Lettuce

Lettuce

(dietotherapy materia medica)

[synonym] lettuce (behind the elbow), qianjincai (qingyilu), lettuce (Diannan materia medica), lettuce (compendium), Shucai (Hebei medicinal materials).

[source] stems and leaves of lettuce, a Compositae plant.

Lettuce

Herbs annual or biennial. The stem is erect, smooth and glabrous. When tender, it is stick like and plump like a bamboo shoot. If it is not harvested, it will gradually elongate into a flower stem and blossom on the upper part of the branch. The leaves are clustered at the base, oblong, obovate or ligulate, or lanceolate, with entire or marginal folds, or irregular dentate notches; the cauline leaves are alternate, and the base is auricular. The inflorescence has long peduncle, arranged into terminal panicle flower cluster; involucre is cylindrical, bracts are multilayer, imbricate arrangement; flowers are bisexual, all tongue shaped flowers, tongue apex 5-toothed, yellow; stamen 5; ovary inferior, stigma 2-lobed. Achene ovate, flat, 3 prominent longitudinal ribs on sea surface, apex beaked. Seeds dark brown or gray white. It blooms in summer.

It is cultivated in most parts of the country.

The seeds of this plant (Lactuca sativa L.) are also used for medicinal purposes.

Generally, the varieties of lettuce are white lettuce, flower leaf lettuce, pointed leaf lettuce, purple leaf lettuce and so on, which are different due to their shape and color. The leaves of white lettuce are light green, and the stem skin is light green and white. Perilous is called "Bai Chou" in ancient times. See "Bai Chou".

[collection] harvest in spring when the young stem is big.

It is bitter, sweet and cool.

① Jiayou materia medica: "cold, slightly toxic. "

② "Daily use Materia Medica": "bitter taste, cold flat. "

③ "Yin Shan Zheng Zheng": bitter, cold, nontoxic. "

④ Yilin zuanyao: "bitter, sweet, cold. "

[Guijing] 1. Ben Cao Qiu Zhen: "enter the intestines and stomach. "

② Compendium of materia medica: "hand Shaoyin meridian. "

[function indications] it is used to treat dysuria, dysuria and milk obstruction.

① In the collection of materia medica: "it benefits the five zang organs, unblocks the meridians, and opens the chest and diaphragm. "

② Daily use materia medica: "benefit five zang organs, tonify muscles and bones, open diaphragm heat, dredge meridians, remove breath, whiten teeth, and brighten eyes. "

③ "Diannan Materia Medica": "it can cure cold accumulation, insect accumulation, phlegm and fire condensation, and qi stagnation. "

④ "The compendium of Medical Sciences": "it can dredge milk, facilitate urination, kill insects and snake venom. "

⑤ Yilin zuanyao: "purging the heart, removing the heat, relieving the burning poison. "

⑥ According to the diet of suixiju: "it's convenient, easy to analyze and easy to eat. "

[usage and dosage] oral administration: decoction. External use: tamping.

[taboo] 1. Ben Cao Yan Yi: "eating too much makes people blind. "

② "Diannan Materia Medica": "often eat eye pain, known as eye disease should not. "

[formula selection] 1. To cure persistent urination: mash lettuce into mud, make a cake and stick it on the navel. (maritime side)

② Treatment of urine and blood: lettuce, tamped on the navel. (compendium)

③ Treatment of postpartum milk free: lettuce three, research for mud, good wine tune open service. (maritime side)

④ Treatment of sand lice: apply lettuce juice. (behind the elbow)

⑥ Treat your ears: lettuce leaves a point (dry), realgar a point. Mash it for powder, and use batter and pills as big as Gleditsia seed. Take a little Shengqu, break a pill, pour it in the ear, and the worm will come out. (Sheng Hui Fang)

⑥ Treatment of 100 insects in the ear: lettuce mash juice, drop in and out. (St. Francis general records).