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This auction is for 1kg of GDL (We also sell 3kg and 25kg).

Glucono Delta Lactone (GDL) can be found in honey, fruit juices, wine and many fermented products (e.g.kombucha). GDL is the dry form of gluconic acid which is obtained by the removing the water during the crystallization process. When it is dissolved in water this reaction is reversed.
GDL rapidly dissolves, and slowly hydrolyzes to gluconic acid, thus producing a gentle acidification in the same way as lactic acid-producing bacteria.

Glucono Delta Lactone is a GRAS ingredient ("Generally Regarded as Safe") used as a food additive to lower the pH of sauces and dressings without making them sour as citric acid can do.

In baking:
• Leavening agent (1 tsp of GDL with 1/2 tsp of sodium bicarbonate (baking soda) per cup (140g) of flour)
1 teaspoon of GDL + 1/2 teaspoon of sodium bicarbonate is equivalent to 2 teaspoons of regular baking powder.
• Can be used as replacement of tartaric acid (cream of tartar)
• Sodium free
• Aluminium free
• Gluten free
• Lactose free

In cheese making:
• Often used in the manufacture of direct-set cottage cheese
• Pre-acidifying milk for cheese making

In tofu:
To make tofu fah/silken (douhua/tau foo fa/tau huay), mix 1 teaspoon of GdL with 1 quart of warm soymilk. It will set in about 1 hour.

In salamis/sausages e.g. Kransky, Chorizo & Summer sausage (salami improver):
• shorter ripening process
• significant reduction of risk of bacteria contamination
• extended shelf life of the finished product
• reduced necessity for large amounts of nitrite
• Improves firmness and cutting ability of the meat
• Improves colour stability

In cosmetic uses:
• useful as moisturizer, pH adjuster, and sequestrant or chelating agent
• multiple hydroxyl groups attract water, resulting in a moisturizing effect when added to skin care formulations
• can be combined with antimicrobials (e.g. Leucidal Liquid, Potassium Sorbate, Sodium Benzoate, Optiphen) as part of an effective preservative system Please click here to ask a question
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Shipping options

  • RURAL (no PObox)$5.00
  • tracked courier nationwide (non rural/no PObox)$4.00
  • up to 25kg Auckland Central$4.50
  • up to 25kg Outer Auckland (Orewa-Pokeno)$4.90
  • up to 5kg North Island & South Island incl RURAL$9.00
  • Seller allows pick-ups
  • Seller location: Hibiscus Coast, Auckland, NZ

Payment options

  • Other options
    Cash, NZ bank deposit