Generally, raw yam is more nourishing and nourishing than fried yam, but many people confuse Huaiyuan yam and iron-bar yam. So, is Huaiyam raw yam? Is Huaiyam an iron-rod yam?

Is Huaiyam a raw yam?

Alias ??of raw yam: hairy yam, bare yam, wild yam, white sweet potato, dioscorea, vegetable yam, yam, mountain potato, king potato , five-leaf yam, fan yam, zhuzhi, wild white potato, wild yam, crispy, buffalo yam, tops, Japanese yam, Buddha's palm yam, long yam, white yam, yam, jade yam, potato, yam , Department Preliminary, Department Yu, Jiuhuang Jiang.

Huaiyam is a precious medicinal material grown in Henan that can strengthen the spleen, stomach, liver and kidneys. There are many yam producing areas in my country, but the yam produced in Jiaozuo City, Henan Province is the best. Jiaozuo was called Huaiqing Prefecture in ancient times, so the yam here is also called Huaiyam. Yam, also known as yam, is native to northern China, with the main production area being Henan. It is currently widely grown in Henan, Hebei, Shandong, Shanxi and Guangxi, Fujian, Guangdong and Taiwan in the south, as well as in Japan and South Korea. As one of the most important supplementary materials in traditional Chinese medicine, it has no side effects. Therefore, it has been evaluated by doctors throughout the history as "warming and tonic" and "neutral". It is a model of "medicine and food come from the same source", that is, it can be used as normal food to satisfy hunger, and there are no taboos for users.

Is Huaiyam the iron rod yam?

The two are not the same kind of yam.

Huaiyam

Yam is also known as Dioscorea, formerly known as Dioscorea. It belongs to the Dioscoreaceae family and is a perennial plant. According to "Compendium of Materia Medica", it is because of the taboo of avoiding the ancestral name "Yu" in the Tang Dynasty. Change dioscorea to yam medicine. In the Song Dynasty, the name of Song Yingzong was "Sh", so the potato medicine was changed to yam.

Yam is shaped like a radish. After peeling it with chopsticks, the flesh turns white and becomes soft and delicious when cooked. Its roots can be used as medicine after removing the outer skin. After processing, yam has a cylindrical shape, with a yellow-white surface, smooth, and hard texture. The cross-section is white and powdery. The odor is slightly sweet and sour, and it is sticky when chewed.

Yam is native to China and is cultivated in all provinces in the north and south. The yam produced in Huaiqing Prefecture is especially valuable. Huaiyam, also known as white yam and Huaishen, is the best in the country. "Shen Nong's Materia Medica" says: "Yam is produced in various places, but the ones produced in Huaiqing, Henan are the best."

Yam contains saponine, mucus, allantoin, choline, arginine, amylase, protein, vitamin C, B, 4-dihydroxyphenylethylamine, etc., and the mucus contains nectar Polysaccharides and phytic acid. Its nature and flavor are sweet and flat, enters the lung, spleen and kidney meridians, and has the functions of strengthening the spleen and stopping diarrhea, nourishing the lungs and benefiting the kidneys. Mainly used to treat spleen deficiency, chronic diarrhea, chronic enteritis, lung deficiency and cough, chronic nephritis, diabetes, spermatorrhea, frequent urination and other diseases.

Huaiyam is a good nourishing product and is known as "Huaishen". According to the "Compendium of Materia Medica", "Yam can replenish deficiency and weakness, remove cold and heat evil, tonify the middle, replenish qi and strength, grow muscles, strengthen yin, long-term use can make the ears and eyes bright, lighten the body and prolong life."

Iron Bar Yam

Tieguang yam is the "best" yam. It has been a tribute to the royal family of all dynasties and is known as the treasure of national medicine. It can be eaten in all seasons and is suitable for all ages. It is commonly used as a "tonic" and won the gold medal at the Panama International Exposition in 1994.

Jiaozuo has applied for a national protected variety of origin for “Tiegun Yam”, which means that Tiegun Yam is a specialty of Jiaozuo, and only those grown in Jiaozuo can be called “Tiegun Yam”.

The difference between Huaiyam and Tiegun yam

Judging from the shape: "Tiegun yam" is divided into two types: clay yam and sandy yam.

Among them, clay soil yams are short and not very straight in appearance. But because clay soil is hard, clay soil yams have a hard texture, good taste, and relatively high nutritional value. Sandy soil yams are generally longer and straighter in appearance than clay soil yams. However, the sandy soil is weak, so the yam from the sandy soil has a strong moisture content, and its taste is not as good as that from the clay soil yam, and its nutritional value is also slightly inferior. But these are relative. After all, it is still an "iron rod yam" and its nutritional value is still much higher than ordinary yams or foreign yams.

From the main ingredients: According to the laboratory test and analysis results of the Chinese Academy of Sciences, Tiegun Yam is rich in 16 starch, mucilage, glycoprotein, choline, vitamin C, mannose; it also contains: glutamic acid 18 kinds of amino acids such as , tyrosine and alanine and more than ten kinds of trace elements such as iron, calcium, zinc, phosphorus, manganese, cobalt and copper. The content of active ingredients is much higher than that of Huaiyam.