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Emulsifying properties of Acacia senegal gum: Impact of high molar mass protein-rich AGPs.


ABSTRACT: The impact of high molar mass protein-rich arabinogalactan-proteins (AGPs) on emulsifying properties of Acacia senegal gums were studied using reconstituted gums obtained with two distinct fractions: one containing these specific high molar mass AGPs and the other protein-poor low molar mass AGPs. To produce and stabilize limonene emulsions, the experimental design emphasized not only the role of high molar mass protein-rich AGPs, but also the importance of high total concentration. At low protein contents, reconstituted gums required a slightly higher content in high molar mass protein-rich AGPs than original A. senegal gum, that confirmed the role of low molar mass protein-rich AGPs in the adsorption at interfaces. The comparison of the creaming index between original and reconstituted gums as well as the monitoring of instability phenomena by turbiscan up to 30 days clearly demonstrated the prevalent impact of the bulk apparent viscosity in the long-term stability of emulsions.

SUBMITTER: Aphibanthammakit C 

PROVIDER: S-EPMC7214827 | biostudies-literature | 2020 Jun

REPOSITORIES: biostudies-literature

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Emulsifying properties of Acacia <i>senegal</i> gum: Impact of high molar mass protein-rich AGPs.

Aphibanthammakit Chutima C   Barbar Reine R   Nigen Michaël M   Sanchez Christian C   Chalier Pascale P  

Food chemistry: X 20200428


The impact of high molar mass protein-rich arabinogalactan-proteins (AGPs) on emulsifying properties of Acacia <i>senegal</i> gums were studied using reconstituted gums obtained with two distinct fractions: one containing these specific high molar mass AGPs and the other protein-poor low molar mass AGPs. To produce and stabilize limonene emulsions, the experimental design emphasized not only the role of high molar mass protein-rich AGPs, but also the importance of high total concentration. At lo  ...[more]

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