Compared with ordinary yams, what is better about iron stick yams?

Iron stick yam is also one of the many yam species, because it has rust-like spots on its body, and it is slender and straight, and looks like an iron rod, so it is called iron stick yam. It is a good product with the same origin of medicine and food. Compared with the yam we usually eat, the biggest difference is that the medicinal value of the iron stick yam is extremely high, and because it is produced in Wenxian County, Henan Province, at the southern foot of Taihang Mountain and on the north bank of the Yellow River, the soil here is fertile and the mineral content is very high.

In ancient times, it was called Huaiqing Mansion. It is known as the "Four Great Medicines" together with Rehmannia Rehmannia, Ox Knee and Chrysanthemum. And the iron rod is the first of the "four major medicines".

Iron stick yam is rich in protein, vitamins and various amino acids and minerals, which can not only replenish the qi of the spleen, lungs and kidneys, but also nourish the yin of the spleen, lungs and kidneys. The common yam, also known as vegetable yam, is not as high in nutritional value and medicinal value as iron stick yam.

The tuber of the iron stick yam contains trace elements such as potassium, phosphorus, calcium, magnesium, ash, iron, zinc, manganese, etc., and 16 kinds of amino acids are contained in the 20 kinds of amino acids required by human beings.

Iron stick yam is best eaten in autumn and winter, and now it is autumn, let's take a look at the effect of iron stick yam!

1. Strengthen the spleen and stomach, and facilitate digestion.

It is rich in plant protein, amylase and polyphenol oxidase and other components, which are conducive to digestion and absorption of the spleen and stomach, so it has the effect of strengthening the spleen and stomach.

2. Good for the lungs and cough.

Iron root yam contains soap-like mucus, which can play a role in nourishing lung qi and lung yin, and can be used for symptoms such as phlegm cough and long cough caused by lung deficiency.

3. Improve the body's immunity.

Iron stick yam is rich in plant fibrin, and there are many kinds of amino acids, some amino acids are necessary for the human body and can play a great role in the metabolism of the human body, but some of them are indeed not synthesized by the human body. After eating iron stick yam, the human body will quickly absorb these nutrients and components, which also has a certain effect on the synthesis of various proteins in the body, and can also increase the number of immune proteins in the body and enhance immunity.

4. Lowering blood sugar.

It has mucus proteins that can be hydrolyzed in the body, and the products of hydrolysis are proteins and sugars, which have the effect of lowering blood sugar.

Iron stick yam has the following effects and effects:

Clause. First, it has the effect of improving immunity. Iron stick yam contains essential amino acids, which can promote the synthesis of proteins in the body, and can also promote the synthesis of immunoglobulins in the body, so it has the effect of improving immunity.

Clause. Second, it has the effect of nourishing the skin. Iron stick yam contains a large amount of vitamin C and mucus protein, so it can not only remove some free radicals in the first place, prevent pigmentation, but also increase the lubrication of the first place, play a role in improving the elasticity of the first one, making the first shiny and more delicate.

Therefore, it plays a role in beautifying the skin.

Yam is rich in protein, vitamins and a variety of minerals, etc., which can nourish the spleen, lungs and kidneys, and has a particularly high nutritional value. There is not much difference in nutrition.

Ordinary yam and iron stick yam are all varieties of yam, both contain the same nutrients, such as protein, vitamins, amino acids, saponins, mucilage, choline, yammine, starch, polyphenol oxidase, iodine, iron, copper, zinc, manganese, calcium, etc., the edible value is much the same, such as improving resistance, beauty and beauty, nourishing the kidney, prolonging life, etc. The difference is that the content of water, protein and starch in iron stick yam is relatively lower than that of ordinary yams, but the potassium content is higher than that of ordinary yams. If you buy iron stick yam in stewed soup, choose to buy more hairy whiskers, and the yam with more hairy whiskers has a better taste.

If it's stir-fried, buy regular yams.

Difference Between Yam and Iron Bar Yam:1. The shape is different.

The body of the iron stick yam is slender, the head is round and the tail is pointed, and the thickness is about 2-3 cm, while the ordinary yam is irregular in shape, but the overall shape is relatively thick, and the thickness is about 4-5 cm.

2. The epidermis is different.

The epidermis of the iron stick yam is very thin, and there are dense and dense hairy whiskers and purple or red patches, which looks very ugly, while the skin of the common yam is smooth and spotless, and the hair whiskers and pore pimples are scattered distribution.

3. The texture is different.

The meat of the iron stick yam is hard and not easy to break, the texture is very delicate and the mucus is less, so the taste of cooking is relatively powdery and sweet, while the ordinary yam is rich in water and fiber, brittle, and very easy to break, so it is crispy no matter how it is steamed.

Of course, it's better to be an iron stick yam. Iron stick yam is the yam with the highest medicinal value among many yams, and the taste of iron stick yam is much better than that of ordinary yams. When we choose iron stick yams, we try to choose iron stick yams with dense roots, the color is like rusty iron rods, and the weight is relatively heavy, and such iron stick yams are the best varieties of iron stick yams.

Which is better, iron stick yam or ordinary yam.

Among the many yam species, the medicinal value is the highest, and the most suitable tonic in autumn is the iron stick yam. Compared with ordinary yams, iron stick yams are thinner and shorter, with longer burrs on the rhizomes, rounded heads and tails, and delicate sections.

Moreover, the iron stick yam is more delicious than ordinary yamsIron stick yam is the yam with the highest medicinal value among many yams, and the taste of iron stick yam is much better than that of ordinary yams.

In terms of length, the iron stick yam is generally no longer than two fingers, the texture is firm and tough, and it is not easy to break when knocked on each other, so it is named "iron stick yam". Because it is short and thin, it is usually sold whole

Common yam (pictured).

How to choose an authentic and delicious iron stick yam.

We try to pick as much as possible when choosing iron stick yamsChoose a heavy yam with thick roots, a color that looks like a rusty iron rod, and a heavy weight. Such an iron stick yam is the best iron stick yam of the variety Wu Cheng.

Look at the roots

What you need to see is whether the roots of the iron stick yam are thick. For us, when buying yams, we will always pick some smoother yams. And if the yam has a lot of roots, many people will find it look particularly scary.

But the iron stick yam looks like this, because the roots of the iron stick yam are relatively thick. In this way, he will be able to find more nutrients, and his vitality will be more vigorous, and his nutritional value will be more. This is for the next year, what iron stick yam will be slightly more expensive than the average yam**

Look at the color

It is to look at the color of the iron stick yam, and you can carefully observe its color when you buy it to see if it looks like a rusty iron rod.

In fact, the iron stick yam got its name,It is because it resembles an iron rod, and the more similar the color, the closer it is to a rusty iron rod, then this iron stick yam will be more authentic.

When we usually buy yams, many people are willing to buy the lighter color because it looks fresher. Actually, this is not the case, and the color does not tell whether the yam is fresh or not.

Iron stick yam (pictured).

Look at the weight

It's two iron sticks of almost the same size, to compare its weight, just like we usually buy grapefruit or melon.

The same size of the caseThe heavier is the better. Because the heavier one means that it contains a lot of water, and the lighter one proves that it is not fresh. IfIf the water evaporates, the taste will be very poor

The difference between the small white-billed yam and the iron stick yam:First, the epidermis is different

1. The epidermal color of the iron stick yam is earthy brown, densely covered with fine hairs, the fine hairs are long, there are purple-red dull spots, and the spots are prominent.

2. The skin color of the small white-billed yam is light yellow, relatively white and bright, with fewer fine hairs, and some also have purple spots.

Second, the meat quality is different:

1. The meat of the iron stick yam is delicate, white and yellow, firm and powdery, less mucus, and the section is more delicate after cooking.

2. The small white-billed yam has more cellulose, and the section is granular.

Third, the taste is different:

1. The iron stick yam has a dry, noodle taste and a faint sweetness.

2. The taste of the small white-billed yam is soft and glutinous and sweet, and the edible taste is even better.

Fourth, the difficulty of peeling is different:

1. The skin of the iron stick yam is thick and difficult to peel off.

2. The skin of the small white-billed yam is easy to peel off.

The so-called iron stick yam originated in Bozhou, Anhui Province, the production is limited, and the market is full of iron stick yams, many of which are not true. The appearance of the real iron yam is like a threaded steel bar, the skin has many burrs, the color is dark brown, and the yam is not as thick as the ordinary yam, and the appearance is like the roots of a tree.

Difference Between Iron Stick Yam and Common Yam:

First, the difference between epidermis.

There is a clear difference between the two varieties, which can be distinguished from the epidermis in the first place. The surface of the iron stick yam is rough, with obvious pore pimples, dense hair, and purple spots on the surface. The epidermis of ordinary yam is smooth as a whole, the pore pimples are not obvious, and the hair whiskers are relatively sparse and scattered.

Second, the shape is different.

In addition to the shape, it can also be distinguished by the shape. The iron stick yam is thinner, about only centimeters thick, different in length, round head and pointed tail. The common yam is relatively stout, about 4-5 cm thick, and the shape is also irregular.

3. Texture differences.

The texture of the iron stick yam is comparatively firmer, delicate, and the fibers are fine. It is very strong and does not break easily. And ordinary yams have a lot of water and are very watery. Usually you can pinch out the water by kneading, and the pure reed base is easy to break, so you have to be very careful when taking it.

Fourth, the difference in taste.

The difference between the two in taste is also significant, and it is easy to taste the difference. Iron stick yam is steamed or boiled in a pot, and it only takes about a few minutes to cook, and the taste is dry noodles, sweet, and boiled for a long time. Ordinary yams, on the other hand, are crispy even if they are cooked for a longer period of time, so they are often made into a refreshing dish.