Glucono Delta Lactone
This is what the ingredient is.
Glucono delta lactone (GDL) slowly releases acid when dissolved, used as a leavening acid and acidifier.
Here is why it shows up on the label.
Provides slow acidification in baking and tofu production. Creates gradual acid release for even leavening.
Here is what food agencies say.
The FDA lists it as Generally Recognized as Safe. European food agencies allow it (E575). It is permitted in many countries worldwide.
Here is what research has found.
Natural compound found in honey and fruit juices. an FAO/WHO expert committee confirms safety. Converts to gluconic acid.
Here are a few things worth knowing.
Generally safe. No significant concerns at food-use levels.
Sources
- FDA CFR 21
- EFSA Panel on Food Additives
- JECFA Monograph
How to read this page
We publish plain facts about this ingredient so a label is easier to read. This is not medical advice, and it is not a recommendation to buy, avoid, or use anything. For a personal health question, talk with a clinician who knows your history.