Soy sauce
Production

Soy sauce is made either by fermentation or by hydrolysis. Some commercial sauces have both fermented and chemical sauces.

Flavor, color, and aroma developments during production are attributed to non-enzymatic Maillard browning.

Variation is usually achieved as the result of different methods and durations of fermentation, different ratios of water, salt, and fermented soy, or through the addition of other ingredients.
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