... process with starch (corn, cassava, wheat, etc.), carbohydrate (sucrose, molasses, etc.) and fiber (sweet sorghum, straw, etc.) as raw materials ... . It also applies to the fermentation of some soy sauces, vinegars, amino acids and antibiotics. Angel Fermentation ... . Besides, it also applies to the fermentation of some soy sauces, vinegars, amino acids and antibiotics. Method of Usage ...