Author: Lee, Yun Ha; Jang, Yo Han; Kim, Young-Seok; Kim, Jinku; Seong, Baik Lin
Title: Evaluation of green tea extract as a safe personal hygiene against viral infections Document date: 2018_1_8
ID: 07sn6d9r_22
Snippet: The primary goal of the present study was to evaluate GTE as potential virucidal disinfectant. We examined the temporal stability of virucidal activity of GTE against the human influenza A/H1N1 virus and the effects of antioxidant supplementation on its stability. It has been shown that green tea catechines or green tea extract exert potent antiviral effects against a variety of human infecting viruses including influenza viruses [32, 37] . Previ.....
Document: The primary goal of the present study was to evaluate GTE as potential virucidal disinfectant. We examined the temporal stability of virucidal activity of GTE against the human influenza A/H1N1 virus and the effects of antioxidant supplementation on its stability. It has been shown that green tea catechines or green tea extract exert potent antiviral effects against a variety of human infecting viruses including influenza viruses [32, 37] . Previous studies have mainly focused on the targets and inhibitory actions of green tea catechins at various stages of viral replication cycles [22, 38, 39] . The present data showed that the virucidal effects of GTE can be maintained up to eight weeks in a solution type and for 16 weeks in a powder type, respectively, for the entire duration of experiments conducted. A long-term maintenance of virucidal activity could be related to the chemical stability of catechins [40] . The concentrations of green tea catechins were measured over time and there were no significant differences in the concentrations between GTE and GTE-mix solutions (Fig. 4a) .
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