Effect of pineapple (Ananas Comosus) culture by- products on the enzymatic deproteinization of shrimp biowastes
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| Autores: | , , , |
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| Formato: | artículo original |
| Estado: | Versión publicada |
| Fecha de Publicación: | 2013 |
| Descripción: | The present work aims to a preliminary study of the deproteinization capacity of proteolytic extracts from pineapple biowastes in different concentrations as potential green process to treat by-products of the shrimp fishery in order to obtain chitin and chitosan. The proteolytic extract isolated from pineapple biowastes was obtained from pineapple stems using a sulfuric acid buffer solution. The proteolytic extract from pineapple was characterized according to its protein content, total sugars and enzymatic activity against a commercial bromelin standard and a negative control. Results indicate that applying a crude pineapple proteolytic extract succeeded in to eliminate up to 97% of the proteins present in a shrimp biowaste sample, being more active than any of its dilutions, in a 24 hours study. Our results suggest that pineapple biowastes can be consider as a potential green biosource to promote shrimp deproteinization, providing a biotechnological activity to the traditional chemical process involving sodium hydroxide. This novel methodology will provide new applications for pineapple biowastes and reduce costs and contamination during chitin and chitosan production. |
| País: | Portal de Revistas UNA |
| Institución: | Universidad Nacional de Costa Rica |
| Repositorio: | Portal de Revistas UNA |
| Lenguaje: | Español |
| OAI Identifier: | oai:ojs.www.una.ac.cr:article/4948 |
| Acceso en línea: | https://www.revistas.una.ac.cr/index.php/uniciencia/article/view/4948 |
| Palabra clave: | Pineapple bromelin shrimp deproteinization enzymatic activity Piña bromelina camarón desproteinización actividad enzimática |