Glucono Delta Lactone
Glucono Delta Lactone (GDL) Overview
Glucono delta lactone (GDL), also known as gluconic acid lactone, is a white crystalline powder with a mild sweet-to-sour taste. Below is a concise overview of ...
Category：Food Additives
Introduction
Glucono Delta Lactone (GDL) Overview
Glucono delta lactone (GDL), also known as gluconic acid lactone, is a white crystalline powder with a mild sweet-to-sour taste. Below is a concise overview of its key properties and applications.
1. Basic Properties
| Parameter | Details |
|---|---|
| CAS Number | 90-80-2 |
| Chemical Formula | C₆H₁₀O₆ |
| Molecular Weight | 178.14 g/mol |
| Physical State | White crystalline powder |
| Solubility | Soluble in water (500 g/L at 20 °C), insoluble in ether |
| Hydrolysis | Slowly hydrolyzes to gluconic acid in aqueous solutions |
2. Applications
| Field | Uses |
|---|---|
| Food Industry | Coagulant in tofu, acidifier, leavening agent, preservative |
| Dairy Processing | Prevents milkstone formation |
| Baking | pH regulator when mixed with sodium bicarbonate |
| Cosmetics | Chelating agent, stabilizer |
| Industrial Uses | Metal cleaning, electroplating, plastic modification |
3. Safety & Regulations
| Aspect | Details |
|---|---|
| Safety Status | GRAS (FDA), ADI not specified (EFSA) |
| Usage Limits | ≤2.0 g/kg in infant foods (≤12 months) |
| Handling Precautions | Avoid inhalation; use gloves for prolonged contact |
| Storage Conditions | Store in a cool, dry place (<30 °C); avoid humidity |
GDL is a versatile, safe additive widely used in food and industrial applications due to its controlled acidification and stability. For detailed specifications, refer to the product datasheet.
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