The seed (Postlarvae) of shrimp giant of water sweet that is produced currently in the country, not meets in quantity or in quality to the market national; more still exist growing expectation for this culture marked by its profitability and the final market. The demand of the market internal is unsatisfied in 21.70 T.M. (48.20), such as shrimp fresh frozen (1994); with the particularity that the demand increases with the growth of production. With the knowledge of the exceptional conditions of water, soil and climate to develop the Canary on a large scale, as a real alternative to displace the Coca cultivation in the forest; and, to determine the real need for seed and partly to satisfy the market, as well as establish technology appropriate for commercial production; the present study which required the installation of a Larvario financial and economic possibility arose. In the region ...

Introduction. Grape from San Antonio de Cumbaza has similar sensory characteristics and composition to the black grapes produced in other regions, with a high demand for the regional wine production and as a flavoring for the food industry. The black grape generally provides phenolics, including anthocyanins with antioxidant properties in vitro and probably benefits to human health. Objective. Study the kinetics of degradation of anthocyanins and rheological properties of grape juice. Methods. Thermal degradation of anthocyanins was conducted at 70, 80 and 90ºC for 5, 1 O, 15 and 20 minutes rota evaporator mínimum vacuum pressure. Rheological study was performed with the Brookfield viscometer L VDV - III Ultra at different temperatures and concentrations. This data were adjusted to the Oswald-de-Waelle, Casson and Herschel-Bulkley mathematical models. Results. Anthocyanins and total ph...

Varias investigaciones han demostrado la importancia de los combustibles bio-renovables como alternativas eficientes para reducir la contribución de la demanda de energía fósil, el calentamiento global y sus efectos ambientales. La jatropha y los aceites de palma y biodiesel que difieren en sus composiciones de ácidos grasos, estabilidad oxidativa y propiedades de dinámica de fluidos han llamado la atención en Brasil y Perú en la diversificación de materias primas para la producción de un biodiesel optimizado a partir de mezclas de estos aceites, con un rendimiento mejorado y mayor resistencia a la oxidación. En este estudio, la transesterificación asistida convencional y ultrasónica se aplicó a cinco mezclas binarias de los aceites crudos de jatropha y palma pretratados (9.1, 18.2, 28.6, 37.0 y 41.7% de aceite de jatropha) usando etanol e hidróxido de sodio como catalizado...

Fish gelatin has gained increasing attention as an alternative to mammalian gelatin. However, the search for new sources with characteristics similar to commercial ones is still necessary. Due to this, the objective of this study was to obtain and characterize Doncella skin gelatin (Pseudoplatystoma fasciatum) and evaluate its use as an encapsulating material when producing microparticles by complex coacervation. Gelatin and gum arabic were used as wall materials and Mauritia flexuosa oil, as filler material. The Doncella skin gelatin was obtained by acid extraction and evaluated in terms of the aspects: yield, melting point; molar mass distribution; proximal composition; size, morphology, average particle diameter and encapsulation efficiency. The yield of the gelatin powder was ~ 20.03% per 100 g of wet skin, in addition, had a melting point of 29.1 ° C. The mean diameters reported we...

Fish gelatin has gained increasing attention as an alternative to mammalian gelatin. However, the search for new sources with characteristics similar to commercial ones is still necessary. Due to this, the objective of this study was to obtain and characterize Doncella skin gelatin (Pseudoplatystoma fasciatum) and evaluate its use as an encapsulating material when producing microparticles by complex coacervation. Gelatin and gum arabic were used as wall materials and Mauritia flexuosa oil, as filler material. The Doncella skin gelatin was obtained by acid extraction and evaluated in terms of the aspects: yield, melting point; molar mass distribution; proximal composition; size, morphology, average particle diameter and encapsulation efficiency. The yield of the gelatin powder was ~ 20.03% per 100 g of wet skin, in addition, had a melting point of 29.1 ° C. The mean diameters reported we...

Sapote gum (SG) is a new biopolymer with promissory functional properties. This study aimed to determine if SG is a suitable emulsifier for obtaining stable grape seed oil (GSO) emulsions. In the first stage, coarse emulsion concentrations of SG and grapeseed oil - GSO were evaluated, applying the Central Composite Rotational Design (0.59% to 3.41% of SG and 12.93% to 27.07% GSO). For the second stage, using a Centered Face Design – CFD, the resulting emulsion was sonicated at 90, 270, and 450 Watts at 5, 10, and 15 min. Finally, a validation was made. Emulsions were evaluated through microstructure, droplet size, kinetic stability, heat stress, and rheology. Micrographs of the first-stage emulsions showed droplets up to 3.8 μm diameter and a creaming index between 0.00% and 28.39% after 24 h. Optimization indicates that the higher the concentration of gum (3.5%) and GSO (25%), the mo...