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Wiktionary
saccharic acid

n. (context carbohydrate English) The aldaric acid derived from glucose

WordNet
saccharic acid

n. a white dicarboxylic acid formed from oxidation of sugar or starch

Wikipedia
Saccharic acid

Saccharic acid, also called glucaric acid, is a chemical compound with the formula CHO. It is derived by oxidizing a sugar such as glucose with nitric acid.

The salts of saccharic acid are called saccharates or glucarates.