1, folded by hand. Good vermicelli is uniform in thickness (wide vermicelli is uniform in thickness), without drawing and breaking, and it feels flexible, elastic and free of impurities. There are irregular bubbles in pure potato vermicelli. The vermicelli made of pure sweet potato starch is very brittle after drying, and it will be broken with a little hand, and it is not easy to regain moisture after drying. The fake sweet potato vermicelli will not break after being exposed to the sun for a week, because there is an edible gum with unique toughness.
2. smell it. Soak the vermicelli in hot water for a while, then smell it. The smell and taste of pure sweet potato vermicelli are normal, without any peculiar smell, and the water does not change color. Fake sweet potato vermicelli or poor quality vermicelli often have abnormal tastes such as musty and sour taste, and the soaked water will change color.
Extended data:
Although rice noodles are shaped like rice noodles, they are not rice noodles. For the definition of rice noodles, it should be said that rice is used as raw material, and raw materials such as sweet potato powder and potato powder are added to rice noodles (accounting for a large proportion), which makes the taste and preservation method very different from rice noodles. In terms of taste, rice noodles are mostly "moist bones and muscles", while rice noodles are mostly "soft bones and muscles". The entrance of rice noodles is smooth and sticky. In particular, the difference between "sour rice noodles" and "sour rice noodles" is even greater.
The entrance of sour powder is "sour cotton easy", and the entrance of sour rice noodles is "sour crisp somersault". "Dry rice noodles" are similar to "rice noodles", but the difference lies in whether rice is used as raw material. Rice noodles are easy to store, similar to "dried rice noodles". After drying, they can not only be stored for a long time, but also are not easy to deteriorate.
People's Network-Always eat inferior vermicelli, be careful to be stupid. There are five tricks to identify the quality of vermicelli.