Abstract: Sweet potato noodles are made of sweet potato food, sweet potato powder is tender and refreshing, the taste is strong, I believe many people like to eat. But the sweet potato noodles on the market are difficult to distinguish between true and false, there are many "black heart" merchants in the noodles mixed with some impurities and additives, etc., do you know how to distinguish between true and false sweet potato flour? The method is actually very simple, just use a lighter to burn, fake sweet potato flour immediately "in its original form", and will never be deceived again!
Today, I will teach you three tips to distinguish the true and false sweet potato flour, and let's learn it with me!
A trick to distinguish between the true and false sweet potato powder: look at the color
Authentic sweet potato flour is generally grayish in color, or translucent cyan, and it is absolutely impossible to be transparent. If you see a very transparent noodle, or a white noodle, it is likely to be a vermicelli with additives or pigments. And the real sweet potato flour will have some small black bumps inside, because the sweet potato powder is difficult to completely stir evenly during the production process, nor can it be completely heated evenly.
The second trick to distinguish between true and false sweet potato flour: look at toughness
The real sweet potato flour toughness is very poor, just need to use the hand to gently break it can be easily broken, but the cooked sweet potato noodles toughness is very good. So when we buy vermicelli, you can fold it by hand to see its toughness, if it is doped with other substances, the vermicelli is very tough and not easy to break.
A trick to distinguish between the true and false sweet potato flour: burn the lighter
We can use a lighter to burn a noodle, authentic sweet potato flour will become white or light yellow bulking after burning, just like "popcorn", fluffy, there will be a burnt aroma; and the fake noodles will have a "crackling" sound during the burning process, there will be a bad smell, the ash after burning is black granular, this kind of noodles must not be eaten.
Conclusion: After reading these three tips to distinguish the true and false of sweet potato flour, have you learned? Give it a try!
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