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KMID : 1134820060350020158
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Journal of the Korean Society of Food Science and Nutrition
2006 Volume.35 No. 2 p.158 ~ p.163
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Fermentation Properties of Young Radish Kimchi Prepared Using Young Radish Cultivated in the Soil Containing Sulfur, It’s Inhibitory Effect on the Growth of AGS Human Gastric Adenocarcinoma Cells
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Kong Chang-Suk
Bak Soon-Sun
Lee Sook-Hee
No Chi-Woong
Kim Nak-Gu
Choi Keyng-Lag
Park Kun-Young
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Abstract
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Young radishes (YR, yeolmu in Korean) were cultivated in the soil with and without sulfur. YR-Control (without sulfur) was grown in the normal soil. YR were grown in the soil with 1,818 g/㎥ sulfur (YR-A) and 1,818 g/㎥ sulfur added lime mortar (YR-B) on it, respectively. Also, we prepared YR kimchis using YR-Control, YR-A and YR-B. The kimchis were fermented at 5℃ for 8 weeks. The growth inhibitory effects of AGS human gastric adenocarcinoma cells of the YR samples and kimchis were investigated. YR kimchis after 4~5 weeks at 5℃ showed higher acidity of 0.88~1.20% with pH 4.3~4.5 and the YR kimchis kept approximately pH 4.0 until 8 weeks. The kimchi A and B using YR-A and YR-B showed faster fermentation time, higher level of Leuconostoc sp. and lower level of Lactobacillus sp. during the fermentation, comparing to the control kimchi using YR-Control. Juices from YR-A and YR-B showed higher growth inhibitory effects of AGS human gastric adenocarcinoma cells than the juice from YR-Control at the same concentration. The growth inhibitory effect of YR-A was similar to that of the YR-B. The kimchi A and B juices also exhibited higher inhibitory effects (74%) on the growth of AGS human gastric adenocarcinoma cells than that of the control kimchi (57%) at the higher concentration of 20 μL/assay. Methanol extracts from the YR-kimchis also led to the similar results to the results of the juices. These results suggested that preparing of kimchi using differently cultivated YR especially in the soil with sulfur, which can help to synthesize sulfur-containing compounds, could increase the growth inhibitory effects of AGS human gastric adenocarcinoma cells.
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KEYWORD
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young radish, young radish kimchi, sulfur, AGS human gastric adenocarcinoma cell
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