The aim of this study was to compare the loss of chalarina vitamin C after applying four methods of dehydration: vacuum osmotic dehydration combined with convective drying, convective drying, osmotic dehydration combined with vacuum freeze-drying, and freeze-drying. The fresh chalarina was fitted into cubes of 1 cm; we determined the vitamin C content and other chemical properties of the pulp. The powders were characterized: vitamin C, moisture content, aw, density, angle of flow and compressibility. Fresh chalarina pulp has a vitamin C content of 29.75 mg/100g. Osmotic dehydration and vacuum reduced to 15.75 mg/100g this content; combined with convective drying is reached 9.31 mg/100g; if combined with freeze-drying is obtained 14.98 mg/100g. Applying convective drying was obtained only 7.05 mg of vitaminaC/100g chalarina powder, while by applying only freeze-drying was obtained 23.63 m...

The aim of this study was to compare the loss of chalarina vitamin C after applying four methods of dehydration: vacuum osmotic dehydration combined with convective drying, convective drying, osmotic dehydration combined with vacuum freeze-drying, and freeze-drying. The fresh chalarina was fitted into cubes of 1 cm; we determined the vitamin C content and other chemical properties of the pulp. The powders were characterized: vitamin C, moisture content, aw, density, angle of flow and compressibility. Fresh chalarina pulp has a vitamin C content of 29.75 mg/100g. Osmotic dehydration and vacuum reduced to 15.75 mg/100g this content; combined with convective drying is reached 9.31 mg/100g; if combined with freeze-drying is obtained 14.98 mg/100g. Applying convective drying was obtained only 7.05 mg of vitaminaC/100g chalarina powder, while by applying only freeze-drying was obtained 23.63 m...

Objetivo: determinar los Hábitos Alimenticios y su relación con el índice de Masa Corporal en Adolescentes de la Institución Educativa R. Feynman-Benedicto XVI – 2023. Materiales y métodos: investigación cuantitativa, descriptiva correlacional, no experimental, de corte transversal. Se contó con una población de 84 adolescentes. En primera variable se usó la encuesta y se aplicó el cuestionario. En la segunda variable, la ficha de valoración nutricional del Adolescente del MINSA. Resultados: se halló hábitos alimenticios inadecuados con 69% (n=58) seguido hábitos alimenticios adecuados con 31% (n=26). Según el IMC, Obesidad 41% (n=68), seguido de Sobrepeso 24% (n=20). Adolescentes con Obesidad y hábitos alimenticios inadecuados 36% (n=21), seguido de adolescentes con sobrepeso y hábitos alimenticios inadecuados 29% (n=17). Conclusiones: existe relación entre los Hábi...

Background: Ranitidine is a drug that is associated with mutagenesis by generating genetic alterations and / or cell carcinogenesis, but its genotoxicity in polychromatic erythrocytes is unknown. Therefore, the effect of ranitidine on DNA of micronucleated polychromatic erythrocytes (EPC) in albino rats (Rattus norvegicus, Holtzman strain) was researched by the micronucleus test. Materials and methods: Four groups of rats were studied: negative control with physiological saline solution (0.5 ml for 15 days); positive control with cyclophosphamide (dose 50 mg / kg for 2 days) and two experimental groups treated with ranitidine (doses 2 and 4 mg / kg for 15 days). The rats were euthanized and cytological preparations were obtained by 30 min staining in 5% giemsa. Results: An increase in the size and significant increase in the number of micronuclei in the EPC was found in the experimental ...