Evaluation of Cashew Apple Juice for the Production of Fuel Ethanol |
| |
Authors: | Álvaro Daniel Teles Pinheiro Maria Valderez Ponte Rocha Gorete R. Macedo Luciana R. B. Gonçalves |
| |
Affiliation: | (1) Departamento de Engenharia Química, Universidade Federal do Ceará, Campus do Pici, Bloco 709, 60455-760 Fortaleza, Ceará, Brazil;(2) Laboratório de Engenharia Bioquímica (LEB), Departamento de Engenharia Química, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil |
| |
Abstract: | A commercial strain of Saccharomyces cerevisiae was used for the production of ethanol by fermentation of cashew apple juice. Growth kinetics and ethanol productivity were calculated for batch fermentation with different initial sugar (glucose + fructose) concentrations. Maximal ethanol, cell, and glycerol concentrations were obtained when 103.1 g L−1 of initial sugar concentration was used. Cell yield (Y X/S) was calculated as 0.24 (g microorganism)/(g glucose + fructose) using cashew apple juice medium with 41.3 g L−1 of initial sugar concentration. Glucose was exhausted first, followed by fructose. Furthermore, the initial concentration of sugars did not influence ethanol selectivity. These results indicate that cashew apple juice is a suitable substrate for yeast growth and ethanol production. |
| |
Keywords: | Ethanol Cashew apple juice Saccharomyces cerevisiae Batch cultivation Kinetic parameters |
本文献已被 PubMed SpringerLink 等数据库收录! |
|