On-line monitoring of fermentation processes by a new remote dispersive middle-infrared spectrometer

被引：29

作者：

Fayolle, P ^{[1
]}

Picque, D ^{[1
]}

Corrieu, G ^{[1
]}

机构：

[1] INRA, Lab Genie & Microbiol Procedes Alimentaires, F-78850 Thiverval Grignon, France

来源：

FOOD CONTROL | 2000年 / 11卷 / 04期

关键词：

middle infrared spectroscopy; on-line measurements; alcoholic fermentation; lactic fermentation;

D O I：

10.1016/S0956-7135(99)00105-X

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

A middle infrared spectrometer coupled with a new attenuated total reflectance probe by optical fibres was developed to solve the problem of on-line analysis in the bioreactors. The measurement of sugars, ethanol and organic acid concentrations was investigated during alcoholic and lactic fermentations. This apparatus was able to operate between 5.5 and 10.5 mu m with a reasonably good repeatability (CV < 5%) between 6 and 10 mu m. The standard errors of prediction were between 1.4 g l(-1) (for galactose) and 3.5 g l(-1) (for fructose). (C) 2000 Elsevier Science Ltd. All rights reserved.

引用

页码：291 / 296

页数：6

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