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Tea
Ethnobotany
| Question | Answer |
|---|---|
| discovery of Tea | (2737 B.C.) China by Emperor Shen Nung when leaf accidentally fell into water heated for drinking |
| tea - ranking in consumption | the second most popular beverage in the world to water (800 million cups of this consumed daily) |
| tea - definition | infusion of leaves from tea plant |
| infusion | liquid resulting when leaves, roots, or flowers of a plant are steeped in boiling water and then strained |
| Tea - scientific name | Camellia sinesis (Theaceae family) |
| Tea - origin | native to Tibet, India, China, and Myanmar (Burma) |
| description of tea plant | small tree or shrub with simple, alternate leaves and capsule fruit |
| tea flower | 5-8 sepals and petals, many stamens, and a superior ovary with 3 fused carpels |
| types of teas | black, green, white, and oolong |
| tea cultivation | terminal bud and top 2 leaves are harvested (new buds and leaves every 1-2 weeks) - hand picked |
| black tea | withered, fermented (enzymatic), and dried (90% of tea consumed in U.s.) |
| green tea | not fermented, green leaves rolled, steamed and dried |
| white tea | variety of tea with dense white trichomes (hairs), withered and dried, not steamed or fermented |
| Oolong | intermediate between black and white tea, and is semi-fermented |
| tea flavor | comes from tannins (phenolics) and essential oils |
| aroma | comes from essential oil and theol |
| jasmine (aroma) | jasmine blossoms |
| Earl Grey (aroma) | bergamot oil |
| tannins and theol | discourage herbivory |
| tannins | used commercially as stains, dyes, inks, tanning agents for leather |
| Health Benefits of Tea (especially green tea) | prevent tumor growth and divison (polyphenols), lower LDL cholesterol, increase immune response to bacteria, viruses and fungi, act as an antioxidant, provide the health benefits of caffeine (alkaloid) |
| more health benefits of tea | provide theophylline (alkaloid) - stimulant, similar in structure to caffeine, and treat asthma, wheezing and other respiratory symptoms (bronchodilator) |
| Chinese Chung Fu Chi | makes preparing tea into a ceremony |
| Macha | used in Japanese tea ceremony |
| Gwon | used when making tea by yourself |
| tea making | a sign of respect (easy way to ask for forgiveness) |
| never wash tea pots of tea cups | because the soap residue can get stuck in the pores and affect the flavor of the tea |
| scented tea | produced when a flower is inserted in tea |
| LDL cholesterol | bad cholesterol |