Soybeans…
Most of soybeans used in soy sauce are fat free.
Soybeans are responsible for soy sauce's unique good taste
and color.
Wheat…
Helps to produce the smell and color of soy sauce.
Salt…
Preserves moromi from spoiling and produces the salty taste of
soy sauce.
Water…
Any water is all right as long as it's good to drink, except
for water that is high in iron.
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