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Send EmailCAS Registry Number: 90-80-2
Chemical Formula: C6H10O6
E-Number: E575
Glucono-1,5-Lactone or GdL is a neutral cyclic ester of gluconic acid, produced with the acid by fermentation of glucose. It is separated from the acid by crystallisation.
GdL is a fine, white crystalline powder, freely soluble in water. It is practically odourless and has a slightly sweet taste. Non toxic, it is completely metabolised in the body like a carbohydrate.
When added into an aqueous solution, GdL rapidly dissolves, and subsequently slowly hydrolyses to gluconic acid, thus producing a gentle acidification in the same way as lactic acid-producing bacteria. In solution both gluconic acid and GdL are always in balance. The equivalent point and the rate of transformation are related to concentration, temperature and pH-value.
Two properties set GdL apart from other common acids and are the base of its application range:
Jungbunzlauer glucono-delta-lactone is supplied in accordance with the latest requirements of the United States Pharmacopeia (USP), the Food Chemicals Codex (FCC) and of Commission Regulation (EU) No 231/2012.
GdL is available as food grade and Personal Care grade.
For food grade we offer a granular and powder material and for Personal Care grade we offer a granular material. Special granulations are available upon request.
Jungbunzlauer glucono-delta-lactone is available in 25 kg net polyethylene (LDPE) bags or in 1000 kg net polypropylene big bags.