Cellular Responses of Salmonella typhimurium Exposed to Green Tea Polyphenols

Choi, Hanna; Oh, Keun-Yeob

doi:10.7845/kjm.2012.48.2.087

The Korean Journal of Microbiology

2012

DOI: 10.7845/kjm.2012.48.2.087

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Cellular Responses of Salmonella typhimurium Exposed to Green Tea Polyphenols

Hanna Choi¹,

Keun-Yeob Oh²

Abstract: The purpose of this study was to examine the cellular response of Salmonella typhimurium exposed to tea polyphenols ( et al., 1991;Hamilton-Miller, 1995;Yam et al., 1997;Hirasawa and Takada, 2004), TPP에 노출된 병원성 세균에 대 한 세포반응과 프로테옴 분석과 관련된 연구는 TPP가 가지는 살 균기작을 규명하는데 매우 중요한 의미가 있음에도 불구하고, 현재 활용가능한 연구결과는 미미한 실정이다. Jungblut et al., 1999Jungblut et al., , 2000 프로테옴 분석은 원핵세포의 유전자 발현에서 변화를 연구하 는데 중요한 실마리를 제공하는 방법으로 알려져 있다(Schmid

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Cited by 3 publications

References 23 publications

(17 reference statements)

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Anti-diabetic effect of the mixture of mulberry leaf and green tea powder in rats with streptozotocin-induced diabetes

Son¹,

Han²,

Lee³

2014

Korean Journal of Food Preservation

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This study investigated the hypoglycemic effects of mulberry leaf (M), green tea (G), and a mixture of mulberry leaf and green tea (MG) in rats with streptozotocin-induced diabetes. Male Sprague-Dawley rats were divided into the non-diabetic (N) and diabetic groups. The experimental animals were divided into four groups and fed the following for four weeks: a normal diet (N), the STZ+normal diet (STZ), the STZ+5% mulberry leaf (STZ-M), STZ+5% green tea (STZ-G), and the STZ+5% mixture of mulberry leaf and green tea (STZ-MG). The whole blood glucose level of the STZ-M, STZ-G and STZ-MG groups significantly decreased compared to the STZ group two weeks later. The serum glucose and fructosamine, and urine glucose levels in the STZ-M, STZ-G and STZ-MG groups were lower than in the STZ group. The levels of serum insulin were higher in the STZ-M, STZ-G and STZ-MG groups than in the STZ group. However, serum glucose, fructosamine and insulin levels, and urine glucose levels were not significantly different among the STZ-M, STZ-G and STZ-MG groups. These results indicate that mulberry leaf, green tea, and their mixture help prevent or attenuate the progression of diabetes in rats with STZ-induced diabetes.

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Anti-diabetic effect of the mixture of mulberry leaf and green tea powder in rats with streptozotocin-induced diabetes

Son¹,

Han²,

Lee³

2014

Korean Journal of Food Preservation

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Antimicrobial Activity of Epigallocatechin Gallate (EGCG) extracted from Green Tea (Camellia sinensis) against Cronobacter spp. and Salmonella spp. in Various Dairy Products: A Preliminary Study

Kim¹,

Jang²,

Park³

et al. 2016

J. Milk Sci. Biotechnol.

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The main constituent of tea catechins, EGCG [(-)-Epigallocatechin-3-gallate], could inhibit the growth of various microorganisms and differently affect gram-positive and gram-negative bacteria. Antimicrobial activity of EGCG, a compound from green tea (Camellia sinensis) extract, against Cronobacter spp. and Salmonella spp. was studied to evaluate the possibility of using EGCG as a natural food additive in various dairy products. In pure TSB culture, the growth of Cronobacter spp. was suppressed below the detection limit (1 log CFU/mL) depending on EGCG concentration (600~800 μg/mL), after 5~16 days at 4℃. Similarly, the growth of Salmonella spp. was suppressed below the detection limit (1 log CFU/mL) depending on EGCG concentration (400~800 μg/mL), after 5~16 days at 4℃. Therefore, these results suggest that EGCG could be used as an effective additive to inhibit the growth of Cronobacter spp. and Salmonella spp. in various dairy products, such as yoghurt, cheese, dried infant powder, and so on.

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Antimicrobial activity of epigallocatechin gallate from green tea (Camellia sinensis) on pathogenic Salmonella Enteritidis in braised quail eggs

Kim¹,

Kim²,

Kim³

et al. 2016

Korean Journal of Food Science and Technology

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Cellular Responses of Salmonella typhimurium Exposed to Green Tea Polyphenols

Cited by 3 publications

References 23 publications

Anti-diabetic effect of the mixture of mulberry leaf and green tea powder in rats with streptozotocin-induced diabetes

Anti-diabetic effect of the mixture of mulberry leaf and green tea powder in rats with streptozotocin-induced diabetes

Antimicrobial Activity of Epigallocatechin Gallate (EGCG) extracted from Green Tea (Camellia sinensis) against Cronobacter spp. and Salmonella spp. in Various Dairy Products: A Preliminary Study

Antimicrobial activity of epigallocatechin gallate from green tea (Camellia sinensis) on pathogenic Salmonella Enteritidis in braised quail eggs

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