Flavor Components of Shoyu and Miso Japanese Fermented Soybean Seasonings

The name soybean come form “bean of soy” which is derived from Portuguese Soya. In the 16th century, Portuguese imported Japanese soy sauce 
shoyu” and distributed it in the European countries. The name Soya is an alteration of the Japanese word “shoyu.” In this respect, shoyu has been an international food item since that time.