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.
For example, youâd need to eat 22 to 39 grams of fat when consuming a 1,000-calorie diet, 27 to 47 grams when following a 1,200-calorie meal plan, 31 to 54 grams when consuming 1,400 calories and 36 to 62 grams of fat each day when consuming a 1,600-calorie weight loss diet.at Recommendations. To calculate the grams of fat you should eat each day to facilitate weight loss while staying healthy, take 20 and 35 percent of your total calorie needsâas recommended by the Institute of Medicine-- and divide by nine, since fat provides nine calories per gram.