Propylene Glycol Alginate
This is what the ingredient is.
Propylene glycol alginate (PGA) is an ester of alginic acid and propylene glycol, derived from brown seaweed.
Here is why it shows up on the label.
Used as a stabilizer, thickener, and emulsifier in salad dressings, ice cream, and beer foam. Functions in acidic conditions where other alginates fail.
Here is what food agencies say.
The FDA has approved it for specific uses. Europe sets a suggested daily limit of about 70 milligrams per kilogram of body weight. It is allowed in the US, Europe, and many other countries.
Here is what research has found.
an FAO/WHO expert committee reviewed safety. Partially hydrolyzed in the gut. Established safety record in food applications.
Here are a few things worth knowing.
Generally safe at approved levels. Contains propylene glycol component.
Sources
- FDA CFR 21
- EFSA Panel
- JECFA Evaluation
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.