Peucedanum

Peucedanum

(Lei Gong Paozhi Lun)

[source] it is the root of Peucedanum Peucedanum or Peucedanum Peucedanum.

[plant morphology] 1. Peucedanum Peucedanum, also known as Auntie dish, luoguicai (Li Zongfang's Qianzhi), shuiqianhu (a textual research on the name and reality of plants), wild celery, Yanfeng, nanshifangfeng, slope shifangfeng, jijiaoqianhu, yanchuanxiong.

Perennial herbs, 30-120 cm high. The root is conical. Stem erect, simple, upper branched. The basal leaves and lower leaves are papery, round to broadly ovate, 5-9 cm long, 2-3 times pinnate division, and the final lobes are rhomboid obovate, irregularly pinnate, with circular serrations; the petiole is 6-20 cm long, with broad sheath at the base, embracing the stem; the top leaves grow on the expanded leaf sheath. Compound umbel, terminal or axillary, pedicel 7-18, unequal, without involucre, bracteoles lanceolate, ciliate; calyx 5, short triangle; petals white, broadly ovate or nearly round, apex with inward curved tongue; stamens 5, anthers ovate; ovary hairy, style 2, very short. Suspensory fruit elliptic or ovoid, smooth glabrous, dorsal and median edge linear, lateral edge with narrow wings. The flowering period is from August to October. The fruit period is from October to November.

It is wild in the grass on the sunny hillside. It is distributed in Shandong, Shaanxi, Anhui, Jiangsu, Zhejiang, Fujian, Guangxi, Jiangxi, Hunan, Hubei, Sichuan and other places.

② Zihuaqianhu, also known as tudanggui (a textual research on the name of plants), yajiaoqi, wild capsicum, coriander, mulberry root seedling, yajiaoqianhu and yajiaoban.

Perennial herbs, 70-140 cm high. Root conic, brown yellow to brown, fragrant. Stem erect, simple, round, with edge on the surface and few branches on the upper part. The basal and lower leaves are papery, triangular and broadly ovate, 1-2 pinnately divided, 1-5 lobes, 3-5 lobes, 3-5 lobes, and 3-5 lobes. The leaves are axially winged, the terminal lobes and lateral lobes are connected at the base, and the base extends downward into wings. The final lobes are narrowly ovate or oblong, with sharp teeth. The upper leaves of the stem are simplified as leaf sheaths. Compound umbel terminal, 12-20 total pedicels, unequal length; involucral bracts 1-2, ovate, purple; most small pedicels; involucral bracts lanceolate; calyx teeth 5, triangular; petals dark purple, long ovate, apex acuminate, with 1 middle rib; stamens 5, anthers ovate; ovary glabrous, style 2, very short. The fruit is elliptic, 4-7 mm long, with sharp dorsal and middle ribs, filiform, and narrow wings. The flowering period is from August to September. The fruit period is from September to October.

Wild on hillsides, roadsides or under the jungle. It is distributed in Shandong, Henan, Anhui, Jiangsu, Zhejiang, Guangxi, Jiangxi, Hunan, Hubei, Sichuan and Taiwan.

[collection] harvest when the aboveground parts wither in autumn and winter, dig out the main roots, remove the stems and leaves, fibrous roots and soil, and dry them in the sun or on the Kang.

(1) Peucedanum praeruptorum

Also known as yunqianhu, xinqianhu. The main root is conical, cylindrical or spindle shaped, slightly curved or branched, but the root end and branch root are mostly removed, 3-9 cm long and 1-1.5 cm in diameter. The surface is dark brown or grayish yellow. There are stem marks and residual coarse hairs (leaf sheath) on the head of the root. The upper part of the root is densely crinkled, mostly black, and the lower part is longitudinally furrowed and wrinkled, with transverse lenticels and fibrous root marks. It is soft and easy to break; the section is loose; the bark is the main part of the root, the surrounding is milky white, the inner layer has yellowish brown ring, the central xylem is narrow, with yellowish white chrysanthemum pattern; a little golden, scattered, most. It's fragrant, sweet and bitter. It's better to be neat, long, yellow white and fragrant.

It is mainly produced in Zhejiang, Hunan and Sichuan. In addition, it is also produced in Guangxi, Anhui, Jiangsu, Hubei and Jiangxi.

② Peucedanum purpureum

Taproot divergent or lateral. The main root is cylindrical, 8-15 cm long and 0.8-1.7 cm in diameter, with stem marks and residual coarse hairs (leaf sheath) on the head of the root; several lateral roots, 7-30 cm long and 2-4 mm in diameter, are thin cylindrical. The surface of the root is dark brown or grayish yellow, with fine longitudinal wrinkles and grayish white lenticels. The main root is solid, not easy to break, the section is uneven, the bark and wood are easy to separate, the bark is narrow, light brown, scattered yellow oil spots, close to the cambium; the central essence is yellowish white, accounting for the majority of the root; the branch root is brittle and soft, easy to break, the wood is nearly white. It has fragrance, light taste, bitter and pungent. It's better to be neat, long, solid, yellow white and fragrant.

It is mainly produced in Zhejiang, Anhui and Jiangxi. In addition, it is also produced in Shandong, Shanxi, Shaanxi and other places.

In addition to the above two species, there are also the roots of the same genus, shifangfeng, which are also used as Peucedanum in Shaanxi, Hebei, Henan, Guangxi and other places, and are commercially known as "hard seedling Peucedanum". See "stone windbreak" section.

[chemical constituents] the root of Peucedanum praeruptorum contains about 1.61% coumarins. It also contains sponge sterol, mannitol and volatile oil. The main components of the volatile oil were actosterol and limonene. The roots of Peucedanum praeruptorum contain Peucedanum a, B, C and D.

[pharmacological action] the method of collecting tracheal mucus secretion in anesthetized cats proved that oral administration of zihuaqianhu Decoction 1 g / kg can significantly increase the secretion of airway mucus, so it has expectorant effect. 1.8% iodine was injected into the chest cavity of the cat. The results showed that prehypterin (see "shifangfeng" article) had antibacterial and antifungal effects.

[processing] Peucedanum praeruptorum: clean the impurities, remove the reed, clean the soil, slightly soak, remove, moisten, slice and dry. Honey Peucedanum: take the Peucedanum tablets, mix well with refined honey and proper amount of boiling water, put them in a pot, stir fry them gently until they don't stick to your hands, take them out and let cool. (100kg Peucedanum tablets, 20kg honey)

"Lei Gong Pao Zhi Lun" says: "in order to cultivate the peucedans, first use a knife to scrape the black skin of the upper heaven, and then use a fine file to clean the mustache and soil. Then use sweet bamboo to soak and moisten it, and dry it in the sun. "

Bitter, pungent and cool.

① "The taste is sweet and slightly bitter. "

② Bielu: "it tastes bitter, slightly cold and nontoxic. "

③ "On medicinal properties": "taste sweet and pungent. "

④ "South Yunnan Materia Medica" says: "cold in nature, bitter and pungent in taste. "

⑤ Compendium: "it tastes sweet and pungent, and its Qi is slightly flat. "

[meridian tropism] entering lung and spleen meridians.

① "Compendium": "hand foot Taiyin, Yangming. "

② "Lei Gong's treatment of medicinal properties": it enters the four channels of lung, liver, spleen and bladder. "

③ According to the classic of Materia Medica, "Taiyin and Shaoyang are the starting points. "

Functions and indications: dispersing wind heat, lowering Qi and eliminating phlegm. Treatment of wind heat headache, phlegm heat cough asthma, nausea, chest diaphragm full stuffy.

① Bielu: "it is mainly used to treat phlegm in the chest and hypochondriac, Qi in the heart and abdomen, pain in the limelight, excess phlegm and lower Qi. It can treat typhoid fever, eliminate the old and bring forth the new, improve eyesight and essence. "

② According to the theory of medicinal properties, "to remove heat and excess, to lower Qi, to control the internal and external heat of Qi, and to cook and take it alone is better. "

③ Rihuazi materia medica: "it can cure all kinds of fatigue, lower all kinds of Qi, stop coughing, break all kinds of knots, appetize and eat, dredge the five zang organs, control cholera, turn tendons, bone knot depression, nausea, vomiting, asthma, stillbirth, infantile malnutrition. "

④ "Diannan Materia Medica" says: "it is necessary to dissolve typhoid fever, perspire, stop cough, lift liver qi, improve eyesight, eliminate Yi, and produce phlegm inside and outside. "

⑤ "Compendium": "clearing lung heat, resolving phlegm heat, dispersing wind evil. "

[usage and dosage] oral administration: decoction, 1.5-3 yuan; or into pills, powder.

[taboo] 1. Notes to the classic of materia medica: "Pinellia is its envoy. Gleditsia sinensis. Fear Veratrum. "

② According to the classic of Materia Medica, it is not allowed to treat the disease of qi deficiency and blood deficiency. For those who suffer from Yin deficiency and fire, suffer from true Yin, coagulate into phlegm and cough; for those who suffer from true Qi deficiency and Qi does not return to its original state, resulting in chest and hypochondriac fullness; for those who have headache, not due to phlegm, but due to Yin and blood deficiency; for those who are upset by internal heat and cold and heat rather than external sensation, the method is forbidden. "

[prescription selection] 1. Cough, mucus and saliva are thick and sticky, and the heart is not good. Sometimes there are irritating heat: one or two of Peucedanum praeruptorum (remove the head of reed), one or two of Maimendong (remove the heart), one or two of Fritillaria Fritillariae (simmer slightly yellow), one or two of sanggen Baipi (file), one or two of almonds (soak in soup, remove the tip of skin, stir fry slightly yellow with bran), one of licorice (stir fry slightly red, file). Apply the medicine and sieve it as powder. Each serving four money, with a cup of water, into ginger half, fried to six, to dross, regardless of time, warm. (shenghuifang Qianhu powder)

② Treatment of lung heat, cough, phlegm, dyspnea: Peucedanum (to Lutou) one or two, Fritillaria (to heart), Baiqian each one or two; Maimendong (to heart, baked) one or two, aurantium (to pulp, bran fried) one or two, peony (also), Ephedra (to root section) each one or two, rhubarb (steamed) one or two. On eight flavor, finely cut, such as beans. Take three daggers each time, one with water, decoct for seven minutes, remove dross, take warm clothes after eating, two days later. (Qianhu drink in Shengji Zonglu)

In the compendium, Qianhu is the medicine of hand and foot Taiyin and Yangming, which is different from Bupleurum which has pure Yang rising, Shaoyang and Jueyin. Its function is better than lower Qi, so it can treat phlegm heat, asthma, fullness and diaphragmatic vomiting. The lower the Qi, the lower the fire, and the lower the phlegm. Tao Hongjing said that he and Bupleurum have the same merits. Although they treat the same symptoms and signs, they are different. "

② Bencao Huiyan: "Qianhu is a medicine for dispersing wind and cold, clearing exterior evil, warming lung qi and eliminating phlegm and cough. For example, for the syndrome of cold, cough, phlegm and asthma, heavy voice and excessive Qi, the evil is also in the lung meridian; for the syndrome of typhoid, headache, aversion to cold, fever and bone pain, the evil is also in the bladder meridian; for the syndrome of chest and flank fullness and qi stagnation, the evil is also in the middle diaphragm. In addition, she has fever during pregnancy and is unwilling to eat; in children, she has fever and has no sore rash; in adults, she has phlegm heat and refuses to block the adverse Qi. This evil Qi is blocked between the Li and Li, and can be treated with Peucedanum. According to Luo Yijing, Qianhu can remove cold phlegm, Banxia can remove damp phlegm, Nanxing can remove wind phlegm, Zhishi can remove excess phlegm, louren can treat dry phlegm, Fritillaria and Maimendong can treat deficiency phlegm, Huanglian and trichosanthin can treat hot phlegm

Chinese PinYin : Qian Hu