Typsin Inhibitor & Home Made Soy MIlks

[Guest guest]

This message is for anyone out there making their own soy milks (not sure

how this relates to flours).

I only know what I am reading, I have no further knowledge on this

subject. Anyone know about this Typsin inhibitor found in soybeans?

I am reading a 1975 published book titled The Book of Tofu. The section

on soy milks gives a lengthy explaination about soybeans containing a

substance called " typsin inhibitor " , or T1, which obstructs the

functioning of the pancreas-secreted trypsin enzyme for the digestion of

protein and the maintanence of proper growth. It goes on to say that the

only way to deactivate " typsin inhibitor " is by cooking for a lenghty

time.

This book recommends that well-soaked whole soybeans be simmered for 4-6

hours or pressure cooked at 15 pounds for 20-30 minutes.

It is recommended that ground soybeans (home ground beans in preparation

for milk making) be heated in water to the point of foaming, squeezed to

release the milk and the the milk cooked for an additional 5-7 minutes to

deactivate the " typsin inhibitor " Here is this book's recipe for making

soymilk. I had been making soymilk using gound beans without cooking and

have tossed that recipe out and repalced it with this one.

Sharon in Virginia

Homemade Soy Milk from beans Makes 3+1/4 cups

From The Book of Tofu: Food for Mankind

1 cup soybeans: washed & drained 3 times, soaked in 2 quarts water for 10

hours at 70 degrees, then rinsed & drained twice

1. Grind beans in Vita-Mix.

2. On med-high heat 3 cups water in large pot. Add ground beans and Stir

constantly to prevent sticking.

3. When foam appears, turn off heat. Pour through double cheesecloth

inside of colander inside of large pot to catch the milk. Twist

cheescloth to extract all soymilk.

4. Pour additonal ½ cup water over soybean residue (okara*) in

cheesecloth, twist to extract, set aside for future cooking.

5. Pour soymilk back into pot and bring to a boil over med-high heat.

Stir constantly. Lower to medium and cook 5-7 minutes. Turn off heat.

Done

*Add okara to scrambled eggs for more protein.