Enzymes have active sites where they come into contact with particular substrates. The catalytic properties of enzymes are a cyclic process. Once a substrate has come into contact with the active site of an enzyme, it is modified by the enzyme to form the end product.
1 Reducing saturated fat to no more than 5 to 6 percent of total calories. 2  For someone eating 2,000 calories a day thatâs about 11 to 13 grams of saturated fat. 3  Reducing the percent of calories from trans fat.
They will also help you keep your cholesterol intake less than the Daily Value of 300 mg/day listed on the Nutrition Facts Label. If you want more flexibility, see box 17, below, to find out your saturated fat limit in grams. The maximum number of saturated fat grams depends on the amount of calories you get daily.