How to choose safe soy sauce

　　Looking at the color, brewed soy sauce is reddish brown or light reddish brown.

　　The color is bright and shiny, not turbid and has no sediment.

　　Second smell, the brewed soy sauce has a strong soy sauce and ester aroma when the bottle cap is opened.

　　After three tastings, the brewed soy sauce has a pleasant aroma, a mellow flavor, outstanding umami and a slightly sweet taste.