I believe many people are familiar with the Chinese medicinal material oil tea. As a common Chinese medicinal material, oil tea is rich in nutrients. Let us learn about it in detail. [Source] Medicinal material source: The leaves of Camellia oleifera Abel, a plant of the Theaceae family. [Original form] Camellia oleifera is an evergreen shrub or small tree, 3-4m high, rarely up to 8m. The bark is light yellow-brown, smooth and uncracked; the twigs are slightly covered with short soft hairs. Simple leaves are alternate; petioles are 4-7mm long and hairy; leaf blades are thick leathery, ovate-elliptical or ovate, 3.5-9cm long, 1.8-4.2cm wide, obtuse at apex, cuneate at base, serrulate at margin, bright green above, glabrous or with stiff hairs on midrib, hairy or glabrous at base of midrib below, and lateral veins inconspicuous. Flowers are bisexual, 1-3 flowers grow at the top of branches or in leaf axils, 3-5cm in diameter, sessile; sepals are usually 5, nearly round, and covered with silky hairs on the outside; petals are 5-7, white, separate, obovate to lanceolate, 2.5-4.5cm long, often with a notch at the apex and hairy on the outside; stamens are numerous, glabrous, and the outer filaments are only fused at the base; ovary is superior, densely covered with white silky hairs, and the style has three shallow lobes at the apex. The capsule is nearly spherical, 3-5cm in diameter, with thick peel, woody, and 2-3-lobed locules. The seeds are round on the back and flat on the belly, up to 2.5 cm long. The flowering period is October-November, and the fruiting period is October of the following year. [Habitat distribution] It is widely cultivated in the Yangtze River Basin and areas to the south of my country. It is an important woody oil plant. [Properties] Identification of properties: The leaves are elliptical or ovate-elliptical, 3-9cm long and 1.5-4cm wide; the tip is gradually pointed or short-pointed, the base is cuneate, and the edges are finely serrated; the surface is green, the main vein is obvious, and the lateral veins are not obvious. Leaves leathery, slightly thick. It has a light fragrance and a slightly bitter taste. 【Nature and flavor】 slightly bitter; neutral 【Functions and indications】Astringent and hemostatic; detoxifying. Mainly used for nosebleed, itching of skin ulcer, carbuncle [Usage and Dosage] For oral use: decoction, 15-30g. For external use: take appropriate amount, decoct in water for washing, or mash fresh product for application. 【Excerpt】 Chinese Materia Medica After reading the above detailed introduction to the effects and functions of tea oil leaves, I believe many friends already know the benefits of tea oil leaves. It can be seen that oil tea is very beneficial to our human body. If you need it, you might as well give it a try. |
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