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 says that you should limit trans fats to less than 1 percent of your caloric intake. That would be a maximum of 2.2 grams of trans fat for a 2,000-calorie diet. As with saturated fats, if you do have trans fats, theyâll take away from your total fat gram daily requirement.