Soybean paste does not contain aflatoxin.

The main ingredients of soybean paste are water, non-genetically modified soybeans, sugar, table salt, wheat flour, monosodium glutamate, brewing vinegar, disodium 5'-presenting nucleotide, xanthan gum, sodium benzoate and sucralose.

Soybean paste is the traditional sauce in China, which is made by fermenting soybeans after frying and grinding them. Soybean paste has rich sauce and ester aroma, salty and sweet taste, used for jiao, stewing, steaming, stir-frying, mixing and other cooking methods, but also can be accompanied by meals, net food and so on.

Expanded Information

Soybean paste is technically made from fermented soybeans and does not contain flour. This soybean paste is more common in the Northeast, where it is known as "Northeast Sauce", and is suitable for dipping raw vegetables, as a stir-fry ingredient, or as an ingredient in miso soup.

Other than that, the flour-based sauce, also known as soybean paste, is made by washing and steaming 65 percent of the soybeans to a paste, then mixing it with 35 percent of the flour and fermenting it. This soybean sauce can be used to cook a variety of dishes, and can also be used to make fried noodles.

Baidu Encyclopedia - Soybean Sauce

People's Daily Online - Sweet Noodle Paste Soybean Paste Bean Paste