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http://dx.doi.org/10.9721/KJFST.2011.43.6.742

Effect of Microwave Treated-Wild Ginseng on the Quality of Korean Traditional Yakju  

Lee, Dae-Hyoung (Gyeonggi-do Agricultural Research and Extension Services)
Kang, Heui-Yun (Gyeonggi-do Agricultural Research and Extension Services)
Lee, Yong-Seon (Gyeonggi-do Agricultural Research and Extension Services)
Cho, Chang-Hui (Gyeonggi-do Agricultural Research and Extension Services)
Kim, Soon-Jae (Gyeonggi-do Agricultural Research and Extension Services)
Publication Information
Korean Journal of Food Science and Technology / v.43, no.6, 2011 , pp. 742-746 More about this Journal
Abstract
To increase the quality of Korean traditional yakju, we prepared seed cultures by fermentation at $20^{\circ}C$ for 2 days after addition of 140% water, 3% nuruk and 1.5% yeast into cooked rice. After the 200% cooked rice, 120% water and 0.08% commercial saccharifying enzyme were added to seed cultures and fermented for 2 days at $20^{\circ}C$, wild ginseng was added and then further fermented for 5 days. Physicochemical properties of traditional yakju were investigated. Ethanol was produced (18.5%) by the addition of 1.2% wild ginseng. However, ethanol content was not increased by addition of microwave treated-wild ginseng and rice (either cooked rice or raw). The traditional yakju obtained by fermentation at $20^{\circ}C$ for 5 days, after 90 sec of microwave treated-wild ginseng was added into main fermentation broth, showed good total acceptability and also contained 791 ppm saponin.
Keywords
traditional yakju; microwave; wild ginseng;
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Times Cited By KSCI : 9  (Citation Analysis)
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