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.
Most of the fat in your diet should come from good fats. Saturated fats and trans fats are best avoided but in any case should make up no more than 10 percent of your total calories. Dietary cholesterol intake should be less than 300 mg a day. If you have high blood cholesterol levels, you should aim for less than 200 mg a day. Refer to the table below to see how much fat you should be consuming per day. 1200 cals. 240 to 420 cals. 27 to 47g. 13g. 1500 cals.