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http://dx.doi.org/10.3746/jkfn.2002.31.5.765

Effects of Fermentation to Improve Hygienic Quality of Powdered Raw Grains and Vegetables Raw Grains and Vegetables Using Lactobacillus sp. Isolated from Kimchi  

김동호 (한국원자력연구소 방사선식품·생명공학연구팀)
송현파 (한국원자력연구소 방사선식품·생명공학연구팀)
변명우 (한국원자력연구소 방사선식품·생명공학연구팀)
차보숙 (수원여자대학교 식품과학부)
신명곤 (우송대학교 식품생명공학부)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.31, no.5, 2002 , pp. 765-769 More about this Journal
Abstract
Improvement of hygienic quality of powdered raw grains and vegetables by fermentation was investigated. Luc-tobacillus sp. isolated from kimchi was used as a starter. The cell counts of coliform group and SS enteric bacteria on the SS agar plate in raw grains and vegetables were 2.3$\times$103 cfu/mL and 8.6$\times$10$^3$ cfu/mL, respectively. The starlet, Lactobacillu sp., reached 10$^{7}$ cfu/mL after 48 hr in fermentation. At that time, the coliform group and enteric bacteria on the SS agar plate were gradually inactivated and eliminated after 60 hr of fermentation. During the fermentation process, pH of the suspension was lowered and acidity increased. Antimicrobial activity of the acidic supernatant of fermented raw grains and vegetal]les against the E. coli sp. and Salmonella sp. was higher than that of lactic acid solution or neutralized supernatant. Therefore, it was considered that antimicrobial effect of the fermented raw grains and vegetal]les might be accelerated by tile synergic effect of acid and bacteriocin, and liquid fermentation of powdered raw grains and vegetables will be effective for inactivation of hygienic microorganisms.
Keywords
fermentation; powdered raw grains and vegetables; Lactobacillus; bacteriocin;
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