Glucose vs. Dextrose - What's the difference?

Wikipedia

  • Glucose

    Glucose (also called dextrose) is a simple sugar with the molecular formula C6H12O6. Glucose is the most abundant monosaccharide, a subcategory of carbohydrates. Glucose is mainly made by plants and most algae during photosynthesis from water and carbon dioxide, using energy from sunlight. There it is used to make cellulose in cell walls, which is the most abundant carbohydrate. In energy metabolism, glucose is the most important source of energy in all organisms. Glucose for metabolism is partially stored as a polymer, in plants mainly as starch and amylopectin and in animals as glycogen. Glucose circulates in the blood of animals as blood sugar. The naturally occurring form of glucose is D-glucose, while L-glucose is produced synthetically in comparably small amounts and is of lesser importance. Glucose, as intravenous sugar solution, is on the World Health Organization's List of Essential Medicines, the most important medications needed in a basic health system. The name glucose derives through the French from the Greek γλυκός, which means "sweet," in reference to must, the sweet, first press of grapes in the making of wine. The suffix "-ose" is a chemical classifier, denoting a sugar.

Wiktionary

  • Glucose (noun)

    A simple cellular metabolism.

  • Dextrose (noun)

    The naturally-occurring dextrorotatory form of glucose monosaccharide molecule.

Oxford Dictionary

  • Glucose (noun)

    a simple sugar which is an important energy source in living organisms and is a component of many carbohydrates.

  • Glucose (noun)

    a syrup containing glucose and other sugars, made by hydrolysis of starch and used in the food industry.

  • Dextrose (noun)

    the dextrorotatory form of glucose (and the predominant naturally occurring form).

Webster Dictionary

  • Glucose (noun)

    A variety of sugar occurring in nature very abundantly, as in ripe grapes, and in honey, and produced in great quantities from starch, etc., by the action of heat and acids. It is only about half as sweet as cane sugar. Called also dextrose, grape sugar, diabetic sugar, and starch sugar. See Dextrose.

  • Glucose (noun)

    Any one of a large class of sugars, isometric with glucose proper, and including levulose, galactose, etc.

  • Glucose (noun)

    The trade name of a sirup, obtained as an uncrystallizable reside in the manufacture of glucose proper, and containing, in addition to some dextrose or glucose, also maltose, dextrin, etc. It is used as a cheap adulterant of sirups, beers, etc.

  • Dextrose (noun)

    A sirupy, or white crystalline, variety of sugar, C6H12O6 (so called from turning the plane of polarization to the right), occurring in many ripe fruits, and also called glucose. Dextrose and levulose are obtained by the inversion of cane sugar or sucrose, and hence the mixture is called called invert sugar. Dextrose is chiefly obtained by the action of heat and acids on starch, and hence called also starch sugar. It is also formed from starchy food by the action of the amylolytic ferments of saliva and pancreatic juice.

Princeton's WordNet

  • Glucose (noun)

    a monosaccharide sugar that has several forms; an important source of physiological energy

  • Dextrose (noun)

    an isomer of glucose that is found in honey and sweet fruits

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