D(-)-Arabinose is widely used in the field of biochemistry and microbiology as a carbon source for culturing microorganisms. It serves as a selective agent in media to differentiate and identify specific bacterial strains, particularly in studies involving metabolic pathways.

In the pharmaceutical industry, it is utilized as a precursor in the synthesis of various drugs and nucleoside analogs, which are essential in antiviral and anticancer therapies. Its role in the production of arabinosyl derivatives is critical for developing effective medicinal compounds.

Additionally, D(-)-Arabinose is employed in research related to carbohydrate metabolism and enzymology. It helps in understanding the mechanisms of enzyme action and the regulation of metabolic processes. Its application extends to the study of glycobiology, where it aids in exploring the structure and function of glycoproteins and glycolipids.

In the food industry, it is sometimes used as a low-calorie sweetener and a flavor enhancer, providing a mild sweetness without significantly impacting blood sugar levels. This makes it a potential ingredient in dietary and diabetic-friendly products.

Overall, D(-)-Arabinose plays a versatile role in scientific research, pharmaceuticals, and food technology, contributing to advancements in health and nutrition.