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  • Degreasing

    Degreasing


    • Degreasing, often called Defatting or fat trimming, is the removal of fatty acids from an object. In culinary science, degreasing is done with the intention of reducing the fat content of a meal.

      Degreasing is often used by dieters, particularly those following low fat diets to reduce their fat consumption to induce weight loss. The energy content of 1 g of fat is 9 calories, while that of carbohydrates and proteins are 4 calories. Hence, dieters often view decreasing fat consumption as an efficient way of losing weight without greatly sacrificing total volume of food. Degreasing during meal preparation is used to reduce the energy content of the food being prepared, and degreasing on a prepared food is also often used in social situations where one may have to consume restaurant food which is rich in fat.

      Those people who wish to reduce their cholesterol level or fat intake, in particular people with hypercholesterolemia often use degreasing to reduce their fat consumption.

      Fat trimming of a meal can be done during preparation by a variety of methods. The most common methods involving substituting food items or removal of naturally occurring fat and conservative addition of fat.

      Substituting fats is a method in which a certain ingredient is substituted by another ingredient. A common way of doing this is substituting saturated fatty acids with unsaturated fatty acids while cooking. For instance, olive oil can be used instead of butter for seasoning salad.

      Food items are also substituted to reduce fat content. For instance, instead of using eggs by using a whole egg, where the egg yolks are high in fat levels, egg whites can instead be used. Alternatively, skimmed milk or similar low fat products can be used as ingredients for cooking.

      Many different foods can be degreased after preparation. Liquid foods that are high in fat, such as braising liquids, roasting juices and broths may have floating oil on top throughout and after the cooking process. Fat can be skimmed off the liquid with a small ladle, spoon, or cup as the liquid simmers and then discarded. This is done by placing the saucepan with only half of it on the heat source so that the liquid simmers only on one side. This pushes the fat to the opposite side and makes it easier to lift off with the ladle. The fat can then be skimmed off by holding the ladle so that the top of its bowl is almost level with the liquid and then tilting it slightly and in a circular motion toward the edge of the saucepan where the fat accumulates.



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