What are the types of yam? There are several varieties of yams

The common types of yam are iron stick yam, long yam, Huai yam, wild yam, Huai yam, cotton yam, Japanese Yamato long taro yam, high mountain wild yam, etc., among which the iron stick yam is the best of the yams, the skin of the long yam is yellow-brown, and the rhizome of the Huai yam is usually purple-red.

1. Iron stick yam.

Types of yams.

There are traces like rust on the skin of the iron stick yam, it is the fine product of the yam, and the iron stick yam can be divided into two categories according to the different cultivation soil quality, namely the iron stick yam and the sandy iron stick yam, in which the iron stick yam grows in the clay soil, and the sandy iron stick yam grows in the loose and breathable sandy loam soil.

2. Long yam.

The long yam is a winding vine of the dioscaceae family, its tuber is relatively stopped, the diameter can reach 7 cm, and the outer skin of the long yam is yellow-brown, the stem vine is 4 meters, and the long yam is mainly distributed at an altitude of 150-1500 meters, suitable for growing in warm and dry temperate areas.

3. Huai Yam.

The fruit period of Huai Yam is from July to November every year, mainly distributed in Hebei, Taiwan, Hubei, Guangdong, Guizhou and other regions, and Huai Yam is rich in nutrients, it is a relatively good food crop, when breeding Huai Yam, it is necessary to discharge the water in the soil for the plant during the rainy season.

4. Wild yam.

Wild yam is a perennial vine, its flowering period is in June to August every year, and the rhizome section of wild yam is yellow, the flowers are unisexual heterogeneous, and wild yam is not strict with soil requirements, has strong adaptability, when breeding wild yams, it is necessary to apply enough base fertilizer in the soil.

Yam types: common yam, white yam.

1. Ordinary yam is characterized by thicker, no "rust spots" on the epidermis, and it can be seen that there is more moisture and is easy to break when pinched by hand. There are fewer hairs, the epidermis is relatively smooth and thin, and the brush falls off as soon as it is brushed, making it slippery and greasy to the touch.

2. Huai yam can be subdivided into iron stick yam, white-skinned yam, small fluffy yam and other varieties.

1) The thickness of the iron stick yam is uniform, usually 1-2 cm in diameter, the hair is slightly more, the epidermis is slightly darker, and the unique dark red "rust spots" can be seen, the texture is very delicate, it is the best yam in the fine, it is easier to play the role of enzymes when eaten raw, and it can also be eaten steamed; Powdery foot, white or slightly tooth-yellow in cross-section after breaking, boiled in water for a long time.

2) Iron rods and sandy soil. The crooked ones are the iron stick yams, and the straight ones are the sand iron stick yams. The yam is grown on the soil because of the hard geology, large stickiness, and hard soil, so it grows twisted and twisted.

3) The skin of the yam is thin, and it will not affect the taste without peeling. It is usually 60-80 cm long, the longest is more than 100 cm, the diameter is about 2 cm, and the epidermis is earthy brown, densely covered with fine hairs, and has purple-red matte spots.

There are 7 varieties of yams. They are common yam, fine hair yam, iron stick yam, Yamato yam, Ganoderma lucidum yam, Huai yam and hemp yam. Among them, the ordinary yam is relatively coarse, there are no rust spots on the surface, there is a lot of moisture, and it is easy to rot after boiling for a long time.

Iron stick yam thickness Junyu you, a lot of hair, rust spots on the skin, and it is more resistant to cooking. Huai Yam is a specialty of Jiaozuo, Henan, with very good quality and a relatively famous brand.

Morphological characteristics

Iron stick yams are usually 2 cm in diameter, with a slightly darker epidermis and iron-red marks on the rhizomes. The weight of a single iron stick yam generally does not exceed 250 grams, that is, five taels, but the weight of the sandy iron stick yam is more than 80 centimeters, and the weight can be about 500 grams, depending on the planting technology and management.

The flesh will break the iron stick yam, you can feel that the flesh is hard, powdery enough to have a delicate section, white or slightly tooth yellow, and less mucus. Taste: Due to the low water content in the iron stick yam and the rich content of yam polysaccharides, the juice is thicker, the taste is drier and greasy after cooking, and the sweet and fragrant entrance feels like the face is sweet, and the skin is eaten with a faint numb taste.

Yam is not only a good vegetable for eating, but also a commonly used medicinal material. Artificially planted yam, the flesh is white, the taste is sweet and powdery, the size is large and firm, and it is mostly edible.

Yam is the tuber root of the dioscaceae plant, which has the effect of nourishing the spleen and stomach, invigorating the lungs and kidneys. It can be used for spleen deficiency and diarrhea, chronic enteritis, lung deficiency, cough and asthma, chronic gastritis, diabetes, spermatozoa, enuresis, and other diseases.

Yams are divided into:1Iron stick yam; Features: thinner, the lines are also thinner.

2.vegetable yam; Features: extra thick, coarse, relatively light, small weight 3Local yams.

Clause. 1. Water yam.

This yam is mainly in Beijing and Shandong and other places, it is relatively large in the yam, the diameter can reach about five centimeters, and its body is relatively straight, giving people the feeling of a stick, the moisture content of this yam is very high, only need to touch it lightly will break.

Clause. Second, iron stick yam.

The origin of this yam is in Huaishan, Henan, so it is also known as Huai Yam, it has relatively high quality because of the unique climate and geographical location of Henan itself, and is also known as the high-quality variety of yam, so it is one of the most popular yams in the market.

Clause. 3. Small white-billed yam.

Its origin is in Hebei, it has a certain similarity with the iron stick yam, if you don't carefully identify it, it is easy to confuse, it is also a good quality yam, although the taste is different from the iron stick yam, but it is also very good, the key is that ** is much cheaper than the iron stick yam.

Clause. Fourth, beef leg yam.

It is produced in Shandong, this yam has a very thick appearance, and its own taste is very flat, which is more suitable for Australia, stewed soup or steamed.

Clause. 5. Yam beans.

In addition to the rhizome of yam can be eaten, yam beans can also be eaten, its taste is similar to yam, giving people a feeling of sweet and noodles, there will be a little hemp taste, it is very popular to make sugar gourd, and its effect is similar to yam.

There are many yams, Huai yams, iron stick yams, long yams, wild yams, Huai yams, cotton yams.

The first is fruits containing vitamin A, such as peaches, apricots and melons, which can reduce the risk of night blindness or dry eye disease. second, fruits rich in vitamin B, such as bananas, grapes, pears, kiwifruit; third, fruits rich in vitamin C, such as pomegranates, kiwifruit, strawberries, tomatoes; fourth, lutein-rich vegetables, such as corn and carrots; The fifth, dragon fruit, contains anthocyanins and vitamin E in dragon fruit, which can be antioxidant.

There are 7 common varieties of yam, including common yam, fine hair yam, iron stick yam, Yamato yam, Ganoderma lucidum yam, Huai yam and hemp yam. Among them, ordinary yam is thicker, no rust spots on the surface, more moisture, and easy to rot after a long cooking time. Iron stick yam has a lot of hair, rust spots on the skin, and it is relatively resistant to cooking.

Huai Yam is a special product of Jiaozuo, Henan, with very good quality and a relatively famous variety.

There are many types of yams, and there are 7 common kinds of limb hu. They are common yam, fine hair yam, iron stick yam, yamato yam, reishi yam, huai yam, and hemp yam. Among them, iron stick yam is a commonly used edible variety, while some varieties such as Huai yam have high medicinal value.

Which kinds of yam are better.

1.Common yam: This famous vegetable yam has thick, rust-free markings on its surface, which has more moisture and is easy to break.

Its ** is relatively thin, and the side block can generally be brushed off with a brush, and it feels greasy. Cut with a knife, easy to oxidize and starve, the general cooking time should not be too long, otherwise it is easy to deteriorate.

2.Iron stick yam: The yam is rich in species, compared with ordinary yams, the thickness is more uniform, the diameter is generally between 1-2 cm, there are many hairs, the skin color is dark, the rust spots are deep, the powder itself is very sufficient, greasy and greasy, white or yellow after cutting, usually used for cooking, will not cook for a long time.

3.Huai Yam: Huai Yam's real name is Huai Yam, it is a special product of Jiaozuo City, Henan Province, China, because this place was called Huaiqing Mansion in ancient times, so the variety produced is called Huai Yam.

The local soil is mostly double soil or sandy loam, with deep layers and rich nutrients, and sunlight and precipitation are also very suitable for plant growth.