[KSCI] Korea Science Citation Index Service

Serial Flow Microwave Thermal Process System for Liquid Foods

Kim, Young-Jin (Department of Food Science and Technology, School of Agricultural Biotechnology, College of Agriculture and Life Sciences, Seoul National University)
Lim, Seok-Won (Department of Food Science and Technology, School of Agricultural Biotechnology, College of Agriculture and Life Sciences, Seoul National University)
Chun, Jae-Kun (Department of Food Science and Technology, School of Agricultural Biotechnology, College of Agriculture and Life Sciences, Seoul National University)

Publication Information

Food Science and Biotechnology / v.14, no.4, 2005 , pp. 446-449 More about this Journal

Abstract

Two single-magnetron heating systems (SM-HS), each with a helical glass heat exchanger and a cylindrical cavity, were combined to make a two-magnetron-in-series heating system (2MS-HS) in order to increase the heating capacity. A comparison using water showed that the heating performance of the 2MS-HS was increased by two-fold as compared to that of the SM-HS, resulting in energy saving of 7.0% in 2MS-HS. Pasteurization test of 2MS-HS conducted with model food (LB broth contaminated with Bacillus subtilis) showed two-fold higher treatment capacity compared to SM-HS. Relationships between outlet temperature of the processed food, flow rate, and residence time in the 2MS-HS were established for water. Optimum pasteurization capacity was 17 s, $73^{\circ}C$ , at flow rate of 280 ml/min. The 2MS-HS could be applied to the small-scale pasteurization of liquid food.

Keywords

Microwave; serial heating; heat exchanger; food pasteurization; cylindrical cavity;

Citations & Related Records

Times Cited By KSCI : 1 (Citation Analysis)
Times Cited By Web Of Science : 0 (Related Records In Web of Science)

Reference
Cited By KSCI

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