The efficacy and function of purple nanmu leaves

Purple nanmu leaves are often used as medicinal materials in traditional Chinese medicine. This is also because of the medicinal value of purple nanmu leaves themselves, so today I will tell you about the relevant knowledge about purple nanmu leaves.

[Source] Medicinal material source: The leaves of the plant Phoebe macranthoides of the Lauraceae family.

[Original form] Purple Machilus nanmu is a large shrub to tree, 5-15m high. Branchlets, petioles and inflorescences are densely covered with yellow-brown or gray-black soft hairs or pubescence. Simple leaves are alternate and leathery; petiole is 1-2.5cm long; leaf blade is obovate, elliptic-obovate or broadly oblanceolate, 8-27cm long, 3.5-9cm wide, with acuminate or caudal tip, gradually narrowed base, glabrous above or hairy along veins, densely covered with yellow-brown long soft hairs below. Panicles grow in leaf axils of young branches; flowers are bisexual; petals are 6, nearly equal in size, ovate, about 3mm long, and hairy on both sides; 9 fertile stamens, 3 whorls, each whorl of filaments is hairy, anthers are 4-chambered, and filaments of reduced stamens are all hairy; ovary is spherical, glabrous, style is usually straight, stigma is not obvious or disc-shaped. The fruit is ovate, about 1cm long and 5-6mm in diameter; the fruit pedicel is slightly thickened and hairy; the persistent tepals are ovate, hairy on both sides, and loose. The flowering period is April-May, and the fruit ripening period is September-October.

[Habitat distribution] Ecological environment: Growing in mountain broad-leaved forests below 1000m above sea level.

【Cultivation】 1. Biological characteristics: shade-tolerant tree species. It likes warm and humid climate and grows in the shady and moist environment of forests on valley slopes. It grows robustly in slightly acidic soil that is deep, well-drained and rich in humus, and can also adapt to neutral soil. It has strong cold resistance, but is susceptible to sunburn and frostbite in the seedling stage.

[Chemical composition] The branches and leaves of Phoebe macrantho contain volatile oils. The seeds contain 0.6% oil, 0.2% lauric acid, 0.2% myristic acid, 13.8% palmitic acid, 0.8% hexadecenoic acid, 0.4% stearic acid, 32.9% oleic acid, 49.8% linoleic acid, 1.8% linolenic acid, and trace amounts of capric acid.

【Nature and flavor】 Spicy; slightly warm

【Functions and indications】 Soothes qi; warms the stomach; removes dampness; disperses blood stasis. It is used to treat abdominal distension and pain caused by qi stagnation; beriberi and edema; cramps

[Usage and Dosage] For oral use: decoction, 15-30g. For external use: take appropriate amount and decoct in water for fumigation and washing.

【Note】 Pregnant women should take with caution.

【Excerpt】 Chinese Materia Medica

After the above introduction to purple nanmu leaves, we have a detailed understanding of purple nanmu leaves. In life, we can learn more about the characteristics of purple nanmu leaves and make full use of its medicinal value to serve our lives.