Components of Houttuynia conrdata on the Inhibition of Bacterial Biofilm and Its Application

doi:10.3969/j.issn.1673-1689.2016.03.010

Home > Archive>Volume 35, Issue 3, 2016 >284-289. DOI:10.3969/j.issn.1673-1689.2016.03.010

Components of Houttuynia conrdata on the Inhibition of Bacterial Biofilm and Its Application
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                        10.3969/j.issn.1673-1689.2016.03.010
                    
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The inhibition of bacterial biofilm activity by 30% ethanol elution of Houttuynia cordata was studied. The results showed that the inhibition rates of E.coli and Salmonella typhimurium biofilms were up to 100% when the extract concentration of H. cordata was 4.0 mg/mL. At the same time，the growth of E.coli and S.typhimurium were inhibited by H. cordata extract when its concentrations were 3.0 and 4.0 mg/mL，respectively. Further analysis of its extracts showed that 3，4?鄄dihydroxy benzoic acid，chlorogenic acid，rutin，hyperin，quercetin，and quercetin were its main components. Meanwhile，the effect of preservation of chilled pork by the extracts of H. cordata were also studied. The results exhibited that the microbial content，volatile base nitrogen （TVB-N），pH and SAP turnover rate all had positive effects after the addition of the extractions. The total number of bacteria in per gram of the pork treated by 4.0 mg/mL extract was 5.95 at 15th d，while the control group was 8.01. The results suggested that the extraction of H. cordata had potential applications in chilled pork during storage.

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LI Cheng, LOU Zaixiang, WANG Hongxin. Components of Houttuynia conrdata on the Inhibition of Bacterial Biofilm and Its Application[J]. Journal of Food Science and Biotechnology,2016,35(3):284-289.

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