_
.
""
() , , , "" , , .
, European Journal of Clinical Nutrition, , , . 50 , - . , , . , , 30 , "" , , .
, , , . . . , , , .
***
, American Journal of Clinical Nutrition, 30% 2 .
80 26 , . 26 6950 , 9% . , , 15 , .
2 .
***
! -
, , .
, , , . , - , .
, , , .
( health.mail.ru)