describe

Kudingcha belongs to Kudingcha family, also known as pineapple tree, Dayecha and Kudingcha. The source is the leaves of Ilex kudingcha. Ilex plants. Born on hillsides, bamboo forests and bushes. Distributed in provinces and Fujian in the lower reaches of the Yangtze River.

Evergreen trees in plant form, up to15m. Bark is black or gray-black, rough, with shallow cracks, thick and smooth branches and angular new strips. The leaves are leathery, spirally alternate, oblong or ovoid, with sharp or slightly rounded apex, blunt base, sparse marginal teeth, shiny top and prominent main veins at the bottom. Cymes, mostly concentrated in the upper leaf axils; Male inflorescence has 1 ~ 3 flowers, while female inflorescence has only 1 flower; Bracts ovate, numerous; Calyx 4-lobed, lobes ovate, hairy, yellow-green; Petals 4, oval, base healing, 3 times that of calyx; There are 4 stamens in male flowers, which are longer than petals. The filaments are straight, the anthers are oval, and there is a degeneration chamber in the center. Androgynous stamens are as long as petals, and the ovary is spherical and oval. Drupe is spherical, red after maturity, with residual style; There are four cores and three edges. The flowering period is from April to May, and the fruiting period is 65438+1October.

It can be harvested all year round, and dried after removing impurities.

Characters: The leaves are oval, leathery, non-shrinking, and some are slightly curled longitudinally, with yellow-green or grayish-green luster at the top and yellow-green at the bottom. It tastes slightly bitter.

Chemical constituents include ursolic acid, β-coumarin, lupeol, dandelion alcohol, etc.

Cold in nature and bitter and sweet in taste.

Second efficacy

Function is mainly used to dispel wind and clear heat, clear the head and remove polydipsia. Used for headache, toothache, red eyes and fever, polydipsia and dysentery.

According to Compendium of Materia Medica, Kuding tea has pharmacological effects such as expelling wind and clearing heat, clearing the head, promoting fluid production to quench thirst, promoting digestion and refreshing, diminishing inflammation and detoxicating, and lowering blood pressure and blood lipid. According to the research of tea research institute of Chinese Academy of Agricultural Sciences, crop research institute of Chinese Academy of Agricultural Sciences, forest environmental protection research institute of Chinese Academy of Forestry, geological testing center of Ministry of Metallurgical Industry, tea quality supervision, inspection and testing center of Ministry of Agriculture and other scientific research units, vitamin C, vitamin D, vitamin E and various amino acids were separated from kudingcha. B- carrots, polyphenols, triterpenoid glycosides and other substances, as well as calcium (Ca), potassium (K), sodium (Na), manganese (Mn), molybdenum (Mo), magnesium (Mg), iron (Fe), zinc (Zn), selenium (se), germanium (Ge) and chromium (Cr).

According to Guangdong Science and Technology News1May, 1993 15, "Kuding tea has the functions of lowering blood pressure, blood fat and cholesterol, clearing away heat and toxic materials, diminishing inflammation and sterilization, invigorating stomach and promoting digestion, refreshing the brain, improving eyesight and improving thinking, and is a good medicine for cooling liver, expelling wind, relieving pain and diminishing inflammation. Has obvious curative effect on treating hypertension, obesity, stomatitis and pharyngolaryngitis. It has good curative effect on acute gastritis, common cold, abdominal pain, shortness of breath, malaria, constipation, etc. Can inhibit nasopharyngeal carcinoma and esophageal cancer; Washing with boiling water can treat a variety of skin diseases and burns; If tea is used instead, it tastes sweet and refreshing, produces fluid to quench thirst, tastes bitter first and then sweet, and has a lasting aftertaste, so it is called' green gold',' longevity tea' and' beauty tea'.

The clinical application of modern science shows that Kudingcha has the functions of relieving summer-heat, detoxicating, diminishing inflammation and sterilization, resolving phlegm and relieving cough, invigorating stomach and promoting digestion, refreshing the brain, reducing weight, resisting cancer, resisting radiation, lowering blood pressure, lowering blood fat and cholesterol. Known as health tea, longevity tea and beauty tea by consumers at home and abroad, it is a widely used natural multifunctional plant beverage.

Plant name: Ilex kudingcha

Nickname: Ilex macrophylla

Latin name: Ilex latifolia

Last name: Holly

Genus name: Ilex.

Adaptation area: from the lower reaches of the Yangtze River to South China.

Central subtropical evergreen deciduous broad-leaved forest area (major cities: Wuhan, Shashi, Huangshi, Yichang, Nanchang, Jingdezhen, Jiujiang, Ji 'an, Jinggangshan, Ganzhou, Shanghai, Changsha, Zhuzhou, Yueyang, Huaihua, Jishou, Changde, Xiangtan, Hengyang, Shaoyang, Guilin, Wenzhou, Jinhua, Ningbo, Chongqing, Chengdu, Dujiangyan, etc.

South subtropical evergreen broad-leaved forest area (main cities: Fuzhou, Xiamen, Quanzhou, Zhangzhou, Guangzhou, Foshan, Shunde, Dongguan, Huizhou, Shantou, Taipei, Liuzhou, Guiping and Gejiu)

Tropical monsoon rain forest area (major cities: Haikou, Sanya, Qionghai, Kaohsiung, Tainan, Shenzhen, Zhanjiang, Zhongshan, Zhuhai, Macau, Hong Kong, Nanning, Qinzhou Beihai, Maoming and Jinghong)

Ecological classification: woody plants >; evergreen tree

Ornamental classification: shade trees

Height range: 20 meters

Morphological characteristics: yellow-green flowers in spring, red fruits, mature in autumn, and young leaves can replace tea.

Growth habit: shade tolerance

Landscape uses: courtyard shade trees

kuding tea

Ilex kudingcha C. J. Tseng is an evergreen tree of Ilex kudingcha, commonly known as Tea Ding, Fuding Tea and Gao Lu Tea, which is mainly distributed in Guangdong, Fujian and other places. It is a traditional pure natural health drink in China. Kuding tea contains more than 200 ingredients, such as Kuding tea saponin, amino acids, vitamin C, polyphenols, flavonoids, caffeine, protein and so on. Its finished tea is fragrant and bitter, and then sweet and cold. It has many functions, such as clearing away heat and relieving summer heat, improving eyesight and intelligence, promoting fluid production to quench thirst, promoting diuresis and strengthening heart, moistening throat and relieving cough, lowering blood pressure and losing weight, inhibiting and preventing cancer, resisting aging and promoting blood circulation. Known as "health tea", "beauty tea", "slimming tea" and "longevity tea". In recent years, the research on Kuding tea mostly focuses on the nutrition and health care aspects such as processed finished tea and tea beverage. At present, a variety of health foods such as bagged kudingcha, kudingcha granules, kudingcha buccal tablets and compound kudingcha have been successfully developed. At present, the research on the cultivation, processing, physiology and biochemistry of Kuding tea is very active, but the research on its finishing, deep processing, trade, physiology and biochemistry mechanism, especially the functional components of Kuding tea, needs to be further explored to promote the development of the utilization of Kuding tea beverage resources.

Source: China Tea Online

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