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Thea sinensis L.=Camellia sinensis

Folium Theae

Family Theaceae

Active substances:
Flavonoids: Rutin, Quercetin,

Campyphenol 3-Glucoside, Campherol 3-
Rhamnozyl Dygliucoside and Quercetin,

 Alkaloids: caffeine (1.5-3.5%),
theophylline, theobromine,
 Tannins (catechins) 20-25%,

 Organic acids: pantothenic
 Essential oil

 Vitamins: С, К, В1, В2, РР,
 Saponins: Teasapogenols A, B, E

The leaves have been used in traditional Chinese medicine and other
medical systems to treat asthma (functioning as

a bronchodilator), angina pectoris, peripheral vascular disease,

and coronary artery disease.