El objetivo general de la presente tesis fue estudiar el proceso de cristalización y polimorfismo de la manteca de cacao (MC) en la cadena de fabricación de chocolate oscuro a partir de cacao (Theobroma cacao L.) variedad Criollo. La revisión de la literatura demostró que en la cadena de fabricación de chocolates, la fermentación del cacao es la etapa más importante porque genera el perfil aromático; pero, puede influir en la cristalización y polimorfismo de la MC y por tanto en la cadena de fabricación del chocolate, hipótesis que fue establecida a partir del análisis bibliométrico. Para la evaluación de la cristalización, polimorfismo y miscibilidad de la MC se usó Calorimetría Diferencial de Barrido (DSC) y Microscopía Confocal Raman (CRM). Durante la fermentación espontánea se pudo notar que el cacao alcanzó su temperatura más alta (45,35 °C) a los siete días,...

El objetivo general de la presente tesis fue estudiar el proceso de cristalización y polimorfismo de la manteca de cacao (MC) en la cadena de fabricación de chocolate oscuro a partir de cacao (Theobroma cacao L.) variedad Criollo. La revisión de la literatura demostró que en la cadena de fabricación de chocolates, la fermentación del cacao es la etapa más importante porque genera el perfil aromático; pero, puede influir en la cristalización y polimorfismo de la MC y por tanto en la cadena de fabricación del chocolate, hipótesis que fue establecida a partir del análisis bibliométrico. Para la evaluación de la cristalización, polimorfismo y miscibilidad de la MC se usó Calorimetría Diferencial de Barrido (DSC) y Microscopía Confocal Raman (CRM). Durante la fermentación espontánea se pudo notar que el cacao alcanzó su temperatura más alta (45,35 °C) a los siete días,...

This research was funded by the Consejo Nacional de Ciencia, Tecnología e Innovación Tecnológica-Concytec (Project: Equipamiento Científico 2018-01/E044-2018-01-BM, Contrato N◦ 012-2018-Fondecyt/BM) of the Peruvian Government, The World Bank Group, the Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas and the Pontificia Universidad Católica del Perú. The APC was funded by the Consejo Nacional de Ciencia, Tecnología e Innovación Tecnológica-Concytec.

This research was funded by the Consejo Nacional de Ciencia, Tecnología e Innovación Tecnológica-Concytec (Project: Equipamiento Científico 2018-01/E044-2018-01-BM, Contrato N◦ 012-2018-Fondecyt/BM) of the Peruvian Government, The World Bank Group, the Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas and the Pontificia Universidad Católica del Perú. The APC was funded by the Consejo Nacional de Ciencia, Tecnología e Innovación Tecnológica-Concytec

The main objective of this research was to encourage innovation of products from the area, and thus exploit the potential of the properties that show these products and the importance of nutrition use in infant feeding. The specific objective of this research was to enrich nutritionally cookies and flavor, to meet this objective partly replaced wheat flour for local products such as Pajuro and Oca. The stages of the process flow were as follows: The formulation of ingredients, mixing, kneading, forming, baking and cooling. Total protein content, moisture and ash made of different cookies were evaluated. Likewise, sensory analysis where 31 children 10 years old participated was performed pre-selected and trained, who evaluated the taste, by the hedonic technique. Where seven treatment was the result of this investigation.

The main objective of this research was to encourage innovation of products from the area, and thus exploit the potential of the properties that show these products and the importance of nutrition use in infant feeding. The specific objective of this research was to enrich nutritionally cookies and flavor, to meet this objective partly replaced wheat flour for local products such as Pajuro and Oca. The stages of the process flow were as follows: The formulation of ingredients, mixing, kneading, forming, baking and cooling. Total protein content, moisture and ash made of different cookies were evaluated. Likewise, sensory analysis where 31 children 10 years old participated was performed pre-selected and trained, who evaluated the taste, by the hedonic technique. Where seven treatment was the result of this investigation.

The process of drying food is necessary to preserve it; however, some bioactive compounds can be degraded during drying process. In this work, the convective drying process of Peruvian blackberry bagasse and the degradation of anthocyanins, total phenolic content (TPC), and antioxidant capacity (AC) were studied. The logarithmic model fitted well to the data and could predict the process, showing that 6 h of drying at 90?C is enough to reach equilibrium moisture. Anthocyanin degradation followed a first-order kinetic model with reaction rate constant between 5.45 × 10?2 ± 4.68 × 10?3 and 1.21 × 10?1 ± 2.31 × 10?2 h?1, and activation energy of 25.11 kJ/mol. The highest retention (84.38%) of anthocyanins was obtained in 1 h at 50?C and the highest degradation (68.54%) in 6 h at 90?C. The TPC and AC increased with the drying time and temperature due to the increased water evaporation....

We studied the effect of substituting partially, cocoa butter (CB) with Sacha Inchi (Plukenetia volubilis L.) oil (SIO) on rheology, bioactive properties, and sensory preferences in potentially functional chocolate. For this 70% dark chocolates were prepared and the CB was substituted with 1.5%, 3%, and 4.5% of SIO. Hardness and viscosity of the SIO-chocolates were significantly reduced compared to the control (5451 ± 658 g; 17.01 ± 0.94 Pa s, respectively). Total phenolic content remained constant while the antioxidant capacity increased up to IC50 of 2.48 ± 0.10 as the content of SIO increased. The Casson yield stress and Casson plastic viscosity decreased as the amount of SIO increased. Chocolates with 4.5% SIO had a similar color, better glossiness, preferable snap attributes, and were more accepted (7.50 ± 0.08) compared to the control (p < 0.05), measured with a hedonic scale. ...