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.
The American Heart Association recommends that the calories from fat should be no more than 25 percent to 35 percent of your daily calorie intake. If you eat a 2,000 calorie diet, you should eat no more than 65 grams of fat per day. Saturated fat should be no more than 5 percent to 6 percent of total calories. Trans fat is artificially-produced fat that adds hydrogen to liquid vegetable oils to make them more solid, often known as partially-hydrogenated oils.