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Chemical and physicochemical characterizations of the water-soluble fraction of the Commiphora Africana exudate
Abstract : The present study focuses on the chemical and physical characterization of the water-soluble fraction of the Commiphora Africana exudate. The chemical analysis proved that this fraction is mainly composed of carbohydrates and hydrophobic amino acids. Size exclusion chromatography (SEC) revealed the presence of three distinct polysaccharide populations that are all bonded to protein. In addition, both SEC and rheology demonstrated that the gum owns highly compact structure that suggests an AGP-like polymer. commiphora Africana gum exhibits excellent surface activity at concentration 2 orders of magnitude lower than the reference, acacia gum and was attributed to the fact that the three populations contribute to the surface tension lowering. This remarkable property has been confirmed by preliminary experiments on model emulsions and suggests a very promising application in formulation.
Littérature citée [61 références]
https://hal-univ-lemans.archives-ouvertes.fr/hal-02181664
Contributeur : Frédéric Renou <>
Soumis le : vendredi 25 octobre 2019 - 16:53:51
Dernière modification le : vendredi 12 février 2021 - 16:42:06
Archivage à long terme le : : dimanche 26 janvier 2020 - 16:50:28
Contributeur : Frédéric Renou <>
Soumis le : vendredi 25 octobre 2019 - 16:53:51
Dernière modification le : vendredi 12 février 2021 - 16:42:06
Archivage à long terme le : : dimanche 26 janvier 2020 - 16:50:28
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Dahi et al_2019_Food Hydrocoll...
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