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    Phycocyanin as substitute for texture ingredients in ice creams

    Year: 2019

    Journal: Br. Food J., Volume 122, DEC 6, page 693–707

    Authors: Rodrigues, Ellen Francine; Vendruscolo, Luana Paula; Bonfante, Kimberly; Reinehr, Christian Oliveira; Colla, Eliane; Colla, Luciane Maria

    Organizations: National Council for Scientific and Technological Development (CNPq)Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPQ); Coordination of Improvement of Higher Education Personnel (CAPES) FoundationCoordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES) [001]

    Keywords: Fat; Ice cream; Emulsification index; Emulsifier; Phycocyanin; Stabilizer

    Purpose The phycocyanin is a pigment present in the microalga Spirulina that has been studied due to its applicability as food coloring; however, it can be used due to the ability to act as an emulsifier or stabilizer in function of its protein characteristic. The purpose of this paper is to use aqueous extracts of Spirulina containing phycocyanin (EP) as a substitute of additives in the production of ice creams. Design/methodology/approach The study was divided in two sections: first, the influence of addition of EP in ice cream bases (that represent the ice cream preparation before air incorporation step) and second, the influence of addition of EP in five ice cream formulations, in which the differences were the addition of EP in substitution of stabilizer, Chantilly or emulsifier, one at a time or in substitution of all additives together, by the EP. Findings The different ice creams developed presented centesimal composition according to Brazilian legislation in relation to the chemical parameters. The EP presented emulsifying and stabilizing activity in the ice creams formulations acting in substitution of emulsifier and stabilizer presented in the standard formulation, not influencing the overall acceptability of consumers. Originality/value The authors demonstrate that the aqueous extract of Spirulina containing phycocyanin can be used as a natural additive in ice cream in substitution of emulsifiers and stabilizers normally used in this product, contributing to produce more healthy foods, once phycocyanin is an protein of high nutritional value.
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