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.
1 Limiting the amount of saturated fats you eat to less than 7 percent of your total daily calories. 2  That means if you need about 2,000 calories a day, less than 140 calories (or 16 grams) should come from saturated fats. 3  Limiting the amount of trans fats to less than 1 percent of your total daily calories. Limiting the amount of saturated fats you eat to less than 7 percent of your total daily calories. 2  That means if you need about 2,000 calories a day, less than 140 calories (or 16 grams) should come from saturated fats. 3  Limiting the amount of trans fats to less than 1 percent of your total daily calories.