Iron stick yam: Iron stick yam has been applied for as a national origin protection product by Jiaozuo! The origin is Jiaozuo!

Chinese 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 test results of Chinese Academy of Sciences, Tiegun Yam is rich in16% starch, mucinous 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, the product has the following characteristics:

1. Tonifying the middle energizer: Tiegun Yam is rich in 18 amino acids and 10 trace elements, and other minerals, so it has the functions of strengthening the spleen and stomach, tonifying the lung and kidney, tonifying the middle energizer, invigorating the spleen and tonifying the deficiency, consolidating the kidney and replenishing essence, and calming the nerves. Li Shizhen's Compendium of Materia Medica has the functions of "invigorating the spleen and tonifying the kidney, nourishing essence and treating diseases".

Second, quenching thirst and promoting fluid production: This yam has the effect of quenching thirst and promoting fluid production: In the prescriptions of Chinese medicine for treating fatigue and quenching thirst (diabetes), yam is often used singly, or combined with other drugs, with better effect.

3. Health care: As 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, and has 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, a spleen and stomach expert in the Yuan Dynasty, said: "Treating dry skin is to moisten it with this thing. "Li Shizhen wrote:" Chinese yam can moisten fur. "Chinese yam has a unique effect on nourishing skin, bodybuilding and beauty.

5. Special pharmacological functions: The copper ions and connective tissues in yam are of great help to human development and have obvious curative effects on vascular system diseases. The calcium in iron-stick yam has a very high curative effect on bone injury, osteoporosis and tooth loss, and also has a very good curative effect on patients with chilblain, diabetes, hepatitis, infantile diarrhea, enuresis, infantile dyspepsia, ulcerative stomatitis, tuberculosis and women's menstrual discharge.

The reason why wen county's yam is famous is that the natural conditions such as soil, water quality and climate in wen county are suitable for yam growth. The same variety is planted in other areas, but the quality of the product is inferior, weak, frivolous, multi-ribbed, with little drug effect, boring to eat, and rotten when cooked in the pot. Throughout the ages, wen county yam has been regarded as an excellent treasure.

Clinical studies at home and abroad have confirmed that yam can nourish and keep fit and delay aging. Prevent and treat arteriosclerosis and coronary heart disease, improve intelligence and brain, tonify deficiency and lower blood sugar, and treat diabetes. Yam is edible and medicinal, with high medicinal value, and has been used to treat more than 200 diseases.

Usage and dosage: Wash and peel, cut into pieces, steam, boil, stew and stir fry, and take150-200g daily, which has extremely high health care and disease treatment effects on human body.

Medicinal value of Chinese yam:

Tonifying spleen and stomach, promoting fluid production and benefiting lung, tonifying kidney and astringent essence. It can be used for spleen deficiency, anorexia, chronic diarrhea, lung deficiency, asthma and cough, kidney deficiency, nocturnal emission, frequent urination, and deficiency heat to quench thirst. Tonifying spleen and stomach, promoting fluid production and benefiting lung, tonifying kidney and astringent essence. Fried yam with bran tonifies spleen and stomach. For spleen deficiency, anorexia, diarrhea, loose stool, and excessive leucorrhea.

There are four Huai medicines in traditional Chinese medicine, which refer to the yam, rehmannia root, chrysanthemum and Achyranthes bidentata produced in Henan. Huai refers to the origin of Henan, and the ancients called it authentic medicine (that is, the authentic or real origin we said). Therefore, Huai yam is the yam produced in Henan by doctors. 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 properties.

There are many such names, such as Yunling (Poria cocos from Yunnan) and Chuanlian (Coptis chinensis from 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, a vegetable, and a snack such as candied haws.

China is mainly produced in Bo 'ai, Qinyang, Wuzhi, wen county and other places in Henan Province, and it is 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 types of yam cultivated in China: common yam and sweet potato. Ordinary yam tubers are smaller, among which "Jiaoban Potato" from Sichuan and other places, Huai Yam from Huai County, Shanxi Province, and Huai Yam from Nancheng, Jianghan are the most famous.

Yam is not only a good edible vegetable, but also a commonly used medicinal material. Artificially planted yam is white in meat color, sweet and full of powder, large and firm, and is mostly used for food.

Dioscorea opposita is the root tuber of Dioscorea opposita, which has the effects of invigorating spleen and stomach, 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, leukorrhagia, etc.

Yam, as a health food, has a history of at least 2000 years in China. It was listed as the top grade in Shennong Materia Medica in the Eastern Han Dynasty, but it may be wild at that time and has not yet entered the stage of artificial cultivation. In the Tang Dynasty, The Four Seasons Compendium quoted the Yaoshu of Mountain Residence written by Taoist Wang, and recorded the cultivation of yam in detail. According to Chinese medicine, yam "supplements deficiency in the main injury, eliminates cold and heat pathogens, supplements the middle energizer, grows muscles, and is smart after long-term service". Many classical medical books have made high comments on yam. In the folk, yam is known as a nourishing 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 on cardiovascular system, maintain vascular elasticity and prevent atherosclerosis from happening prematurely; Can reduce subcutaneous fat accumulation; It can prevent the atrophy of connective tissue and prevent the occurrence of collagen diseases such as rheumatoid arthritis and scleroderma. Many nourishing prescriptions, such as Liuwei Dihuang Pill, Qiju Dihuang Pill, Guipi Decoction, Shenling Baizhu Powder and other traditional Chinese medicines all contain yam. Bazhen cake, a life-prolonging food spread from the Ming Dynasty to the present, is a cake made of eight kinds of Chinese medicines, such as yam, hawthorn and malt, and made of rice flour. It is used to treat the diseases of spleen and stomach weakness, eating less, abdominal distension, sallow and emaciated face and diarrhea in loose stool, and the effect is remarkable.

There are many ways to eat yam. For example, for spleen and stomach weakness, use 200 grams of fresh yam, 30 grams of jujube and appropriate amount of japonica rice, and add sugar to the porridge. Or fresh yam100g, millet 50g, boiled porridge with sugar; Another yam with lentils, lotus seeds and other porridge can also be taken. For chronic cough due to lung deficiency and nocturnal emission due to kidney deficiency, fresh yam10g can be mashed, and half a cup of sugarcane juice can be added and mixed evenly, and then it can be stewed and taken. You can also take it with yam juice alone. Yam is a tonic food and has astringent effect, but it is not suitable for people with damp-heat and cold evil and constipation.