Abstract
Cashew nuts can induce severe allergic reactions in some allergic individuals. In this work, the solubility, structure and IgE-binding capacity of cashew proteins roasted for different durations were compared. The solubility of cashew nut proteins decreased after roasting. Ana o 3 and Ana o 2 was more thermally stable than Ana o 1. The analysis of the structure of cashew extracts by Fourier transform infrared spectroscopy and environmental scanning electron microscopy demonstrated that roasting reduced the contents of β-sheet and β-turn and led to the unfolding and aggregation of cashew protein. The IgE-binding capacity of cashew protein extracts seemed to decrease with the extension of roasting time.
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