At recruitment into the study, participants completed a validated semi-quantitative food-frequency questionnaire that included individual listings for 9 common
soy food items including natto.
Functional
soy proteins can form strong gels and have high water-binding capacity.
Although isoflavones are like estrogen,
soy foods do not actually contain estrogen.
Caption:
Soy foods: tofu, tempeh, soymilk, soy sauce, and soybeans.
For example, researchers didn't look at
soy consumption after cancer diagnosis and treatment, and it's possible that the women who survived longer may have made other dietary changes after their diagnosis than were not made by the other women.
The evidence that large intakes of
soy appear safe (or even beneficial) is based largely on the Chinese women.
In 2010, over eight in 10 consumers (84 percent) rate
soy products as healthy on an aided basis, with very few rating them as unhealthy (only 4 percent)," the 17th annual Consumer Attitudes About Nutrition, from the Chesterfield, Mo.
The extrinsic effect of
soy in displacing foods that are higher in saturated fat and cholesterol was investigated by substituting the animal protein present in normal foods consumed in Western diets with
soy protein, in increments from 13-58 g per day.
Product developers may be able to gain new users by blending
soy ingredients with nuts and grains to create innovative, better tasting and possibly more affordable food and beverages," added Mr.
Soy wax comes from the soybean and does n't contain pollutants
While research on the effects of
soy on bone metabolism has been inconsistent, many positive studies do exist that suggest a role for
soy in slowing bone turnover and increasing bone density in women.
Some doctors advise patients with breast cancer and other hormone-sensitive conditions to limit their
soy intake (
soy contains phytoestrogens, which can act like estrogen in the body), but others can aim for a balanced diet that includes
soy yogurt.
