Origin: iron stick yam: iron stick yam has been applied by Jiaozuo as a national origin protection product! The place of origin is Jiaozuo! Yam: It is mainly produced in Bo 'ai, Qinyang, Wuzhi, wen county and other places in Henan Province, and also cultivated in Hebei, Shanxi, Shandong, Central South and Southwest China. Medicinal value of iron stick yam: According to the analysis results of Chinese Academy of Sciences, iron stick yam is rich in 16% starch, mucin glycoprotein, choline, vitamin C and mannan; It also contains 18 amino acids such as glutamic acid, tyrosine and alanine, and more than ten trace elements such as iron, calcium, zinc, phosphorus, manganese, cobalt and copper. According to pharmacological and clinical research results, this product has the following characteristics: 1. Buzhong Yiqi: Tiegun Yam is rich in 18 amino acids, 10 trace elements and other minerals, so it has the effects of strengthening the spleen and stomach, tonifying the lung and kidney, invigorating the middle energizer, invigorating the spleen and tonifying the deficiency, consolidating the kidney and replenishing essence, nourishing the heart and calming the nerves. Li Shizhen's Compendium of Materia Medica contains "invigorating the spleen and nourishing the heart". Second, quenching thirst and promoting fluid production: This yam has the effect of quenching thirst and promoting fluid production: in the prescriptions of traditional Chinese medicine for treating fatigue and diabetes, yam is often used alone or in combination with other drugs, with better effect. 3. Health care: Because fresh yam is rich in vitamins, amino acids and minerals, it can prevent and treat abnormal lipid metabolism and arteriosclerosis, and also has a certain effect on maintaining the normal function of insulin, with health care functions such as enhancing human immunity, benefiting the heart and calming the nerves, relieving cough and asthma, and delaying aging. Fourth, beauty: Li Jing, an expert on spleen and stomach in the Yuan Dynasty, said: "To cure dry skin, it is to moisten it with this thing." Li Shizhen wrote: "Yam can moisten fur." Yam has a unique effect on nourishing skin, bodybuilding and beauty. 5. Special pharmacological effects: The copper ions and connective tissues in yam are very helpful to human development and have obvious curative effects on vascular diseases. The calcium in iron stick yam has a high curative effect on bone injury, osteoporosis and tooth loss, and also has a good curative effect on chilblain, diabetes, hepatitis, infantile diarrhea, enuresis, infantile dyspepsia, oral ulcer, tuberculosis and women with menorrhagia. The yam in Wenxian County is famous because the soil, water quality, climate and other natural conditions in Wenxian County are suitable for yam growth. The same variety is grown in other areas, but the product is inferior in quality, weak, frivolous, multi-ribbed, and has little efficacy. It is boring to eat, and it will rot if cooked in a pot. Throughout the ages, wen county's yam has been regarded as an excellent treasure. Clinical studies at home and abroad have confirmed that yam can nourish and strengthen the body and delay aging. Prevent and treat arteriosclerosis and coronary heart disease, improve intelligence and brain, tonify deficiency and reduce blood sugar, and treat diabetes. Yam is both edible and medicinal, and has high medicinal value. Clinically, it is used to treat more than 200 diseases. Usage and dosage: Wash, peel, cut into pieces, steam, boil, stew and stir fry. The daily intake is150-200g, which has extremely high health care and disease treatment effects on human body. Medicinal value of yam. : Spleen and stomach, body fluid and lung, kidney and essence. Can be used for treating spleen deficiency, anorexia, chronic diarrhea, lung deficiency, asthma and cough, nocturnal emission due to kidney deficiency, frequent micturition, and deficiency heat to quench thirst. Tonify spleen and stomach, promote fluid production and benefit lung, and tonify kidney and astringent essence. Fried yam with bran tonifies the spleen and stomach. For spleen deficiency, anorexia, diarrhea, loose stool, and leukorrhagia. There are four kinds of Huai drugs in Chinese medicine, which refer to yam, rehmannia, chrysanthemum and Achyranthes bidentata produced in Henan. Huai refers to the origin of Henan, which the ancients called authentic medicinal materials (that is, what we call authentic or real origin). Therefore, Dioscorea opposita is the yam produced in Henan as the doctor said. Among them, "Huilou Yam" is a famous traditional local product, which is produced exclusively by Huilou in Yucheng County, Henan Province due to its soil quality. There are many such names, such as Yunling (Poria cocos produced in Yunnan) and Chuanlian (Coptis produced in Sichuan). Because of its rich nutrition, it has been regarded as a good tonic with good quality and low price since ancient times. It can be used as a staple food or as snacks such as vegetables and sugar-coated haws. China is mainly produced in Bo 'ai, Qinyang, Wuzhi, wen county and other places in Henan Province, and also cultivated in Hebei, Shanxi, Shandong, Central South and Southwest China. After the stems and leaves wither in winter, dig, cut off the roots, wash and dry. There are two main kinds of yam cultivated in China: common yam and sweet potato. Common yam tuber is smaller, among which "Jiaoban Potato" in Sichuan and other places, Huai Yam in Huai County of Shaanxi Province and Huai Yam in Cheng Nan of Jianghan are the most famous. Yam is not only a good edible vegetable, but also a commonly used medicinal material. The artificially planted yam is white, sweet and full, big and firm, and is mostly used for eating. Yam is the root tuber of Dioscorea opposita Thunb, which has the functions of invigorating spleen, regulating stomach and tonifying lung and kidney. Can be used for treating chronic diarrhea due to spleen deficiency, chronic enteritis, cough and asthma due to lung deficiency, chronic gastritis, diabetes, nocturnal emission, enuresis, and leukorrhagia. As a health food, Chinese yam has a history of at least 2000 years in China. In the Eastern Han Dynasty, it was listed as the top grade in Shennong Materia Medica, but it was probably wild at that time and had not yet entered the stage of artificial cultivation. The Outline of the Four Seasons in the Tang Dynasty quoted the Taoist Wang's Mountain Residence, and recorded the planting situation of yam in detail. Chinese medicine believes that yam "tonifies deficiency in the main injury, eliminates cold and heat, tonifies middle energizer, grows muscles, and becomes smart after taking it for a long time". Many classic medical books have a high evaluation of yam. In the folk, yam is called a nourishing good product. It contains protein, sugar, vitamins, fat, choline, amylase and other components, as well as iodine, calcium, iron, phosphorus and other indispensable inorganic salts and trace elements. According to modern scientific analysis, the biggest feature of yam is that it contains a lot of mucin. Mucin is a mixture of polysaccharide and protein, which has special health care effect on human body, can prevent fat from depositing in cardiovascular system, maintain vascular elasticity and prevent atherosclerosis from happening prematurely; Can reduce subcutaneous fat accumulation; It can prevent connective tissue atrophy and prevent collagen diseases such as rheumatoid arthritis and scleroderma. Many nourishing prescriptions, such as Liuwei Dihuang Pill, Qiju Dihuang Pill, Guipi Decoction, Shen Ling Baizhu Powder and other traditional Chinese medicines all contain yam. Bazhen cake, a life-prolonging food spread from the Ming Dynasty, is a cake made of eight kinds of Chinese medicines, including yam, hawthorn and malt, and rice flour. It can be used for treating spleen and stomach weakness, anorexia, abdominal distension, sallow and emaciated, and loose stool's diarrhea with remarkable effect. There are many ways to eat yam. For example, spleen and stomach weakness, with fresh yam 200 grams, jujube 30 grams, the right amount of japonica rice, porridge with sugar. Or fresh yam100g, millet 50g, porridge with sugar; Another kind of yam can also be cooked with lentils, lotus seeds and other porridge. For chronic cough due to lung deficiency and nocturnal emission due to kidney deficiency, mash 10g fresh yam, add half a cup of sugarcane juice, mix well and stew while it is hot. You can also take it with yam juice alone. Yam is a nourishing food with astringent effect, but it is not suitable for people with damp-heat and cold pathogen and constipation.

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