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Comparison of bactericidal effects of two types of pilot-scale intense-pulsed-light devices on cassia seeds and glutinous millet

Title
Comparison of bactericidal effects of two types of pilot-scale intense-pulsed-light devices on cassia seeds and glutinous millet
Authors
Hwang, Hee-JeongCheigh, Chan-IckChung, Myong-Soo
Ewha Authors
정명수
SCOPUS Author ID
정명수scopus
Issue Date
2018
Journal Title
INNOVATIVE FOOD SCIENCE & EMERGING TECHNOLOGIES
ISSN
1466-8564JCR Link

1878-5522JCR Link
Citation
INNOVATIVE FOOD SCIENCE & EMERGING TECHNOLOGIES vol. 49, pp. 170 - 175
Keywords
Intense pulsed light (IPL)Pilot-scaleCyclone-typeBelt-typeSeed food
Publisher
ELSEVIER SCI LTD
Indexed
SCIE; SCOPUS WOS scopus
Document Type
Article
Abstract
The aim of this study was to evaluate the bactericidal effect of two types of pilot-scale intense pulsed light (IPL) devices constructed in our laboratory. Cassia seeds and glutinous millet, with initial microbial loads of 2.04 x 10(4) and 5.03 x 10(3) CFU/g, respectively, were treated by cyclone-type and belt-type IPL devices at total fluences of 3.89-54.43 J/cm(2). The maximum microbial reductions of the cassia seeds and glutinous millet were 0.74, and 0.66 log/g, respectively, when using the cyclone-type IPL, and 2.63 and 0.55 log/g when using the belt-type IPL device. The geometric mean diameter of cassia seeds and glutinous millet was 0.25 and 0.13, respectively. The cassia seeds having larger particle size than glutinous millet showed a greater bactericidal effect when treated with the belt-type device. Therefore, the design of the treatment chamber can have an improved bactericidal effect on cassia seeds, demonstrating the importance of selecting a suitable IPL device according to the size of the sample to be treated.
DOI
10.1016/j.ifset.2018.08.011
Appears in Collections:
엘텍공과대학 > 식품공학전공 > Journal papers
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