📌 Detailed Introduction of Glucono-Delta-Lactone (GDL)
✔ What is Glucono-Delta-Lactone (GDL)?
Glucono-Delta-Lactone (GDL) is a naturally occurring cyclic ester of gluconic acid and is widely used as a food additive. It is a white, crystalline powder that has the unique ability to dissolve into gluconic acid in aqueous solutions, acting as a slow-release acidulant. GDL is used to regulate pH levels, enhance flavor, and control the gelling process in various food products. Its slow-release properties make it useful in cheese, tofu, and as an antioxidant in food preservation.
📌 Production Method & Raw Materials
✔ Raw Materials:
Glucose: The main raw material for GDL production, derived from natural sources like corn or sugar beets.
Fermentation & Chemical Synthesis: The production of GDL is commonly achieved through fermentation or chemical synthesis of glucose into gluconic acid, which is then converted into Glucono-Delta-Lactone.
✔ Production Process:
Fermentation: Glucose is fermented using specific microorganisms to form gluconic acid.
Lactonization: Gluconic acid undergoes lactonization, converting it into Glucono-Delta-Lactone (GDL), which is then isolated and purified.
Drying: The final GDL product is dried and milled into a fine white powder.
📌 Applications of Glucono-Delta-Lactone (GDL)
✔ Food & Beverage Industry
Cheese Production: GDL is used as an acidulant and coagulator in cheese making, particularly in the production of cottage cheese and cream cheese.
Tofu Processing: GDL is used as a coagulant in the production of tofu, allowing for the slow release of acid to form the desired texture.
Beverages: GDL is added to carbonated drinks and fruit juices as a pH regulator and flavor enhancer.
Bakery: Used in baked goods to adjust the pH and improve the shelf life of cakes, pastries, and bread.
Canned & Processed Foods: Acts as an antioxidant to improve product stability and freshness in canned foods.
✔ Pharmaceutical & Health Industry
Oral Health Products: Used in the formulation of toothpastes and mouthwashes as a mild acidulant.
Antioxidant: GDL is used as a natural preservative in certain pharmaceutical formulations to protect against oxidative degradation.
Drug Delivery Systems: GDL’s controlled release properties make it useful in controlled-release drug formulations.
✔ Cosmetics & Personal Care
Skin Care Products: Used as an antioxidant and pH regulator in lotions, creams, and serums.
Hair Care: Added to shampoos and conditioners to help maintain the pH balance of the hair and scalp.
✔ Industrial Applications
Metal Plating: GDL is used in the phosphating process for metal surfaces to improve corrosion resistance.
Textile Industry: Acts as a dye-fixing agent in textile processing.
📌 Key Benefits of Glucono-Delta-Lactone (GDL)
✅ Controlled Acid Release – Slowly releases gluconic acid, making it ideal for applications that require gradual pH changes, like cheese making and tofu production.
✅ Natural Antioxidant – Protects food products from oxidative spoilage, improving shelf life.
✅ Versatile Applications – Used in food, beverages, pharmaceuticals, and cosmetics.
✅ Safe & GRAS-Approved – Recognized as safe by regulatory bodies for use in food and pharmaceutical applications.
✅ Non-Toxic & Non-Hazardous – A safe alternative to other chemical acidulants and preservatives.
✅ Kosher & Halal Certified – Suitable for a wide range of dietary requirements.
📌 Product Specifications
Property | Specification |
---|---|
Appearance | White crystalline powder |
Purity (%) | ≥ 98.0% |
Moisture Content (%) | ≤ 5.0% |
pH (1% Solution) | 2.0 - 3.0 |
Solubility | Soluble in water |
Ash Content (%) | ≤ 1.0% |
Heavy Metals (ppm) | ≤ 10 |
Lead (ppm) | ≤ 2.0 |
Arsenic (ppm) | ≤ 3.0 |
Microbiological Limits | Conforms to food-grade standards |
Packaging | 25kg bags or customized |
Shelf Life | 24 months |
📌 Famous Glucono-Delta-Lactone Brands Worldwide
Glanbia Nutritionals (Ireland)
ADM (United States)
Tate & Lyle (UK)
Jiangsu Khonor Chemicals Co., Limited (China)
📌 Why Choose Jiangsu Khonor Chemicals Co., Limited for Glucono-Delta-Lactone (GDL)?
✔ High-Quality GDL – Our GDL meets the highest standards for food, pharmaceutical, and cosmetic applications.
✔ Competitive Pricing – Cost-effective for bulk orders and global shipping.
✔ Reliable Supply Chain – Fast delivery and consistent availability for manufacturers.
✔ Custom Solutions – Tailored formulations for specific industry needs.
📌 Order Glucono-Delta-Lactone (GDL) Today!
Looking for a trusted supplier of Glucono-Delta-Lactone (GDL)? Jiangsu Khonor Chemicals Co., Limited provides premium GDL for food, beverages, pharmaceuticals, and industrial applications, with bulk orders and custom packaging.
📞 Contact us today for pricing, bulk orders, and technical details!