root of kudzu vine

Alias: kudzu vine, kudzu vine, kudzu vine, kudzu vine, kudzu vine.

Source: the root of pueraria lobata, a leguminous plant. )Ohwi。

Plant morphology: vine, about 10m long, covered with yellow-brown bristles. Tri-reversion leaves alternate, stipules peltate and elliptic; The central leaflet is rhombic-ovoid or broadly ovoid, and the lateral leaflets are oblique ovoid, with rough sides and dense back; Stipules peltate, small stipules acicular. Racemes axillary, with dense flowers; Bracteoles ovate or lanceolate; Calyx bell-shaped, calyx teeth 5, upper 2 teeth combined, lower L teeth longer, both inside and outside yellow fur; Corolla butterfly, blue-purple, about 1.5cm long. Pods are linear, 5 ~ 10 cm long, flat and densely covered with long yellow-brown bristles. The flowering period is May-September, and the fruiting period is 8-65438+1October.

Born on hillside grasslands, roadsides, and shady and humid places in sparse forests. Location: Hunan, Zhejiang, Henan and Guangdong.

Digging: Digging in autumn and winter, cutting into thick or small pieces when fresh, and drying in the sun.

Description: it is a rectangular thick slice or small square slice cut longitudinally, with a length of 5 ~ 35 cm and a thickness of 0.5 ~ 1 cm. The skin is light brown, longitudinally wrinkled and rough. This part is yellow and white. Tough and fibrous. Tasteless and slightly sweet.

Chemical composition: contains a variety of flavonoids, the main active components are daidzein, daidzein, puerarin, puerarin -7- xyloside, etc.

Taste: cool, sweet and pungent.

Indications: relieving exterior syndrome, clearing away heat, promoting fluid production, penetrating rash, strengthening yang and stopping diarrhea. For exogenous fever, headache, hypertension, neck pain, thirst, thirst, measles, dysentery and diarrhea.

Compendium of Materia Medica states: Pueraria lobata is cool, flat and sweet, and has the functions of clearing away heat, reducing fire and expelling toxin. Modern medical research shows that puerarin, an isoflavone compound in pueraria lobata, has certain curative effect on hypertension, hyperlipidemia, hyperglycemia and cardiovascular and cerebrovascular diseases.

Pay attention to the roots of the same plant pueraria lobata. , are used as kudzu root medicine.

kudzu

The source is the root tuber of pueraria lobata in Leguminosae.

The Book of Songs, (Shuowen), (Bielu), (Tianbao Herbal Medicine) and Ye Bian Que.

Perennial liana, long 10 m, covered with tawny coarse hairs. Hypertrophy of tuberous root. Leaves alternate; Having a long handle; 3 compound leaves, long petiole at the top, rhombic and round leaves, sometimes with 3 lobes, 8 ~ 19 cm long and 6.5 ~ 18 cm wide, sharp apex, round base, white on both sides, pubescent and dense at the lower part; Lateral leaflets are small, elliptic or rhomboid-elliptic, sometimes with 2 ~ 3 wavy lobed. Racemes axillary, total pedicels densely covered with yellow-white fluff; Dense flowers; Bracts narrowly linear, caducous, bracteoles linear-lanceolate; Iris is blue-purple or purple, with a length of 15 ~ 19 cm; Calyx 5-toothed, calyx teeth lanceolate; Flag nearly round or oval, slightly concave at the apex and with two short spikes at the base. The wing flap is narrowly oval, shorter than the flag flap, usually only one side of the base has ears, and the keel flap is slightly longer than the wing flap. Stamens 10, dimorphic (9+1); Ovary linear, style curved. Pods are linear, flat, 6 ~ 9 cm long, 7 ~ 10 mm wide, densely covered with yellow-brown bristles. The seeds are oval, flat, reddish brown and shiny. The flowering period is from April to August. Fruit-bearing period: August ~ 65438+ 10.

Born on slopes, grasslands, roadsides and wet places. Distributed in Liaoning, Hebei, Henan, Shandong, Anhui, Jiangsu, Zhejiang, Fujian, Taiwan Province, Guangdong, Guangxi, Jiangxi, Hunan, Hubei, Sichuan, Guizhou, Yunnan, Shanxi, Shaanxi, Gansu and other places.

The vine (Pueraria lobata), leaf (Ge Ye), flower (Pueraria lobata) and seed (Pueraria lobata) of this plant are also used as medicine, and each one is introduced in detail.

collect

Mining in spring and autumn, washing, peeling, slicing, sun drying or sun drying. Guangdong, Fujian and other garbage slices, soaked in salt water, alum water or rice washing water, smoked with sulfur and dried in the sun, the color is whiter.

[Edit this paragraph] Medicinal value of Pueraria lobata

medicinal material

The dried root tuber is long and cylindrical, and the medicinal materials are cut into thick plates with different lengths, about 20 cm long, 5 ~ 10 cm in diameter and 0.7 ~ 1.3 cm in thickness. White or light brown, sometimes brown dander remains on the surface, the section is rough, and the fiber is strong. It is hard and heavy, rich in powder and contains a lot of fiber. In the cross section, you can see concentric ring layers formed by fibers, and in the longitudinal section, fibers and powder are interlaced with each other to form longitudinal stripes. Odorless and sweet. It is best to be big, solid, white, full of powder and less fiber; Loose, yellow, non-powdery, fibrous and so on.

It is produced in most parts of the country, mainly in Henan, Hunan, Zhejiang and Sichuan.