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Brazilian nuts, almonds, cashews, pine nuts, macadamia nuts are nutritious sources of protein, amino acids and minerals. Almonds, are rich in iron, calcium and vitamin E, cashews are rich in vitamin A, and peanuts offer zinc. Walnuts, flax seeds and hemp seeds are high in omega-3 fatty acids like oily fishes.
A protein-based stabilizer and a preparation method and application thereof
This invention discloses a protein-based stabilizer, its preparation method, and its application, relating to the field of food science and technology. The stabilizer comprises a complex formed by covalent cross-linking of tiger nut protein (CEP) and whey protein isolate (WPI); wherein the covalent cross-linking is catalyzed by transglutaminase (TGase); the complex comprises 10%–50% tiger nut protein by weight. Experimental results show that the stabilizer, when applied to the preparation of Pickering emulsion, can significantly improve its freeze-thaw stability. Furthermore, when the Pickering emulsion is applied to the preparation of ice cream, it can reduce the peak ice crystallization temperature, decrease bubble size, increase overrun, and improve its freeze-thaw resistance and structural integrity. Therefore, this invention provides an efficient, simple, and natural strategy for improving the stability of complex frozen multiphase systems, and has broad application value in the frozen food field.
Owner:GUANGDONG YANTANG DAIRY