How to tell the true and false of sweet potato fans

To distinguish the true and false sweet potato vermicelli, we can distinguish it from the aspects of color, toughness, smell, maturity and so on. The details are as follows:

1, look at the color

In fact, the real French fries are darker in color, because the varieties of sweet potatoes are different, so the colors are different. Generally, many colors are grayish white and brown. But not very white. If it is that white, it is probably mixed with starch. Don't buy that.

2, see if there is toughness.

Real sweet potato vermicelli is not tough, it will be easily broken from an aesthetic point of view, and it will be brittle, even in wet weather, vermicelli will be broken. However, if it is not easy to break, it is probably adulterated with gelatin, so the sweet potato vermicelli is not easy to break, and such sweet potato vermicelli is fake.

Step 3 smell it

Normal real sweet potato vermicelli has no peculiar smell, only a faint sweet potato flavor. I don't know if you have found it carefully. If it tastes moldy, you'd better not buy this sweet potato noodle, because it's been there for a long time. If you observe that sweet potato vermicelli has an odor, it is probably not a real sweet potato vermicelli. So you can smell more when you buy sweet potato vermicelli.

4. Look at the situation after cooking.

Pure sweet potato vermicelli will become soft and chewy after cooking, and its water absorption capacity will become very strong, and its thickness can be doubled, while the expansion index of fake sweet potato vermicelli is not so big, and it will become smaller, and most of the vermicelli will not be chewed.

Step 5 burn with fire

Another method is to ignite sweet potato powder with a lighter, which burns quickly and expands a little after burning, and will not become hard balls or completely become powder, which means it is really sweet potato vermicelli; If the burning speed is slow, there is an odor after burning, which will turn into powder, then it is false.