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Brea gum (BG), which is an exudate from Cercidium praecox tree, was purified and subjected to thermal treatment at 110 °C during different times: 24, 48, 72 and 96 h. Treatment effect was evaluated by analyzing the molecular mass distribution of proteins and polysaccharides, by color and spectrophotometric analyses and by an emulsifying test.BG thermal treated presented changes in the molecular mass...
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