Brewed soy sauce and method of producing the brewed soy sauce

Patent Number: 9386789

Patent Date: 2016-07-12

Patent type: utility

The present invention provides a brewed soy sauce that has light color and reduced smell with a robust taste. In the brewed soy sauce, HEMF is less than 15 ppm. Glutamic acid is 0.9% (w/v) or more. Lactic acid and acetic acid are respectively 0.1% (w/v) or more. Reducing sugar is 1.5% (w/v) or less. Levulinic acid is less than 0.01% (w/v). And, pH is 4.5-5.5. The brewed soy sauce is produced as follows: First, a raw material is prepared from a plant protein-source material and a low-starch carbohydrate-source material. Then, koji is made by inoculating koji mold to the prepared raw material. Next, salt water is added to the koji, and the mixture of the salt water and koji is fermented. At least 5 days after initiating the fermentation, yeast belonging to Candida genus is added to the mixture. Then, the fermentation is matured.


First Name Last Name City State Country
Yoshiyuki Toyoshima - - -
Yoshinobu Mogi - - -
Kaori Miura - - -


Section Class Sub Class Group Sub Group
A 23 L 1 238
A 23 L 1 20


Organization First Name Last Name City State Country
Yamaha Corporation - - - - -