KMID : 1160620220270040474
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Preventive Nutrition and Food Science 2022 Volume.27 No. 4 p.474 ~ p.482
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Physical and Chemical Properties of 70% Cocoa Dark Chocolate Mixed with Freeze-Dried Araza (Eugenia stipitata) Pulp
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Zumaeta Cesar R. Balcazar
Alayo Efrain M. Castro Mendoza Marleni Medina Astecker Lucas D. Munoz Valqui Llisela Torrejon Perez Roxana J. Rodriguez Ocampo Elizabeth Rojas Colca Ilse S. Cayo
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Abstract
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This work aimed to determine the chemical and physical properties of 70% dark cocoa chocolate, including freeze-dried Araza (Eugenia stipitata) pulp (FDAP). We studied chocolates incorporating three FDAP concentrations (1.0, 1.5, and 2.0%). No statistical differences were found in total polyphenol content, antioxidant capacity, and total catechin and epicatechin content. The dark chocolates¡¯ moisture and texture were unaffected by the FDAP. The Casson yield stress increased to 19.67¡¾1.35 Pa, while the Casson plastic viscosity reduced to 1.68¡¾0.03 Pa?s, Also, the particle size increased. The dark chocolates¡¯ flow behavior corresponded to a non-Newtonian fluid. Finally, the dark chocolate¡¯s properties were unaffected by a 2% FDAP concentration.
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KEYWORD
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antioxidants, catechin, chocolate, polyphenols, viscosity
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