Application of the factorial design and response surface methodology for optimization of alcoholic fermentation

被引：12
|
作者：
Silva, Jose Alexsandro [1 ]
Goulart de Lima Damasceno, Bolivar Ponciano [2 ]
Honorato da Silva, Flavio Luiz [3 ]
Madruga, Marta Suely [4 ]
de Santana, Davi Pereira [5 ]
机构：
[1] Univ Estadual Paraiba, Dept Farm, BR-58109790 Campina Grande, PB, Brazil
[2] Univ Estadual Paraiba, Ctr Ciencias Biol & Sociais Aplicades, Joao Pessoa, Paraiba, Brazil
[3] Univ Fed Campina Grande, Ctr Ciencia & Tecnol, Unidade Acad Engn Quim, Campina Grande, Paraiba, Brazil
[4] Univ Estadual Paraiba, Dept Tecnol Quim & Alimentos, BR-58109790 Campina Grande, PB, Brazil
[5] Univ Fed Pernambuco, Dept Ciencias Farmaceut, Recife, PE, Brazil
来源：
QUIMICA NOVA | 2008年 / 31卷 / 05期
关键词：
factorial designs; productivity; ethanol;
D O I：
10.1590/S0100-40422008000500024
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In the present work, the influence of the amount of nitrogen and phosphorus and degrees Brix on the yield and productivity of alcoholic fermentation has been evaluated. The methodology used was factorial design and response surface analysis. Within the range studied only for phosphorus a statistically significant effect was observed. The broth of sugar of the CB 453 variety already Possessed enough nitrogen for the fermentation. The mathematical and empirical model was validated for productivity and not for yield. The concentration of alcohol produced in the fermentation was not enough to cause cellular growth inhibition.
引用
收藏
页码：1073 / 1077
页数：5
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