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http://dx.doi.org/10.9721/KJFST.2017.49.2.162

Improvement of Katsuobushi smoking machine for the reduction of benzo(a)pyrene  

Hong, Ju Hee (Department of Food Science and Biotechnology, Dongguk University)
Hwang, Sang Min (Department of Food Science and Biotechnology, Dongguk University)
Lee, Seung Ju (Department of Food Science and Biotechnology, Dongguk University)
Publication Information
Korean Journal of Food Science and Technology / v.49, no.2, 2017 , pp. 162-167 More about this Journal
Abstract
A Katsuobushi smoking machine was developed and evaluated to determine its benzo(a)pyrene reducing effect. The machine was equipped with two heaters for smoking and chamber heating. The smoke-generating system was equipped with a cadmium sulfide (CdS) smoke sensor, an on/off controller, and a rotating feeder with a smoke inlet. Raw bonito was steamed and then smoked under three smoke levels. After smoking at $45^{\circ}C$ for 108 h, the benzo(a)pyrene concentrations were 5.87, 7.83, and $11.41{\mu}g/kg$ at the low, middle, and high smoke levels, respectively. The benzo(a)pyrene concentrations after low-level smoking at 45, 65, and $85^{\circ}C$ for 108 h were 5.87, 4.82, and $3.27{\mu}g/kg$, respectively. Accordingly, the optimal conditions for benzo(a)pyrene reduction were a lower smoke level and higher smoking temperature. These optimal smoking conditions can be implemented with the newly developed machine, but is not possible using a conventional Katsuobushi smoking machine.
Keywords
Katsuobushi; smoking machine; benzo(a)pyrene reduction;
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Times Cited By KSCI : 4  (Citation Analysis)
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