Yamasa Organic soy sauce is made by slowly fermenting and maturing organic round soybeans, wheat, and naturally dried seawater with sun-dried salt. This specially selected soy sauce conforms to the Japanese Agricultural Standards for processed organic agricultural products ...Yamasa Organic soy sauce is made by slowly fermenting and maturing organic round soybeans, wheat, and naturally dried seawater with sun-dried salt. This specially selected soy sauce conforms to the Japanese Agricultural Standards for processed organic agricultural products (Organic JAS Law) and has been certified as a processed organic agricultural product by the Organic Registration and Certification Organization.