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Tea Folium Camelliae
Alias – Tea.
Source – the camellia plants of tea Camellia sinensis (L.) Kuntze of young leaves or buds.
Plant Morphology – evergreen shrubs or small trees, high-1 ~ 6m. Twig and leaves are photogenic powder hair. Leaves alternate, thin-coriaceous, oval-shaped lanceolate to oval-shaped, long 4 ~ 10cm, width 2 ~ 3.5cm, apex acute or obtuse angle while the Weiao, producing wedge-shaped base, jagged edges; petiole short. Flowers solitary or 2 axillary, few 3 ~ 4 axillary, diameter 2.5 ~ 3.5cm; pedicel length 6 ~ 10mm, slightly drooping; sepal 5 ~ 6, when the accommodation deposit fruit; petals 5 ~ 8, round, white; ovary win, and three rooms, there is soft hair, style co-sheng, stigmas 3 crack. Capsules, or showed three round-shaped, each room there is a seed. Flowering 9 to 10 months, fruiting period in November.
South of the country of origin is now a wider cultivation.
Collect and process – 4 ~ 5 month in planting more than 3 years on the picking of tea leaves on the sprouts, fried bake, rub to dry.
Characters – leaves often curled, broken, complete person oval or broad lanceolate, leaf margin printed jagged, smooth upper surface hairless, lower surface slightly furry, leathery, petiole short. Gas fragrant and good fitness and taste bitter.
Chemical composition – containing caffeine (caffeine), theophylline (theophylline), cocoa beans alkali (theobromine), yellow purine (xanthine), tannins, volatile oil, quercetin, vitamin C, carotene, dihydro-ergosterol.
Of taste – slightly cold, bitter, sweet.
Indication – convergence, diuretic, refreshing. For Shenpi more sleep, headache and head faint, polydipsia, urine negative, alcohol poisoning.