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espanolEn la presente investigacion se elaboraron biopeliculas activas a base de alginato, almidon de maiz y extracto acuoso de toronjil (Melissa officinalis L), evaluando su incidencia en la vida util microbiologica del camaron blanco del pacifico (Penaeus vannamei). Para la estimacion de la vida util se realizaron cineticas de crecimiento de microorganismos indicadores (aerobios mesofilos) modeladas matematicamente utilizando la ecuacion de Baranyi y Robert utilizando el programa DMFIT para obtener los parametros cineticos de crecimiento microbiano a diferentes temperaturas. Finalmente la ecuacion de Monod- Hinshelwood fue utilizada para estimar la vida util de los camarones. Los resultados indicaron que es posible utilizar biopeliculas a base de alginato, almidon de maiz y como sustancia antimicrobiana extracto acuoso de toronjil para la conservacion de camarones (Penaeus vannamei), debido a que se obtuvieron incrementos del 33% aproximadamente en la vida util de camarones (Penaeus vannamei) recubiertos con las biopeliculas. EnglishIn this research active biofilms based on alginate, cornstarch and water extract of lemon balm (Melissa officinalis L) were developed, assessing their impact on the microbiological shelf life of Pacific white shrimp (Penaeus vannamei). Microbial growth kinetics using as indicators microorganism aerobic mesophilic bacterial modeled mathematically through Baranyi y Robert equation by the program DMFIT were used for determinate the microbial growth parameters at different temperatures. Finally Hinshelwood - Monod equation was used to estimate the shelf life of the shrimp. The results indicated that is possible obtain binary biofilms containing aqueous extract of lemon balm for the shrimp conservation, because increments of 6 days were obtained in the shelf life of shrimp coated with biofilms

Obtención de Biopelículas Binarias Activas y su Efecto en la Vida Útil Microbiológica del Camarón Blanco (Penaeus vannamei)