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.
Fats provide more calories per gram â 9 â than protein or carbohydrates. The Institute of Medicineâs AMDR for total fat consumption for adults is 20 to 35 percent of your daily calorie intake. Therefore, if youâre an adult who consumes 2,000 calories per day, your fat intake should be between 44 g and 78 g per day.