Choose Healthy Sources of Fat. A low-carbohydrate diet tends to be high in fat and protein, and low-carb dressings and dipping sauces can be high-fat. Select varieties that are low in saturated fat to support lower cholesterol levels and a reduced risk for heart disease.
Most chemical digestion occurs in the duodenum, which is part of  the small intestine. Chemical digestion also occurs to a lesser  degree in the mouth and stomach. No chemicâ¦al digestion occurs in  the esophagus or large intestine. Dani64.
Chemical Digestion. Protein digestion occurs in the stomach and the duodenum through the action of three primary enzymes: Pepsin, secreted by the stomach. Trypsin, secreted by the pancreas. Chymotrypsin, secreted by the pancreas.