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Microorganism preservation by convective air-drying—A review

Lookup NU author(s): Dr Kent Chin

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Abstract

© 2017 Taylor & Francis At present, microorganisms are mainly preserved by freeze-drying. There is, however, lack of studies conducted on various cheaper yet promising convective air-drying alternatives. Convective air-drying has been proven to produce dried culture with comparable cell survival and final moisture content to that of freeze-drying. This paper aims to draw an understanding to application and suitability of convective air-drying which includes spray, oven, heat pump, fluidized bed, conveyor, and rotary drying to preserve microorganisms. The paper concludes that drying near ambient temperature and the addition of dehydration protectants are important to obtain satisfactory drying quality.

Publication metadata

Author(s): Tan DT, Poh PE, Chin SK

Publication type: Article

Publication status: Published

Journal: Drying Technology

Year: 2017

Volume: 36

Issue: 7

Pages: 764-779

Print publication date: 01/05/2018

Online publication date: 19/07/2017

Acceptance date: 11/07/2017

Date deposited: 30/03/2018

ISSN (print): 0737-3937

ISSN (electronic): 1532-2300

Publisher: Taylor and Francis Inc.

URL: https://doi.org/10.1080/07373937.2017.1354876

DOI: 10.1080/07373937.2017.1354876

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