Mannitol

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mannitol A polyhydric alcohol, CH2OH(CHOH)4CH2OH, derived from mannose or fructose. It is the main soluble sugar in fungi and an important carbohydrate reserve in brown algae. Mannitol is used as a sweetener in certain foodstuffs and as a diuretic in medicine to relieve fluid retention.

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mannitol Mannite or manna sugar, a six‐carbon sugar alcohol found in beets, pumpkin, mushrooms, onions; 50–60% as sweet as sucrose. Extracted commercially from seaweed (Laminaria spp.) or made from the sugar mannose (E‐421).

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mannitol A polyhydroxy alcohol, which can be synthesized chemically by the reduction of mannose. It is found in many higher plants and in some algae.

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mannitol (man-i-tol) n. a diuretic administered by intravenous infusion mainly to reduce intracranial pressure in brain injuries, and in the emergency treatment of glaucoma.