alginates

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alginates (al-jin-ayts) pl. n. complex carbohydrates, derived from certain seaweeds, that readily absorb water to form a gel. They are included in many antacid preparations (e.g. Gastrocote, Gaviscon) for the relief of heartburn caused by gastro-oesophageal reflux and are also used in dressings for exuding wounds.

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