Snail flour is a flavorful snack of Liuzhou, Guangxi, China, Guangxi Intangible Cultural Heritage. It is made of Liuzhou's unique rice flour, plus sour bamboo shoots, fungus, peanuts, fried bean curd, cauliflower, fresh greens and other ingredients and moderate sour and spicy flavor and boiled snail soup blend, with sour, spicy, fresh, crisp, hot flavor and sour bamboo shoots of the special flavor. In fact, the "unique smell" of snail noodles comes from the ingredients of bamboo shoots and soup base.
The sour bamboo shoots in snail noodles are made through fermentation, just like stinky tofu, bean juice, pickled puffins, etc., all of which are fermented to produce the iconic flavor. Bamboo shoots, soaked in salt water for a period of time after the emergence of sour flavor, bamboo shoots in the sugars and proteins are fermented into a variety of amino acids and organic acids, aldehydes, alcohols and other substances. Some of the metabolites of amino acids give off a gas that smells like rotten eggs, which is the "infamous" hydrogen sulfide, an odorous substance present in farts. This is a big reason why snail powder smells bad.
Another reason for the smell of snail meal is the soup base of snail meal, which is made of snails and pork bones. The snail itself has a special flavor, buy back with water to raise a day, brush clean is still quite stinky, fried after the spice smell masks part of the smell. So the whole snail powder seasoning bias heavy mouth, unique spicy and "stink", its taste makes many people "retreat three shuns", but know how to appreciate it people know, it is fragrant and does not rot, smell appetizing, think of salivation, eat the roll.