Essential oil components inhibit biofilm formation in Erwinia carotovora and Pseudomonas fluorescens via anti-quorum sensing activity

被引：62

作者：

Zhang, Ying ^{[1
,2
,3
]}

Kong, Jie ^{[1
,2
,3
]}

Xie, Yunfei ^{[1
,2
,3
]}

Guo, Yahui ^{[1
,2
,3
]}

Cheng, Yuliang ^{[1
,2
,3
]}

Qian, He ^{[1
,2
,3
]}

Yao, Weirong ^{[1
,2
,3
]}

机构：

[1] Jiangnan Univ, State Key Lab Food Sci & Technol, 1800 Lihu Ave, Wuxi 214122, Jiangsu, Peoples R China

[2] Jiangnan Univ, Sch Food Sci & Technol, 1800 Lihu Ave, Wuxi 214122, Jiangsu, Peoples R China

[3] Jiangnan Univ, Collaborat Innovat Ctr Food Safety & Qual Control, 1800 Lihu Ave, Wuxi 214122, Jiangsu, Peoples R China

来源：

LWT-FOOD SCIENCE AND TECHNOLOGY | 2018年 / 92卷

关键词：

Quorum sensing; Biofilm formation; Erwinia carotovora; Pseudomonas fluorescens; Essential oil components; FOOD SPOILAGE; IN-VIVO; AERUGINOSA; VIRULENCE; BACTERIA; CELLS;

D O I：

10.1016/j.lwt.2018.02.027

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

The effect of 10 essential oil (EO) components on biofilm formation for vegetable spoilage Erwinia carotovora and Pseudomonas fluorescens at sub-MICs were investigated. Chromobacterium vlolaceum CV026 (CV026) was selected as quorum sensing (QS) biosensor bacterium. The swimming, swarming, twitching motility, exopolysaccharide (EPS) production and biofilm formation were determined. All tested EO components showed QS inhibition of CV026, K carotovora and P. fluorescens. Biofilms were inhibited by all EO components by inhibiting their motilitles and BPS production. Salicylic acid and thymol showed the best inhibitory effect on biofilm formation of P. fluorescens (37.61%) and E. carotovora (47.24%) respectively. Hexanal as QS inhibitor for biofilm formation was first reported, with inhibition ratio of 25.86% and 20.18%, which was confirmed by scanning electron and fluorescence microscopy. Inhibition of biofilm formation by anti-QS SO components could be novel intervention strategy to enhance safety and quality of vegetables in the food industry.

引用

页码：133 / 139

页数：7

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