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

Hee Jeong Hwang; Chan Ick Cheigh; Myong Soo Chung

doi:10.1016/j.ifset.2018.08.011

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

Hee Jeong Hwang, Chan Ick Cheigh, Myong Soo Chung

Department of Food Science & Biotechnology

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

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 × 10⁴ and 5.03 × 10³ CFU/g, respectively, were treated by cyclone-type and belt-type IPL devices at total fluences of 3.89–54.43 J/cm². 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.

Original language	English
Pages (from-to)	170-175
Number of pages	6
Journal	Innovative Food Science and Emerging Technologies
Volume	49
DOIs	https://doi.org/10.1016/j.ifset.2018.08.011
State	Published - Oct 2018

Bibliographical note

Funding Information:
This work was supported by Korea Institute of Planning and Evaluation for Technology in Food, Agriculture, Forestry (IPET) through High Value-added Food Technology Development Program, funded by Ministry of Agriculture, Food and Rural Affairs (MAFRA) (317030-3) and Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education ( NRF-2016R1D1A3B03931649 ).

Publisher Copyright:
© 2018 Elsevier Ltd

Keywords

Belt-type
Cyclone-type
Intense pulsed light (IPL)
Pilot-scale
Seed food

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10.1016/j.ifset.2018.08.011

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

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 × 104 and 5.03 × 103 CFU/g, respectively, were treated by cyclone-type and belt-type IPL devices at total fluences of 3.89–54.43 J/cm2. 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.",

keywords = "Belt-type, Cyclone-type, Intense pulsed light (IPL), Pilot-scale, Seed food",

author = "Hwang, {Hee Jeong} and Cheigh, {Chan Ick} and Chung, {Myong Soo}",

note = "Funding Information: This work was supported by Korea Institute of Planning and Evaluation for Technology in Food, Agriculture, Forestry (IPET) through High Value-added Food Technology Development Program, funded by Ministry of Agriculture, Food and Rural Affairs (MAFRA) (317030-3) and Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education ( NRF-2016R1D1A3B03931649 ). Publisher Copyright: {\textcopyright} 2018 Elsevier Ltd",

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AU - Cheigh, Chan Ick

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N1 - Funding Information: This work was supported by Korea Institute of Planning and Evaluation for Technology in Food, Agriculture, Forestry (IPET) through High Value-added Food Technology Development Program, funded by Ministry of Agriculture, Food and Rural Affairs (MAFRA) (317030-3) and Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education ( NRF-2016R1D1A3B03931649 ). Publisher Copyright: © 2018 Elsevier Ltd

PY - 2018/10

Y1 - 2018/10

N2 - 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 × 104 and 5.03 × 103 CFU/g, respectively, were treated by cyclone-type and belt-type IPL devices at total fluences of 3.89–54.43 J/cm2. 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.

AB - 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 × 104 and 5.03 × 103 CFU/g, respectively, were treated by cyclone-type and belt-type IPL devices at total fluences of 3.89–54.43 J/cm2. 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.

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KW - Cyclone-type

KW - Intense pulsed light (IPL)

KW - Pilot-scale

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JF - Innovative Food Science and Emerging Technologies

ER -

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

Abstract

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Keywords

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