Dr. Ornish's diet plan limits daily calories from fat to less than ten percent, with little to no saturated fat or cholesterol.

VOA: special.2011.07.05

Then you can look at the number of calories per --from fat that's offered in the food.

下面能看出食物中有多少热量来自脂肪

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选