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KMID : 0380620180500060565
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Korean Journal of Food Science and Technology
2018 Volume.50 No. 6 p.565 ~ p.571
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Establishment of activated carbon treatment conditions and analytical methods to reduce polycyclic aromatic hydrocarbons contents in soybean oil and perilla oil
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Park Young-Ae
Jung So-Young
Kim Nam-Hoon
Lee Young-Ju
Jo Ju-Yeon
Kim Ouk-Hee
Kim Jin-Kyeong
Hwang In-Sook
Hong Mi-Sun
Lee Sang-Me
Oh Young-Hee
Jung Kweon
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Abstract
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After adding eight different kinds of PAHs to soybean oil and perilla oil samples, changes of PAHs contents after activated carbon treatment with different conditions of activated carbon concentration, temperature, and time were investigated. PAHs contents decreased in both soybean oil and perilla oil with increasing activated carbon concentrations. Neither of the PAHs were detected in the soybean oil samples after the addition of only 0.05% of activated carbon, while the contents of most kinds of PAHs decreased below the limit of quantification in the perilla oil samples after the addition of up to 0.4% of activated carbon. PAHs contents decreased as the temperature of the activated carbon treatment increased, and most PAHs were not detected in the soybean oil samples at temperatures above 80°C. With regards to the activated carbon treatment time, the PAHs contents also decreased as the treatment time increased. In case of soybean oil, four kinds of PAHs were not detected after treatment with 0.05% of activated carbon at 70°C for 10 min.
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KEYWORD
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polycyclic aromatic hydrocarbons (PAHs), activated carbon, soybean oil, perilla oil
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