Bean juice is a unique food in Beijing, because of the strong sour smell, it is difficult for the general public to get used to, Mr. Wang Zengqi also said: "This stuff is green beans fermented, there is a sour smell. Those who don't like to drink it say that it is like swill, sour and smelly. Those who love it say: nothing else can have this flavor - sour! It's just like stinky tofu; some people love it, some don't."

Bean juice is a unique traditional snack in old Beijing, with a history of 300 years according to written records. Bean juice is made from mung beans and produced by fermenting the leftover residue after the starch is strained out to make vermicelli and other foods, and has the effect of nourishing the stomach, detoxifying the body and clearing away fire.

Expanded Information

Unlike general fermented foods, the raw material of soybean juice is mung beans, which have high protein content but are not suitable for absorption by the human body, and after fermentation, the absorption rate of the human body will be greatly increased, and regular consumption of soybean juice can be supplemented with amino acids, which is also an additional benefit. With these factors, although the flavor of the bean juice more exciting, still got the old Beijing's favorite, and even people gradually adapted to its unique taste.

Soybean juice in water accounted for 95.9%, protein 2.2%, 1.9% of the total sugar, containing 18 kinds of amino acids, a total of 1,351.9mg, in addition to potassium, sodium, calcium, magnesium, iron, copper, zinc, manganese, and other trace elements, and the acidity of which the main is lactic acid, the fruit of the nutritional extraordinary.

Because of lactose intolerance, the traditional diet of the country is generally lack of dairy products, but lactic acid and the human body is particularly in need of a kind of nutrients, which can improve muscle vitality, anti-fatigue, but also can be sterilized, help digestion, and lactic acid can be obtained through fermentation, for the poor, no less than a cheap tonic.

People's Daily Online - Why did old Beijingers love bean juice? It's cheap and can replenish amino acids