There are many records about Toona sinensis in pre-Qin literature. Zhuangzi said that "there was a big tree in ancient times, eight thousand years old is spring, and eight thousand years old is autumn", so people who live long are still called "spring longevity".
Edible records began to appear in Tang Materia Medica and Dietotherapy Materia Medica in the Tang Dynasty. According to "Dietotherapy Materia Medica", "Toona sinensis shoots eat more wind and smoke the twelve meridians and five internal organs, which makes people sleepy. If you often eat with pork and hot noodles, it will be full in the middle and cover the meridians. It is not advisable to overeat.
There are more records in Qing dynasty. There is a folk saying that "there is Toona sinensis in front of the door, and spring vegetables are always in bloom", and there is a saying that "Toona sinensis buds are tender and silky before the rain". It is also a good dish in early spring, which should be available in the city market in spring.
Traditional Chinese medicine generally believes that Toona sinensis tastes bitter and cold, and it has the effects of clearing away heat and toxic materials, invigorating stomach and regulating qi, astringing intestines to stop bleeding, killing insects and fixing sperm, and beauty beauty, and has the auxiliary treatment effect on enteritis, dysentery and hemorrhoids. The root bark and seeds of Toona sinensis can be used as medicine. Toona sinensis root bark tastes bitter, astringent and cool, and has the functions of clearing heat, eliminating dampness, astringing intestines, stopping bleeding and killing insects. Can be used for treating chronic diarrhea, metrorrhagia, leukorrhagia, nocturnal emission, and tinea sores. Toona sinensis seeds are pungent, bitter and warm, and have the function of expelling wind, dispelling cold and relieving pain. They are used to treat common cold, epigastric pain, rheumatic joint pain and hernia. It should be reminded that Toona sinensis is a kind of "hair", and eating more is easy to induce the recurrence of chronic diseases, so patients with chronic diseases should eat less or not. Because Toona sinensis is cold, people with chronic enteritis and dysentery should not eat more.
People usually mash Toona sinensis buds, take juice and apply it to the face, so as to moisten the skin and treat facial diseases, beauty beauty. The external application of Toona sinensis bud, garlic and salt has a good effect on the treatment of sores and carbuncle. Toona sinensis skin can clear away heat and dry dampness, cool blood and stop bleeding, and treat diarrhea, nocturnal emission, anal fissure, hemorrhoid bleeding, intestinal ascaris and so on. There are many prescriptions: take fresh Toona sinensis leaves 60 ~ 120g and decoct in water to treat chronic enteritis and dysentery; Take Toona sinensis bark18g, decoct in water, and treat gastric and duodenal ulcer; Take 25g of Toona sinensis bark, 5g of pomegranate bark 15g, and 5g of brown sugar 15g, and decoct them in water twice a day, which can cure hemorrhoids, hematochezia, metrorrhagia and other diseases. Toona sinensis bud 12g, boiled in water or brewed in boiling water, one dose per day for 7 days, has a good effect on controlling blood sugar; The buds and leaves of Toona sinensis for external use can be washed, mashed, squeezed and rubbed to promote hair growth.