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Brea gum (BG) is an exudate gum obtained from the Cercidium praecox tree. It is an acidic polysaccharide, made up of 75 g/100 g of hydrolysable sugars, such as L-arabinose, D-xylose, D-glucuronic acid and 4-O-methyl-D-glucuronate. The purpose of this study was to investigate the role of BG as a structural agent in the formulation of emulsion based films. Beeswax (BW) and glycerol (Gly) were added...
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