Is it possible to make nattokinase from natto based on anything other than soybeans?
Yes, black beans can be used instead of soybeans, and natto can also be made from azuki beans and kidney beans. Even sunflower seeds can be used efficiently. However, Bacillus natto thrives best on soybeans. It appears that soybeans’ protein helps to produce nattokinase more efficiently. Although natto originated in Asia, it seems that natto is naturally produced by Bacillus natto inhabiting straw, but only if soybeans are present. In the United States, it took about 150 years to become to plant soybeans. I think that Bacillus natto has only recently become established in the United States. What are the functions of nattokinase and Vitamin K2, which are contained in natto? It is said that natto became a popular food in the Edo period, and that the voice of natto sellers was constantly heard in the city of Edo. Regarding the effects of natto, there are many anecdotes concerning its efficacy for stomachache and flu, and for helping women give birth. This is because natto has a high nutri
