E575 Glucono-delta-lactone: Halal or Haram?
Halal
A slow-acting acidifier that sets tofu and cures sausage. E575 (Glucono-delta-lactone) is Halal. Also called GDL or gluconolactone.

Why it is Halal
It is made by fermenting glucose from plants.
Where you meet it
Tofu, cured sausage, baking powder, dairy desserts.
What to do in the shop
Nothing special to do for E575 itself. Read the rest of the list: a product is only as clear as its least clear ingredient.
A status here describes the additive in general, and a specific product can be different. The same number can be made from plant or animal material depending on the manufacturer, and the label does not say which.
Questions people ask
Is E575 Halal?
Yes. E575 (Glucono-delta-lactone) is Halal: it raises no animal-source question. The rest of the ingredient list still decides the product.
What is E575 made from?
It is made by fermenting glucose from plants.
Related additives
- E551 Silicon dioxide · Halal
- E524 Sodium hydroxide · Halal
- E509 Calcium chloride · Halal
Check a product, not just a number
An additive's status describes the additive in general. What matters is the whole ingredient list on the packet in your hand.
This is information, not a fatwa. These statuses combine published scholarly positions with ingredient analysis, and they can be incomplete or out of date. For anything that matters, confirm with the manufacturer and with a qualified authority.