"Unfermented" means that something has not undergone the natural process of fermentation, which is a chemical reaction that breaks down sugars into alcohol or acids. Full definition
The health problems mentioned above are only a handful of the side effects caused by the consumption of unfermented soy products. (articles.mercola.com)
Small amounts of unfermented soy as an occasional side dish is benneficial. (westonaprice.org)
«to communicate only under the species of bread,» or if celebrating alone «to celebrate mass with unfermented grape juice.» (religion-online.org)