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Article: HOW STUFF WORKS: Soy milk and tofu come from beans
- Article from:
- Charleston Gazette
- Article date:
- May 7, 2007
- Author:
CopyrightCopyright 2007 Charleston Gazette. Provided by ProQuest LLC. (Hide copyright information)
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What's soy milk?
To make it, you start with half a cup of dried soybeans soaked in
water for half a day. Then they're ground up in a blender and the
bean pulp is boiled. The pulp is then filtered out with a cloth and,
voila, the liquid left behind is soy milk.
It's a lot like cow's milk. One cup of "2 percent" cow's milk
contains about 5 grams of fat (in the form of cream) per cup.
Soy milk also contains about 5 grams of fat (in the form of
soybean oil) per cup. Cow's milk has about 8 grams of dairy protein,
while soy milk has about 7 grams of vegetable protein.
Making soy milk is very inexpensive compared to cow's milk - about
$1 a gallon. If you buy the beans in bulk, you can push the ...