Oak bark

Oak bark

(notes on materia medica)

Another name: Gu Nu and Na Ge.

[source] it is the bark of tussah.

[plant morphology] oak (Herba gleanings), also known as chisel wood (compendium), chisel head wood (seeking the source of Materia Medica), red lemon, oak tree (herbal formula), lemon tree (classified herbal medicine), gourd thorn, thorn chisel, lemon banyan, yangzhimu, rat wood, wild cotton.

Evergreen trees, up to 2-10 m high, spiny to some extent, especially when young; branchlets glabrous or puberulent. Single leaf alternate, leathery, ovate, 3-7 cm long, 2-4.5 cm wide, apex acuminate, base broadly cuneate, obtuse or rounded, margin obtuse serrate, both sides bare, lateral veins 5-8 pairs; petiole 4-10 mm long. Racemes axillary, 1-2 cm long, puberulent; flowers unisexual, dioecious; flowers pale yellow or greenish yellow, about 5 mm in diameter, disk: sepals ovoid, about 1 mm long; petals absent; stamens numerous, 2-3 mm long. Berries globose, 3-4 mm in diameter, black when ripe. Seed 2. 3. It blooms in summer.

It grows in plain, hilly land or low part of hill. It is distributed in South, middle, West and East China.

The root (oak root) and branch (oak leaf) of this plant are also used for medicine. Please refer to the special section for details.

Bitter, sour and cool.

① Jiayou materia medica: "it tastes bitter, flat and nontoxic. "

② Compendium: "sour and astringent. "

③ "Seeking the source of Materia Medica": "pungent, slightly cold. "

[function indications] dry dampness, remove heat. Treatment of jaundice, rash, ulceration.

① "Materia medica Shiyi": "treating jaundice, burning powder, water taking Fangcun dagger, three days. "

② "The compendium of Medical Sciences": "to treat rat fistula, dystocia, birth and resuscitation. "

③ "Seeking the source of Materia Medica": "calming the liver, reducing fire, benefiting Yin, abortion, breaking the block. "

④ Classification of herbal medicine: "to treat blood caused by wine poison. "

[usage and dosage] decoct the soup for 2-3 yuan, or grind the powder.

[should avoid] pregnant women should not take it.

[formula selection] ① treatment of rat fistula: five liters of oak bark. A bucket of water, two liters of juice. (waitai)

② Treatment of rat bite: oak bark two money, angelica three points, Chuanxiong three points, honeysuckle one money, rhubarb five points, licorice one point. Take it in water. (Zhamu bark soup in emergency prescription selection)

③ Treatment of skin ulcers: oak bark, soil Poria cocos each three money, honeysuckle, Schizonepeta, rehmannia, peony, Fangfeng each two money, Achyranthes bidentata, papaya, Phellodendron amurense each one money. On ten flavors, ah Tsui, five with water, boil two and a half. Get rid of me, warm clothes. (new book of mildews)

According to the classic of Materia Medica, tussah bark is mainly used for jaundice patients. Jaundice is caused by dampness and heat stagnation in the stomach. This medicine can dry dampness and remove heat with slight cold. It also has the nature of going down and benefiting the orifices. Then dampness and heat come out from urine and subside. In this world, it is believed that the main medicine for dystocia is also the one for releasing and promoting resuscitation. With fish fat, ginseng, Qianlima, baicaoshuang, Achyranthes bidentata, angelica, motherwort for the birth of the drug. "

Chinese PinYin : Zha Mu Pi