Antimicrobial Activity

Green tea catechins can act alone or with antibiotics on Helicobacter pylori

Published in TB and Outbreaks Week, October 21st, 2003

Epigallocatechin gallate and epicatechin gallate from green tea, but not other tea catechins, is highly active against Helicobacter pylori alone or in combination with the antibiotic amoxicillin.

"Since green tea catechins are known to have antimicrobial activity against a variety of microorganisms, their possible effects on Helicobacter pylori in combination with antibiotics were examined. Clinical isolates of H. pylori (n=56), including isolates (n=19) highly resistant to metronidazole (MTZ) and/or clarithromycin (CLR), were used to determine in vitro sensitivity to tea catechins," researchers in Japan report.

"The...

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Source: TB and Outbreaks Week (2003-10-21)

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