Boat-fruited Sterculia (also known as Annanzi, Haizi and Dadongguo) cannot be taken for a long time without illness. It is named after it swells into sponginess when it meets water, and it is the mature seed of Sterculia lychnophora, a perennial deciduous tree plant of Wutong family. Chinese medicine believes that boat-fruited Sterculia is sweet in taste and cool in nature. It enters the lungs and intestines, and has the effects of clearing away lung heat, relieving sore throat, detoxifying, moistening intestines and relaxing bowels. Used for hoarseness due to lung heat, sore throat, heat constipation and excessive use of sound. However, it has only a certain auxiliary effect on sore throat and acute tonsillitis caused by exogenous factors. As for vocal nodules, vocal polyps, vocal cord dysfunction, and hoarseness caused by excessive stimulation of alcohol and tobacco, boat-fruited Sterculia is ineffective. Modern pharmacological studies have confirmed that boat-fruited Sterculia contains boat-fruited Sterculia, Astragalus gum and astringent substances. Its extract can obviously increase intestinal peristalsis and promote diarrhea and diuresis. If the old man suddenly loses his voice and loose stool due to spleen deficiency, blind use of boat-fruited Sterculia will lead to side effects such as weakness of spleen and stomach, thin stool, reduced diet, chest tightness and emaciation, which is harmful to the health. Therefore, boat-fruited Sterculia soaking in water should not be used as a daily health drink for a long time. Boat-fruited Sterculia is a traditional Chinese medicine, but it still has some side effects. It should be taken under the guidance of a doctor. Boat-fruited Sterculia generally uses 3-5 tablets, which can be decocted or drunk as a soaking agent. Clinically, it is used for lung qi stagnation, phlegm-heat cough, hoarseness, sore throat and so on. It is often used with Radix Platycodi, Radix Glycyrrhizae, Periostracum Cicadae, Herba Menthae, Flos Lonicerae and Radix Ophiopogonis. For mild heat constipation, it can be taken by soaking juice alone, and for severe constipation, it needs to be combined with rhubarb, mirabilite and other suitable heat-clearing and laxative drugs. Boat-fruited Sterculia can be used externally to treat "pink eye". In the early stage of pink eye, take 3 ~ 4 big and hard boat-fruited Sterculia and soak them in cold boiled water for later use. After washing the affected eyes with 0.9% normal saline, the scattered boat-fruited Sterculia completely covered the upper and lower eyelids of the affected eyes (each affected eye 1 ~ 2) and fixed them with gauze. Once a night, it can be cured in 3-4 days. Interviewee: yuwei 7883- Jianghu Hero Grade 9 5-113: 27 Boat-fruited Sterculia [function indication] has the functions of clearing away heat and moistening lung, relieving sore throat and detoxicating, and relaxing bowels. It is used for hoarseness due to lung heat, dry cough without phlegm, dry throat pain, heat constipation and headache with red eyes and boat-fruited sterculia, which was first seen in Addendum to Compendium of Materia Medica. Modern research shows that its seed coat contains pentosan and mucus, which belongs to pectin acid and consists of galacturonic acid, arabinose, galactoacetic acid, calcium and magnesium. It contains the active ingredients of boat-fruited Sterculia, about 65438 0% of volatile oil, about 59.04% of Morinda officinalis, and about 65438 0.6% of astringent substances. At present, Chen Jianmin, Institute of Medicinal Plants, China Academy of Sciences, has studied the fatty acid methyl ester derivatives of Sterculia sterculia by modern science and technology, and separated and identified six non-fat components, namely D- galactose (I), L- rhamnose (II), sucrose (III), 2,4-dihydroxy benzoic acid (N), β-sitosterol (V) and carotene. Except (Ⅰ) and (Ⅱ), all the others were isolated from this plant for the first time. Boat-fruited Sterculia extract has mild diarrhea effect on rabbit intestine. The mechanism is that boat-fruited Sterculia can increase the intestinal content, produce mechanical stimulation, and cause the increase of reflex intestinal peristalsis. Boat-fruited Sterculia (fat-removed dry powder) made into 25% solution can obviously reduce the blood pressure of dogs and cats by intravenous injection, intramuscular injection or oral administration. Intravenous injection of 5mg of boat-fruited Sterculia has diuretic effect on anesthetized dogs, and the extract of boat-fruited Sterculia has the strongest effect. Using the method of induction current stimulation, it is proved that all the extracts of boat-fruited Sterculia have improved the pain threshold of guinea pigs to a certain extent, which shows that boat-fruited Sterculia has analgesic effect, and the effect of boat-fruited Sterculia is the strongest. Boat-fruited Sterculia has anti-inflammatory effect, which is one of the commonly used Chinese medicines widely used in clinic, and is often used for tonsillitis and esophagitis. Recently, Chinese Journal of Urology reported that Zhang et al. studied the inhibitory effect of Sterculia Lychnophoroides extract on the formation of calcium oxalate crystals in vitro, and also observed the difference and influence of urolithiasis between patients with urolithiasis and healthy people. The results showed that boat-fruited Sterculia has obvious inhibitory effect on the crystallization of calcium oxalate in vivo and in vitro, and can increase the excretion of aminopolysaccharide in patients' urine. At present, urolithiasis is also a common and frequently-occurring disease in China, which will bring patients a new way of medication. Therefore, further research on boat-fruited Sterculia is likely to develop a better new drug, boat-fruited Sterculia tea, which cannot be drunk for a long time. Many people like to eat boat-fruited Sterculia to protect their throats, while others feel uncomfortable with their throats because of the dry climate. There are also some professionals, such as teachers and singers. Who uses his voice too much will have a sore throat; Some smokers smoke for a long time, fall into the problem of chronic pharyngitis, and love to drink boat-fruited Sterculia tea. However, it should be pointed out that it may not be appropriate to drink boat-fruited Sterculia tea for a long time. Traditional Chinese medicine theory: many people are not suitable for boat-fruited Sterculia. Boat-fruited Sterculia is a dry and mature seed of deciduous tree Boat-fruited Sterculia. This medicine was first seen in Compendium of Materia Medica, commonly known as Dafa. Because of boiling water, it cracked and expanded, almost filling the whole cup, hence the name. Chinese medicine believes that boat-fruited Sterculia is cold and sweet, which has two major effects. One is to clear lung qi, which can be used for acute pharyngitis and tonsillitis caused by wind-heat invading the lung, such as fever, sore throat, dry mouth and dry cough when catching a cold; The second is to clear the bowels and relieve constipation caused by excessive internal heat. The following conditions are not suitable for boat-fruited Sterculia: First, the constitution of spleen and stomach deficiency and cold is manifested as loss of appetite, cold pain in the abdomen, warm and pressure, and thin stool. At this time, taking boat-fruited Sterculia is easy to cause diarrhea and damage vitality; Second, cough and sore throat caused by cold and cold, manifested as aversion to cold, physical weakness, cough with white phlegm; Third, the cough caused by lung yin deficiency is also characterized by dry cough without phlegm and hoarseness, but this situation is mostly a chronic respiratory disease. Modern pharmacological research: Boat-fruited Sterculia has certain toxicity.

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