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 average person should have about 85- 100 grams of fat per day. If you are on a diet you should have about 60 grams of fat per day. The United States Health Department states the following on their site: A 1,600 calorie per day diet: 18 grams of saturated fat or less, 53 grams of fat or less. A 2,000 calorie per day diet: 20 grams of saturated fat or less, 65 grams of fat or less.