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Provedor de dados:  Ciênc. Tecnol. Aliment.
País:  Brazil
Título:  Particle size and cholesterol content of a mayonnaise formulated by OSA-modified potato starch
Autores:  Ghazaei,Shiva
Mizani,Maryam
Piravi-Vanak,Zahra
Alimi,Mazdak
Data:  2015-03-01
Ano:  2015
Palavras-chave:  Octenyl succinic anhydride
Cholesterol
Mayonnaise
Particle size distributions
Rheological characteristics
Microstructure
Resumo:  Egg yolk was partially replaced (0, 25, 50, 75, and 100%) with octenyl succinic anhydride (OSA)-modified potato starch in a reduced-fat mayonnaise formulation to curtail the problems associated with high cholesterol and induced allergic reactions. The physicochemical properties included parameters such as: pH, fat content, and emulsion stability of the formulations analyzed. The samples with 75% and 100% egg yolk substitute showed the maximum emulsion stability (>95% after two of months storage), and they were selected according to cholesterol content, particle size distributions, dynamic rheological properties, microstructure, and sensory characteristic. A significant reduction (84-97%) in the cholesterol content was observed in the selected samples. Particle size analysis showed that by increasing the amount of OSA starch, the oil droplets with the peak size of 70 µm engulfed by this compound became larger. The rheological tests elucidated that in the absence of egg yolk, OSA starch may not result in a final product with consistent texture and that the best ratio of the two emulsifiers (OSA starch/egg yolk) to produce stable reduced-fat, low cholesterol mayonnaise is 75/25. The microscopic images confirmed the formation of a stable cohesive layer of starch surrounding the oil droplets emulsified in the samples selected.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612015000100150
Editor:  Sociedade Brasileira de Ciência e Tecnologia de Alimentos
Relação:  10.1590/1678-457X.6555
Formato:  text/html
Fonte:  Food Science and Technology v.35 n.1 2015
Direitos:  info:eu-repo/semantics/openAccess
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