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_7
Snippet: Green tea extract (GTE) was provided as powder form from Amore-pacific Co, Korea as described previously [32] . Briefly, green tea leaves were infused with 75°C distilled water in the ratio of 1:7 (w/w). After 20 min of infusion, the tea extract was quickly separated from the tea leaves by filtration and the green tea extract (GTE) was freeze-dried. The composition was analyzed by C18 reverse phase column chromatography (elution with 22% THF at .....
Document: Green tea extract (GTE) was provided as powder form from Amore-pacific Co, Korea as described previously [32] . Briefly, green tea leaves were infused with 75°C distilled water in the ratio of 1:7 (w/w). After 20 min of infusion, the tea extract was quickly separated from the tea leaves by filtration and the green tea extract (GTE) was freeze-dried. The composition was analyzed by C18 reverse phase column chromatography (elution with 22% THF at the flow of 1 ml/min). The GTE was composed of caffeine (5.48%), gallic acid (0.22%), GC (1.95%), EGC (10.22%), catechin (0.35%), EGCG (9.11%), EC (2.51%), and GCG (0.88%), as determined by HPLC. GTE solution was prepared by adding water to the powder and filtering it through a 0.2 μm syringe filter.
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