité des espèces oléagineuses du Bassin du Congo et permet d'identifier, sur la base de leur composition chimique, les domaines potentiels d'utilisation des huiles et graisses examinées. Mots clés :Matières grasses / AG / TAG / Annonaceae / Burseraceae / Cucurbitaceae / Irvingiaceae / Mimosaceae / Palmaceae / biodiversité / Bassin du Congo Abstract -Fats and oils in the Congo Basin: Characterization, biodiversity and quality. hundred and thirty samples of fats and oils (extracted from 77 oilseed species, belonging to 35 botanical families and growing in the Congo Basin), are studied in this review. Annonaceae, Burseraceae, Cucurbitaceae, Irvingiaceae, Mimosaceae and Palmaceae families are best represented with at least five species examined for each. The fat content varies from 13 to 87% with 30% of low content oilseeds, 42% of medium content oilseeds and 33% of high content oilseeds. The fat extracted consist mainly of current fatty acids (C12 to C24) with a predominance of, C16 and C18 fatty acids. These fats may be classify as source of 1, 2 or 3 major fatty acids. Some of them are sources of individual fatty acids (stearic, oleic and linoleic acids), others are sources of fatty acids pairs (lauric/myristic acids and stearic/oleic acids), but the most common situation is fats as sources of three fatty acids (palmitic, oleic, linoleic acids), with...

show abstract

Section: Plantes à Teneur Moyenne En Matière Grasseunclassified

Section: I) Teneurs En Acide Palmitiqueunclassified

“…Toutefois, selon Dubois et al (2008), le remplacement d'un AGS par l'acide linoléique baisse le taux de LDL cholestérol.…”

Section: I) Teneurs En Acide Palmitiqueunclassified

Section: Huiles Et Graisses Moyennement Complexesunclassified

See 2 more Smart Citations

Corps gras non conventionnels du Bassin du Congo : Caractérisation, biodiversité et qualité

Silou¹

2014

OCL

View full text Add to dashboard Cite

show abstract

“…Dubois et al (2008) shows some natural oils divided in three groups of fatty acids. Linseed oil shows a high percentage of multiple unsaturated bindings, which is an indication of short reaction times.…”

Section: Oxidation Of Fatty Acidsmentioning

confidence: 99%

Self-sufficient sensor for oxygen detection in packaging via radio-frequency identification

Weigel

Schneider

Schmitt

et al. 2015

J. Sens. Sens. Syst.

View full text Add to dashboard Cite

Abstract.A new disposable radio-frequency identification (RFID) sensor for detecting oxygen in packages with a protective atmosphere is presented. For safety reasons and system costs in consumer packages, no battery or energy harvesting devices can be used. Each part of a package, especially in food packaging, must be completely safe even if it is swallowed. Several materials have been investigated that safely react with oxygen and thus change electrical parameters without the need of an additional energy supply. In particular linseed oil was tested, because it is known to react in oxygen-containing atmosphere from liquid to solid. Linseed oil is used not only as food but also as a key part in ecological paint coatings. A significant relative change of capacity was observed during linseed oil drying, which results in − 20 % after 5 h and −38 % after 30 h at an oxygen concentration of 20.5 and 50 % relative humidity, respectively. Pure unsaturated fatty acids were also tested in an oxygencontaining atmosphere and showed similar behaviour. The reaction speed is partially dependent on the level of unsaturation of fatty acids.The oxygen sensor is coupled with an RFID front end with an internal charge time measurement unit for capacity determination. The combination of sensor element, sensitive material and RFID allows for biocompatible and save systems that indicate the presence of oxygen within a package.

show abstract

Tunisian Pistacia atlantica Desf. Extraction Process: Impact on Chemical and Nutritional Characteristics

Salhi

Gharsallaoui²,

Gabsi

2021

Euro J Lipid Sci & Tech

View full text Add to dashboard Cite

Plant materials have been used in different fields such as therapeutics, cosmetics, and energy for ages. Several studies have investigated seeds, whether common or not, in order to ensure a better valuation of natural resources. Among these, Pistacia atlantica Desf. has been the subject of several works on its characterization and valorization. Among the current trends in sustainable development and environmental protection, valorizing natural wild plants via green chemistry has become prevalent. One of these plants, Pistacia atlantica Desf., is a tree that grows in arid and semi‐arid areas, notably in Tunisia, and produces seeds rich in oil. In this study extracting the oil from its seeds is tried by three methods (supercritical carbon dioxide (CO2), pressure, and hexane), and the efficiency of these extraction processes is compared in order to obtain the best yield and maximize its valorization in a variety of industrial fields. The obtained oil is found to be rich in polyunsaturated fatty acids, namely linoleic and oleic acids, with a similar acidic composition among all extraction methods. The tocopherol composition of the oil is determined using high performance liquid chromatography. The total polyphenol content is determined using the Folin‐Ciocalteu colorimetric analysis method. The results show that the seed oil of Pistacia atlantica Desf. extracted by supercritical CO2 gives the highest extraction yield (25%) and the lowest acidity and peroxide values with a high degree of oxidation at 232 and 270 nm. This method also gives the highest content of alpha, gamma, and delta tocopherol as well as total phenolic content compared to the other extraction methods. The composition of chlorophylls and carotenes in the seed oil of Pistacia atlantica Desf. is determined. Besides, the analysis of the sterol composition reveals that β‐sitosterol is still prevailing. Among all the tested extracts, the supercritical CO2 extract demonstrates the best antioxidant performance against the tested radicals. The oil extracted by supercritical carbon dioxide (CO2) is of a higher quality compared to that extracted by pressure and by hexane. Practical applications: The Pistacia atlantica Desf. oil exhibits interesting physicochemical and biological characteristics. The type of extraction affects the quality of the major and minor components in the seeds. However, the supercritical CO2 method produces a better oil quality with the presence of antioxidants such as tocopherols and polyphenols. In fact, it is found that the oil extracted by the three methods has an important sterolic profile with the predominance of β‐sitosterol. According to the classification of vegetable oils, unsaturated fatty acids of atlas pistachio oil can be categorized as oleo linoleic oil, which enhances its nutritional value. Having these characteristics, the use of this oil can be considered in agrifood products.

show abstract

Proposition de classement des sources végétales d’acides gras en fonction de leur profil nutritionnel

Cited by 16 publications

References 104 publications

Corps gras non conventionnels du Bassin du Congo : Caractérisation, biodiversité et qualité

Corps gras non conventionnels du Bassin du Congo : Caractérisation, biodiversité et qualité

Self-sufficient sensor for oxygen detection in packaging via radio-frequency identification

Tunisian Pistacia atlantica Desf. Extraction Process: Impact on Chemical and Nutritional Characteristics

Contact Info

Product

Resources

About