Soy sauce is a liquid condiment that is made from fermented soybeans with mold, wheat flour, brine water, bacteria, and yeast. Soy sauce fermentation includes two stages of fermentation which begins with koji fermentation and ends with moromi fermentation. Koji fermentation is a solid- state fermentation through the use of mold and it may last for 48 to 72 hours. Meanwhile, moromi fermentation …