Is Glucono Delta-Lactone vegan?

Glucono Delta-Lactone

Vegan

Glucono delta-lactone (GDL) is a fine white acidic powder that is the cyclic ester of gluconic acid. It is commercially produced by the microbial oxidation of glucose, typically using Aspergillus niger, and is used as a mild acidulant, leavening agent, and coagulant in food and cosmetics.

Also known as D-Glucono-1,5-lactone, GDL, Gluconic acid delta-lactone, Glucono-δ-lactone, Gluconolactone
E number E575
CAS number 90-80-2
EC number 202-016-5
Last reviewed 16 April 2026

Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.