Inhibition of growth of Escherichia coli O157:H7 in fresh radish (Raphanus sativus L.) sprout production by calcinated calcium

被引:42
作者
Bari, ML
Kusunoki, H
Furukawa, H
Ikeda, H
Isshiki, K
Uemura, T
机构
[1] Univ Osaka Prefecture, Grad Sch Agr & Biol Sci, Dept Vet Publ Hlth, Sakai, Osaka 5998531, Japan
[2] Univ Osaka Prefecture, Grad Sch Agr & Biol Sci, Dept Vegetable Crops, Sakai, Osaka 5998531, Japan
[3] Natl Food Res Inst, Tsukuba, Ibaraki 3058642, Japan
关键词
D O I
10.4315/0362-028X-62.2.128
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
The inhibitory effect of calcinated calcium on the growth of Escherichia coli O157:H7 during fresh radish (Raphanus sativus L.) sprout production was studied. It was revealed that the addition of 0.4% (wt/vol) calcinated calcium into radish sprouting medium which was artificially contaminated with E. coli O157:H7 (3.0 to 3.2 log CFU/ml) completely inhibited the growth or inactivated the microorganism When radish seed extract was used instead of radish sprout production, the same extent of growth inhibition or inactivation was observed with much lower amounts (0.07%) of calcinated calcium under similar experimental conditions. The findings suggested that calcinated calcium may be useful to control E. coli O157:H7 contamination during the production of radish sprouts.
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页码:128 / 132
页数:5
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