Our guest is Tetsuji Ishigaki who is a scientist and the president & CEO of SOI inc. based in Shizuoka, Japan. The company produces sustainable foods and ingredients using Japanese koji mold. 

Tetsuji has a strong mission to help to create a fully sustainable society by providing healthy products. It sounds like a cliché but what he does is real. His family started a koji manufacturing business in 1739 and with the deepest understanding of the Japanese national mold, Tetsuji has been inventing unique items, such as delicious snack bars made with coffee grounds. 

In this episode, we will discuss Tetsuji’s fascinating family history, what koji is and why it is so unique and powerful to produce sustainable products, fascinating examples of his delicious and sustainable foods like zero-waste coffee syrup, what koji can do beyond making fermented foods, and much, much more!!!

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