D-Lactose monohydrate

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D-Lactose is a disaccharide composed of a glucose unit and a galactose unit, and it is the principal carbohydrate found in milk. Its monohydrate form contains one molecule of water per molecule of lactose within its crystalline structure. Due to its excellent flowability and stability, D-lactose monohydrate is the most widely used excipient in the pharmaceutical industry for the production of tablets and capsules.