The efficacy and function of black blood vine

Traditional Chinese medicine has always been the best choice for many people to treat diseases. It is very helpful in treating diseases and you can rest assured when choosing it. Today we will introduce a traditional Chinese medicine, Black Blood Vine.

【English name】 macrocarpa Nucuma

[Alias] Old crow flower vine, big blood vine, blood vine, Heylianglong.

[Source] Medicinal material source: the old stems of the leguminous plant Glehnia littoralis.

[Original form] A large woody vine of Eupatorium longifolium, up to 70m long. The stem is up to 25 cm in diameter, with raised brown lenticels and longitudinal ridges; old stems are often glabrous. Trifoliate leaves, alternate; petiole 8-13cm long, rachis 2-4.5cm long, petiolules 0.5cm long, all covered with appressed pale or rusty hairs; stipules densely hairy, caducous early; terminal leaflets elliptic, ovate-elliptic to obovate, 10-19cm long, 5-10cm wide, slightly concave at the apex, nearly rounded at the base; lateral leaflets asymmetrical, midrib inclined to the upper edge, 10-17cm long, base truncated or slightly cordate; veins raised on both sides. The raceme grows on old stems, 5-23cm long, with 5-12 side branches, each with 2-3 flowers; the pedicels are up to 1cm long, densely covered with dark brown short soft hairs and mixed with reddish brown stiff hairs; the bracts and bracteoles fall off early; the calyx is broadly cup-shaped, densely covered with soft hairs, the calyx tube is 0.8-1.2cm long and 1.2-2cm wide, the calyx teeth are triangular, and the lowest calyx teeth are longer; the corolla is dark red-purple, and the tip of the standard petal is rounded or slightly emarginate; there are 10 males, and they are dissociative. The pods are woody and linear, nearly bead-like, 26-45cm long, 3-5cm wide, up to 1cm thick, densely covered with rusty soft hairs and irregular wrinkles. There are 6-12 seeds, which are black, disc-shaped, and equal in length and width.

[Habitat distribution] Ecological environment: Grown in sparse forests in valleys at an altitude of 1000-1200m.

[Properties] Identification of properties: The vine stem is cylindrical, slightly twisted, and has a diameter of 1-3.5cm. The surface is gray-brown to dark brown, with numerous longitudinal grooves. The lenticels are oval, arranged horizontally, and have a diameter of 1-4 mm. They are hard and difficult to break. The resinous secretions of the phloem in the cross section are dark brown, the xylem is yellowish brown, the vessels are hole-like and arranged radially and neatly, the phloem and xylem are arranged alternately in several layers of concentric rings, and the pith is small. It has a faint smell and tastes light and slightly astringent.

[Chemical composition] The vine stems contain lupenone, friedelin, β-sitosterol, △5.22-stigmasten-3β-ol, tetracosanoic acid 2,3-dihydroxypropyl ester, pentacosanoic acid 2,3-dihydroxypropyl ester and hexa-cosanoic acid 2,3-dihydroxypropyl ester. The seeds contain 4.39% L-dopa.

【Nature and flavor】 Bitter; astringent; cool

[Entry] Enters the liver and kidney meridians

【Functions and indications】Nourishes blood and activates blood circulation; clears the lungs and moistens dryness; promotes blood circulation and activates collaterals. Mainly used for anemia; irregular menstruation; dry cough due to lung heat; hemoptysis; sore waist and knees; rheumatic pain; numbness of hands and feet; paralysis

[Usage and Dosage] For oral use: decoct 15-30g; or soak in wine. For external use: take appropriate amount, decoct in water and use for fumigation or washing; or stir-fry and apply hot.

[Discussions by various scholars] "Xinhua Compendium of Materia Medica": Old stems: astringent in taste, cool in nature. It has the functions of nourishing blood, activating blood circulation, unblocking menstruation and strengthening bones. Used for rheumatic pain, anemia, chlorosis, irregular menstruation, low back pain, and paralysis.

【Excerpt】 Chinese Materia Medica

The above introduces some common knowledge about Black Blood Vine. In order to make more people understand Black Blood Vine, you can accumulate more related things in your daily life, which will play an important role in maintaining our health.