||Black Tea, Black Leaf Tea, English Tea
||Camellia sinensis syn Thea sinensis
||Rich, moist soil in sun or partial shade. Bushes are normally pruned to 1m (3ft)
||By seed sown as soon as ripe, or in spring, at 15-18°C (59-64°:F). Dried seeds need chipping. By semi-ripe cuttings in summer at minimum 18°C (64°F)
||Leaves are picked during the year, from bushes over three years old, and dried for use in infusions or distilled in oil. Seeds are removed from capsules and pressed for oil, which is processed to remove saponins.
||Leaves (shoot tips only), essential oil (leaves), fixed oils (seeds), Stem.
||An aromatic, slightly bitter, astringent herb that stimulates the nervous system and has diuretic and bactericidal effects.
||Internally for diarrhea, dysentery, hepatitis, and gastroenteritis. Excess causes constipation, indigestion, dizziness, palpitations, irritability, and insomnia. Externally for sore eyes, minor injuries, and insect bites. Regular consumption of green tea may protect against arteriosclerosis and dental cavities and may help lower blood pressure and cholesterol.
To treat kidney stones, cardiovascular disease, Parkinson's disease, and headaches; to increase mental alertness; to reduce the risk of atherosclerosis.
||A typical dose of black tea may range from one to several cups per day.
|Possible Side Effects:
||Black tea's side effects include nervousness, restlessness, insomnia, and gastric irritation.
|Taking black tea with these drugs may interfere with the absorption of the drug:
|Amitriptyline (Elavil, Levate)
||Amitriptyline and Chlordiazepoxide (Limbitrol)
||Amitriptyline and Perphenazine (Etrafon, Triavil)
||Chlorpromazine (Thorazine, Largactil)
|Clomipramine (Anafranil, Novo-Clopramine)
||Desipramine (Alti-Desipramine, Norpramin)
||Doxepin (Sinequan, Zonalon)
||Fluphenzine (Modecate, Prolixin)
||Imipramine (Apo-Imipramine, Tofranil)
|Lofepramine (Feprapax, Gamanil)
||Nortriptyline (Aventyl HCl, Pamelor)
||Perphenazine (Apo-Perphenazine, Trilafon)
|Prochlorperazine (Compazine, Compro)
||Trifluoperazine (Novo-Trifluzine, Stelazine)
||Trimipramine (Apo-Trimip, Surmontil)
||Increased risk of microcytic anemia in infants who are given tea.
- May increase therapeutic and adverse effects of caffeine when taken together with caffeine containing foods and drinks.
- May interfere with the absorption of nonheme iron (iron from sources other than meat) in the diet.
- Milk can bind the antioxidants in black tea and decrease their beneficial effects.
- Increased excretion of both calcium and magnesium when black tea is taken in large amounts.
||Leaves are steamed and dried for green tea, or fermented and dried for black tea. Tea is occasionally used as a flavoring, notably for boiling eggs, or as a soaking liquid for dried fruits and ham. Leaf extracts are fermented to make kombucha, or "tea cider". Powdered green tea is an ingredient in Japanese candy. Oil is used in cooking.
||Essential oil is used in perfumes with a leathery note, and in commercial food flavorings. Fixed oil is used in manufacturing paint.
||Encylopedia of Herbs by Deni Brown Copyright ©: 1995, 2001 Dorling Kindersley Limited pg 151
The Essential Herb-Drug-Vitamin Interaction Guide by Geo. T. Grossberg, MD and Barry Fox, PhD, Copyright ©2007 By Barry Fox PhD. Pp. 82-83