The efficacy and function of Nanshan Teng

Nanshan vine is a very good medicinal material. It is often used in traditional Chinese medicine to treat patients. It has extremely high medicinal value. Let us learn about several aspects of Nanshan vine.

【English name】root of Twisting Dregea

[Other names] False tuberose, spring tendon vine, double root vine (Guangdong), false cat bean (Guangxi), each mountain shrub (Guizhou), bitter vegetable, bitter vegetable vine (Yuanjiang, Yunnan), Pag Yam, Pakongsong (Dai language)

[Source] Medicinal material source: the whole plant and rhizome of Nanshan Teng, a dicotyledonous plant of the Apocynaceae family.

【Original form】 Thick and strong vine. Stems lenticel-filled. Branches with small tubercles. Leaves are opposite; petiole is 2.5-6cm long; leaf blade is broadly ovate or nearly circular, 8-15cm long, 5-12cm wide, with acute or short acuminate apex, truncated or shallowly cordate base, and almost glabrous. Umbrella-shaped cymes are axillary; drooping; calyx has 5 lobes, covered with soft hairs on the outside, with multiple glands on the bone surface; corolla is yellow-green, fragrant at night, 5-lobed, broadly ovate; corona lobes are attached to the back of stamens, fleshy and swollen; there is one pollinia in each locule, erect; ovary is sparsely pubescent, style is short, and stigma tip has a conical protrusion. The follicles are lanceolate-cylindrical, up to 12 cm long and about 3 cm in diameter. The exocarp is covered with white powder and has wrinkled ridges. The seeds are broadly ovate, flat, with thin edges up to 1.2 cm long and about 6 mm wide, with white silky hairs at the tip, up to 4.5 cm long. The flowering period is from April to September, and the fruiting period is from July to December. 0

[Habitat distribution] Ecological environment: Growing in mountain forests below 500m above sea level.

[Chemical composition] Drevogenin A, B, D, and P[1-4] were isolated from the seeds. Dregoside A[5] and dregeosides AP1, Ao1, Aa1, A11, C11, Kp1, Ka1, H, Dp1, Da1, Gp1, Ga1[6-7] were isolated from the stems, among which dregeosides Ap1 and Ao1 have anti-cancer activity. α-Methylpachybioside and α-methyldredehongbioside were isolated from the roots [8].

【Nature and flavor】 Pungent; bitter; cool

【Meridian】 Lung; Stomach meridian

【Functions and indications】 Expel wind; remove dampness; relieve pain; clear heat and soothe the stomach. Mainly used for colds; rheumatic joint pain; low back pain; vomiting during pregnancy; esophageal cancer; gastric cancer

[Usage and Dosage] For oral use: decocted in water, 6-30g; or ground into powder, 3g each time, 2-3 times a day.

[Discussions by various scholars] "Xinhua Compendium of Materia Medica": Used to treat colds, bronchitis, stomachaches, vomiting during pregnancy, etc.

【Excerpt】 Chinese Materia Medica

The above is a detailed introduction to the effects and functions of Nanshan vine. When choosing it, pay attention to the dosage to avoid causing harm to your body.