Recent advances in electronic nose techniques for monitoring of fermentation process.

Publisher: Springer Country of Publication: Germany NLM ID: 9012472 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1573-0972 (Electronic) Linking ISSN: 09593993 NLM ISO Abbreviation: World J Microbiol Biotechnol Subsets: MEDLINE

Publication: 2005- : Berlin : Springer
Original Publication: Oxford, OX, UK : Published by Rapid Communications of Oxford Ltd in association with UNESCO and in collaboration with the International Union of Microbiological Societies, c1990-

Biotechnology/*methods ; Electronic Nose/*trends; Biosensing Techniques/instrumentation ; Biosensing Techniques/methods ; Biosensing Techniques/trends ; Biotechnology/instrumentation ; Biotechnology/trends ; Equipment Design/instrumentation ; Fermentation ; Odorants/analysis ; Quality Control

Microbial fermentation process is often sensitive to even slight changes of conditions that may result in unacceptable end-product quality. Thus, the monitoring of the process is critical for discovering unfavorable deviations as early as possible and taking the appropriate measures. However, the use of traditional analytical techniques is often time-consuming and labor-intensive. In this sense, the most effective way of developing rapid, accurate and relatively economical method for quality assurance in microbial fermentation process is the use of novel chemical sensor systems. Electronic nose techniques have particular advantages in non-invasive monitoring of microbial fermentation process. Therefore, in this review, we present an overview of the most important contributions dealing with the quality control in microbial fermentation process using the electronic nose techniques. After a brief description of the fundamentals of the sensor techniques, some examples of potential applications of electronic nose techniques monitoring are provided, including the implementation of control strategies and the combination with other monitoring tools (i.e. sensor fusion). Finally, on the basis of the review, the electronic nose techniques are critically commented, and its strengths and weaknesses being highlighted. In addition, on the basis of the observed trends, we also propose the technical challenges and future outlook for the electronic nose techniques.

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Keywords: Electronic nose; Fermentation; Odor; Process monitoring; Sensor array

Date Created: 20150905 Date Completed: 20160907 Latest Revision: 20181113

20221213

10.1007/s11274-015-1940-0

26338367