In which ancient book is the Chinese yam recorded?

The four major Huai medicines are local specialties of Jiaozuo, mainly referring to the ancient Huaiqing Mansion (its geographical scope is equivalent to Wen County and Qinyang in Jiaozuo District, Henan Province.

Wuzhi, Mengzhou) yam, hyssop.

Rehmannia and chrysanthemum are four major traditional Chinese medicines.

The earliest pharmacological classic in China, Shennong's Materia Medica

Put the yam (potato root) produced by "Qin Huaidi" (Huaichuan).

Rehmannia rehmannia, hyssop, and chrysanthemum are all listed as top grades. Later, the famous medical experts of the past dynasties further discovered the excellent original nature of the four major medicines from the surface to the inside, to the coarse and the essence. Therefore, this theory has been passed down to this day and has become a brand.

In the Qin and Han dynasties, the "Shennong's Materia Medica" recorded: Yam is good in Henan Huaiqing. Jiaozuo was called Huaiqing Mansion in ancient times, north of Taihang, south of the Yellow River, the natural conditions are unique, yam, rehmannia root, chrysanthemum, hyssop "four major medicines" well-known at home and abroad.

As the first of the "four great medicines", Huai Yam is evaluated by doctors as "warm supplement" and "flat sex", which is a model of "medicine and food homology". "Iron stick yam" is the treasure in the Chinese yam, because of its color brown and red, the quality is firm and powdery, the body is slender and long, the appearance resembles the iron rod and gets the name, the main production area is Wenxian.

Yam has a long history, and the original name of yam was Potato Potato, Tang Dynasty Sect.

The name Li pre was changed to potato medicine because of avoidance; Northern song dynasty.

When it was renamed yam because of avoiding Song Yingzong and Zhao Shu. Therefore, since the Northern Song Dynasty, there has been the name yam, but the earliest record of potato root is in the "Shennong Materia Medica" compiled during the Qin and Han dynasties, in the "Shennong Materia Medica", the dioscorea is listed as a top-grade medicinal material.

Compendium of Materia Medica, Ming Dynasty, by Li Shizhen.

There is no difference, Huai Yam is a yam produced in Huaiqing area, Henan, one of the four major Huai Yao, Huaiqing is the provincial area of Yam, and the quality of the yam produced is relatively good. The four major medicines are: Huai Yam, Huai Di Huang, Huai Chrysanthemum, and Huai Ox Knee.

Huai Yam is a kind of medicinal and edible homologous precious medicinal material that grows in Henan Province and has the same origin as medicine and food to strengthen the spleen, stomach and liver and kidney. There are many yam producing areas in China, but the yam in Qinyang City, Henan Province is the most excellent, Jiaozuo was called Huaiqing Mansion in ancient times, so the yam here is also called Huaiqing Fu Yam, referred to as Huai Yam.

The biggest difference between Chinese yam and ordinary yam is the medicinal properties. For fresh yams, make an incision, judging by the liquid on the cut surface, the liquid of Huai Yam is a little viscous, while the liquid of ordinary yam is very light and thin. After cooking, the half-cooked white yam tastes a little crispy and sticky, while the regular yam tastes a bit similar to cucumbers.

Huai yam is not boiled, but ordinary yam is different.

It is a yam produced in the land of Huai.

In ancient times, Jiaozuo was called Huaifu near Jiaozuo, and yam was a local specialty.

"Huaishan" is also known as yam, has the reputation of "the food of the gods", and many classical medical books have made a high evaluation of Huaishan. In the folk, Huaishan is a well-known nourishing product. According to ancient records, eating more yam has the function of "deaf ears and eyes" and "not starving and prolonging life", which is very beneficial to human health, and the folk also spread that Huaishan has a significant effect on regulating physiological ability, weak physique after illness, women's postpartum recuperation, and children's strong physique, so it is called "food medicine".

Huaishan has a variety of effects such as strengthening the spleen, invigorating the lungs, strengthening the kidneys, and benefiting the essence. It can lower blood lipids, regulate the stomach and intestines, and reduce subcutaneous fat accumulation; It can prevent the atrophy of connective tissue and prevent the occurrence of collagen diseases such as rheumatoid arthritis. Huaishan contains soluble fiber, which can help digestion and lower blood sugar, which is good news for diabetics.

As a high-nutrition food, Huaishan contains a large number of proteins, sugars, B vitamins, vitamin C, vitamin E, glucose, crude protein amino acids, bililine, allantoin, iodine, calcium, iron, phosphorus and other indispensable inorganic salts and trace elements and other nutrients.

Diosche soap, an important nutrient in Huaishan, is a pioneer substance in the synthesis of female hormones, which has the effect of nourishing yin and yang, and enhancing metabolism; The mucus and digestive enzymes of polysaccharide protein components contained in tubers can prevent cardiovascular fat deposition and help digestion and absorption of the gastrointestinal tract. Huaishan is rich in protein and fiber, which will produce a feeling of fullness after eating, so as to control the desire to eat, and Huaishan itself is a high-nutrition, low-calorie food, which can be eaten with confidence without worrying about gaining weight. It is especially suitable for office workers who have less exercise on weekdays and sit for a long time, resulting in fat accumulation in the abdomen and legs.

During the Anti-Japanese War, the Japanese sent their own experts to transport the soil from the area under the jurisdiction of Wuzhi County, Jiaozuo City, back to Japan, to analyze and study and try to deploy the soil for planting experiments with Chinese medicinal materials such as yams, but the result was a great decline in medicinal power. In the 20s of the last century, several medicinal farmers in Wen County, Jiaozuo City, introduced some high-yield yam varieties from Taikoo, Shanxi, and as a result, after a few years of introduction, the taste and medicinal power of the introduced products gradually converged with local varieties. In the 70s of the last century, in order to alleviate the tension of Huai Yam, 18 provinces and autonomous regions were organized to introduce seeds to Wuzhi County, Jiaozuo City.

The above facts fully prove that the reason why Huai Yam is so powerful is that the local weather time and soil conditions are the decisive factors.

Huai Yam Yam, also known as Potato Herb, is native to northern China, the main production area of Henan, and is currently widely cultivated in Henan, Hebei, Shandong, Shanxi and Guangxi, Fujian, Guangdong, Taiwan in the south, as well as in Japan and South Korea. As one of the most important tonic materials of traditional Chinese medicine, there is no one, so it has been evaluated by doctors as "warm supplement" and "sexual level", and it is a model of "medicine and food homology", that is, it can be used as normal food to satisfy hunger, and there is no taboo for users, suitable for any group of people and any physique, including the elderly, children, pregnant women and other special groups.