First is the issue of protein P34. In some studies, this protein has been found to be one of the primary allergenic proteins in ... It is a natural food based on whole soybeans and natural processing of these who soybeans by micro-organisms. (For more ... soybeans serve as the basis for miso fermentation. (This basic role of soybeans in preparation of miso can sometimes be ... including peptide building-blocks of protein that get formed from soy proteins when the beans are fermented) is one of the key ...