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.
Ingestion, digestion then absorption. In the mouth, both chemical digestion and mechanical digestion happen. The mechanical part is your teeth crushing the food into smaller pieces. The chemical part is when the salivary glands give off a special fluid that contains enzymes.igestion of carbohydrates start in the mouth. Amylase, an enzyme in saliva, hydrolyzes starch and glycogen into smaller polysaccharides. This digestion continues in the stomach after the food (bolus) passes through the esophagus.