Do you know how many types of fermented foods are in the world? It’s about 7,000. For instance, bread and wine are fermented food created by yeast. Vinegar is often used in the dressing, pickles, kimchi, cheese. Nata de coco is a film outcome of combining acetic acid bacteria with coconut juice. Which means we eat a film from bacteria. Miso, sake, soy sauce, and natto are unique fermented food with wisdom and technique. The miso-making process as an example, koji, the fungus