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Sixty-seven samples of A. senegal var. senegal exudate gum, supplied by primary supplier, producer and user companies were analysed using gel permeation chromatography (GPC) coupled to a multi-angle laser light scattering detector, a refractive index detector and a UV detector operated at 214nm. A set of 5 samples were fully authenticated A. senegal var. senegal and used to provide norms against which...
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