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.
These changes increase your risk for heart disease. It is best to avoid trans fats whenever possible. The American Heart Association recommends that you limit your daily intake of trans fats to no more than 1 percent of your total daily calories. For a 2,000 calorie per day diet, the trans fat limit is 2 grams daily.at contains nine calories per gram, so divide each number of the fat-calorie range by nine to determine your daily fat grams. For a 2,000-calorie per day diet, the recommended daily fat intake is 44 to 78 grams.