Tofu is made from dried soybeans that are soaked in water
crushed, and boiled.The mixture is separated into solid pulp
(okara)
and soy “milk.”Salt coagulants,such as calcium and
magnesium are
added to the soy milk chlorides and sulfates,
are added to the to
separate the curds from the whey. soy milk
In some cases, acid
coagulants, such as citric acid may be used.
The soy milk is poured
into molds to allow the carbohydrate-laden
whey to drain off.The resultant soft cakes are cut into squares and
stored under water until sold,in bulk or in individual water-filled
tubs.