HOMEProductsAcidulantsGlucono Delta Lactone (GDL)

Glucono Delta Lactone (GDL)

E No.:E575
CAS NO.:90-80-2
Einecs No.:248-586-9
Hs code:2932209090
Payment Term:L/C, D/P, T/T
QC:HACCP, Halal, Kosher, ISO



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:

  • Through its slow hydrolysis to gluconic acid, it ensures a progressive and continuous decrease of pH to equilibrium. So it is used as a slow release acidifier.
  • During its hydrolysis, the initial sweet taste of GdL becomes only slightly acidic, making the final flavour of an aqueous solution of GdL much less tart than the one of other acidifiers.
Product Name: Glucono Delta Lactone Batch No: 20221221 Package: 25KF/Bag
Mfg Date: 20 Dec. 2022 Exp No: 19  Dec.2024 Quantity: 24000KGS
Characteristics Standard Examination result
Identification Pass Test pass
Appearance White crystals pass
Sucrose or Reducing Sugars Pass JSFA pass
Assay 99.0 - 100.50 99.37%
Moisture ≤ 0.50% <0.3%
Reducing Substances ≤ 0.50% <0.5 %
Lead ≤10ppm <10ppm
Heavy metals ≤20ppm <20ppm
As ≤10ppm <1ppm
Sulphate Ash ≤0.1% <0.1%
Chlorides ≤0.02% <0.02%
Iron ≤0.001% <0.001%
Residue on ignition ≤0.001% <0.001%
Color (APHA of 30%   solution) APHA ≤35 pass
Color (10% solution) Colorless pass
Clarity (10% solution) Almost clear pass
Particle Size: 100% pass 60 mesh pass

In Food

Glucono-Delta-Lactone E575 can used as sequestrant, acidifier, curing, pickling, leavening agent and preservatives in food such as coagulant in tofu/soy products, sausage, salami, meet, baking, cheese, surimi; in seafood to keep fresh; leavening agent in baking powder to ferment; instant food, dessert, ice cream

In Beverage

Glucono-Delta-Lactone E575 can be used as nutritional supplement in beverage such as in Instant Drinks, Syrups, RTD Tea and Coffee, Sports and Energy Drinks, Waters

In Pharmaceutical

Glucono-Delta-Lactone E575 is used in treating hepatic coma, the preparation of amino acid transfusion, and used in the treatment of liver disease in pharmaceutical.

In Health and Personal care

In cosmetics and personal care products, Glucono-Delta-Lactone E575 and its derivatives may be used in the formulation of mouthwashes, bath products, cleansing products, skin care products and shampoo. Gluconolactone used as Chelating agent and Skin conditioning agent in cosmetic and personal care products.

In Agriculture/Animal Feed/Poultry

Glucono-Delta-Lactone E575 can be used as supplement in Agriculture/Animal Feed/Poultry products.

In Other Industries

Glucono-Delta-Lactone E575 can be used as Construction and Fine Chemicals

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