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 typical low-fat diet restricts your daily fat consumption to 50 grams. The goal is to focus on vegetables, whole grains and fruit. Limit your meat, fish and poultry intake to 6 ounces per day, recommends the New York University Langone Medical Center. You can enjoy low-fat snacks in moderation.