Yam, also known as being for Huai Shan. Currently on the market there are two common varieties, one is the common yam, the other is the iron stick yam. Both are yams, but both the taste, or nutritional value, at the same time or practice, there is a big difference. In order to facilitate the selection of yam varieties, the following teach you 4 ways to learn how to identify yam.

I, the shape and appearance of different

1. Iron stick yam is the best of the yam, because the nutritional value as well as efficacy than the common yam, so it is also a common herb in our traditional Chinese medicine. Compared with the common yam, Iron stick yam has a slender body shape, usually 2~3 centimeters thick, with a round head and a pointed tail.

The skin of the yam is rough and distinctive. In addition to the dense whiskers, there are also common red rusty patches. The skin is very thin, uneven in thickness and very ugly to look at. Single important not more than 4 two, so, in the purchase must not "look for things", otherwise, can buy a fake iron stick yam.

2. common yam, common yam is also known as vegetable yam, crispy yam, smooth skin without "rust spot", scattered distribution of a few pimples and whiskers, the shape is uniform and regular, thickness up to 4 cm size.

Second, the cross-section color is different

If you think the first point is more complicated, then the most direct way to judge is the second. The yam will be cut, placed 10 minutes, and then according to the color of the section to judge. Real iron stick yam does not oxidize and turn yellow easily no matter how long it is left after cutting, while vegetable yam is different. After cutting, if not immersed in water, it is very easy to gas oxidation yellow phenomenon.

Three, different texture

Iron stick yam meat is hard and not easy to break, the texture is delicate mucus less. And ordinary yam is the opposite, because of the brittleness of the full, very easy to break. At the same time, the common yam moisture as well as mucus are more than iron stick yam enough.

Four, the taste is different

The third point is introduced to the texture of the yam, because the texture is different, so the two cooking after the taste is naturally very different. Iron yam is easy to cook, but at the same time it is also easy to be cooked, eaten in the powder sticky slightly with a bit of numbness. Ordinary yam is crunchy and not easy to rot, so it is especially suitable for cooking. For example, the common home cooking sauce Huaishan, yam stewed pork ribs, are used it.

How to avoid itchy hands when peeling yam

When peeling the outer skin of yam, many of our friends often get red, itchy hands. Here to recommend two small tricks, the first is to wear gloves peeling, this method is simple and practical; if you feel that there is always a little awkward to wear gloves, then you may want to try this method, will be the hands of the fire grilled to the warmth or white vinegar soaked for 5 minutes, which can also effectively prevent the yam epidermis caused by the itchy hands of the saponins.