Is the noodle on the ignition "glue" added?

Noodles are a traditional food loved by Chinese people, mixing, stir-frying, steaming, stewing, boiling.
.
.
Every way to eat it is delicious
.
However, some people on the Internet use the video of the noodles that can be burned to show that these noodles are added with "glue", and they may be poisoned
if they are often eaten.
So, is that really the case?

Professor Liu Shaowei, a member of the expert group of the Shanghai Food Safety Research Association, said in an interview with China Consumer News that it is normal for vermicelli to be ignited, which has nothing to do
with additives, plastics, glues, etc.
The evidence that so-called gums have been added to the burnable vermicelli is not credible
.

Liu Shaowei explained that vermicelli is generally made of sweet potatoes, peas, mung beans and other starch material raw materials, from the biochemical analysis, itself is composed of carbon (C), hydrogen (H) and other elements of organic matter, and the water content after processing and forming is very low, so it is easy to ignite
.
However, because the surface area of fan burning is relatively limited, it is generally difficult to burn fully, so it is often left with "carbon black" that is crushed by hand, which is actually a very normal thing, and the so-called "carbon black after burning is an insufficiently burned glue substance" on the Internet is also not credible
.

Sometimes, though, burning can be a way to
tell if the quality of the noodles is good or bad.

For example, on the one hand, because the cost of using sweet potato starch to make noodles is relatively high, some illegal manufacturers have come up with ways
to dope cheap cassava flour to reduce production costs.
In this case, burning with fire can make the "Li Ghost" noodles appear
.
Pure sweet potato starch noodles will emit black smoke after igniting, but will not produce a pungent taste, and gently pinch the burned noodles with your hands to turn into fine powder; The noodles made of cassava flour burn, relatively speaking, are more insufficient, pinch the burning powder by hand, you will feel the hardness of the powder, some fine particles can not even be pinched
.

On the other hand, although the noodles are ignited, it is not necessarily the addition of "glue", but the illegal addition of individual illegal manufacturers is indeed a risk point
that should be considered and avoided when eating noodles.
Generally speaking, pure sweet potato vermicelli is yellow and dark in color, after soaking in hot water to soften, the water in the bowl is still clear, the vermicelli does not fade, and you can smell a faint sweet potato smell; The cassava noodles are white and transparent in color, smooth to the touch, after soaking in hot water, the water becomes cloudy, the noodles are crystal transparent, and they smell without any smell
.

At the same time, sweet potato vermicelli in the dry state has low toughness, is very crisp, and will break as soon as it is broken, so there will be a lot of crumbs on the shelf where sweet potato noodles are placed, and it is easy to become soft when boiled in a pot; If the noodles are very tough, you need to use scissors to cut them, indicating that it is likely that gelatin, cassava flour and other ingredients
were added during the production process.

According to the requirements of relevant laws and standards in China, the illegal addition of noodles is strictly prohibited and will face serious punishment
.
It is recommended that consumers buy noodles from regular supermarkets to give food an extra layer of protection
.

Although the noodles are delicious and tempting after cooking, the nutrients are relatively single, and it is not recommended to eat
them regularly from the perspective of a balanced diet and safety risks.