Pu'er tea rich in strictinin and catechins prevents biofilm formation of two cariogenic bacteria, Streptococcus mutans and Streptococcus sobrinus
Cariogenic bacteria, such as Streptococcus mutans and Streptococcus sobrinus, are main pathogens responsible for human dental caries. Pu'er tea is empirically observed to prevent tooth decay. Besides caffeine and catechins commonly found in oolong tea, strictinin is also found as an abundant ph...
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doaj-9efc8960b4194131b8446bd2a54fa5312021-08-24T04:07:19ZengElsevierJournal of Dental Sciences1991-79022021-10-0116413311334Pu'er tea rich in strictinin and catechins prevents biofilm formation of two cariogenic bacteria, Streptococcus mutans and Streptococcus sobrinusMan-Hua Liao0Xiu-Ru Wang1Wei-Li Hsu2Jason T.C. Tzen3Graduate Institute of Biotechnology, National Chung-Hsing University, Taichung, TaiwanGraduate Institute of Biotechnology, National Chung-Hsing University, Taichung, TaiwanGraduate Institute of Microbiology and Public Health, National Chung-Hsing University, Taichung, Taiwan; Corresponding author. Graduate Institute of Microbiology and Public Health, National Chung-Hsing University, No. 145 Xingda Road, Taichung, 402, Taiwan.Graduate Institute of Biotechnology, National Chung-Hsing University, Taichung, Taiwan; Corresponding author. Graduate Institute of Biotechnology, National Chung Hsing University, No. 145 Xingda Road, Taichung, 402, Taiwan.Cariogenic bacteria, such as Streptococcus mutans and Streptococcus sobrinus, are main pathogens responsible for human dental caries. Pu'er tea is empirically observed to prevent tooth decay. Besides caffeine and catechins commonly found in oolong tea, strictinin is also found as an abundant phenolic compound in Pu'er tea. Infusion of Pu'er tea as well as single compound, strictinin, caffeine or (−)-epigallocatechin gallate (EGCG) was examined for its inhibitory effects on S. mutans and S. sobrinus. Relatively weak inhibition of bacterial growth was observed for these Pu'er tea constituents. However, biofilm formation of S. mutans or S. sobrinus was strongly prevented by the infusion of Pu'er tea as well as by strictinin or EGCG, but not caffeine. Relatively, strictinin showed a higher potency than EGCG to prevent biofilm formation. Anti-caries effect of Pu'er tea seems to be resulted from the prevention of biofilm formation of cariogenic bacteria mainly by strictinin and catechins.http://www.sciencedirect.com/science/article/pii/S1991790221001057Anti-cariesPu'er teaStreptococcus mutansStreptococcus sobrinusStrictinin |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Man-Hua Liao Xiu-Ru Wang Wei-Li Hsu Jason T.C. Tzen |
spellingShingle |
Man-Hua Liao Xiu-Ru Wang Wei-Li Hsu Jason T.C. Tzen Pu'er tea rich in strictinin and catechins prevents biofilm formation of two cariogenic bacteria, Streptococcus mutans and Streptococcus sobrinus Journal of Dental Sciences Anti-caries Pu'er tea Streptococcus mutans Streptococcus sobrinus Strictinin |
author_facet |
Man-Hua Liao Xiu-Ru Wang Wei-Li Hsu Jason T.C. Tzen |
author_sort |
Man-Hua Liao |
title |
Pu'er tea rich in strictinin and catechins prevents biofilm formation of two cariogenic bacteria, Streptococcus mutans and Streptococcus sobrinus |
title_short |
Pu'er tea rich in strictinin and catechins prevents biofilm formation of two cariogenic bacteria, Streptococcus mutans and Streptococcus sobrinus |
title_full |
Pu'er tea rich in strictinin and catechins prevents biofilm formation of two cariogenic bacteria, Streptococcus mutans and Streptococcus sobrinus |
title_fullStr |
Pu'er tea rich in strictinin and catechins prevents biofilm formation of two cariogenic bacteria, Streptococcus mutans and Streptococcus sobrinus |
title_full_unstemmed |
Pu'er tea rich in strictinin and catechins prevents biofilm formation of two cariogenic bacteria, Streptococcus mutans and Streptococcus sobrinus |
title_sort |
pu'er tea rich in strictinin and catechins prevents biofilm formation of two cariogenic bacteria, streptococcus mutans and streptococcus sobrinus |
publisher |
Elsevier |
series |
Journal of Dental Sciences |
issn |
1991-7902 |
publishDate |
2021-10-01 |
description |
Cariogenic bacteria, such as Streptococcus mutans and Streptococcus sobrinus, are main pathogens responsible for human dental caries. Pu'er tea is empirically observed to prevent tooth decay. Besides caffeine and catechins commonly found in oolong tea, strictinin is also found as an abundant phenolic compound in Pu'er tea. Infusion of Pu'er tea as well as single compound, strictinin, caffeine or (−)-epigallocatechin gallate (EGCG) was examined for its inhibitory effects on S. mutans and S. sobrinus. Relatively weak inhibition of bacterial growth was observed for these Pu'er tea constituents. However, biofilm formation of S. mutans or S. sobrinus was strongly prevented by the infusion of Pu'er tea as well as by strictinin or EGCG, but not caffeine. Relatively, strictinin showed a higher potency than EGCG to prevent biofilm formation. Anti-caries effect of Pu'er tea seems to be resulted from the prevention of biofilm formation of cariogenic bacteria mainly by strictinin and catechins. |
topic |
Anti-caries Pu'er tea Streptococcus mutans Streptococcus sobrinus Strictinin |
url |
http://www.sciencedirect.com/science/article/pii/S1991790221001057 |
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