Overview of GML-Glycerol Monolaurate
The chemical formula of GML-Glycerol monolaurate is C15H30O4, which is a lipophilic non-ionic surfactant. Its color is milky white granular or flaky solid, which can be dispersed in hot water and soluble in ethanol and hot oil. GML-Glycerol monolaurate can be synthesized by direct esterification of lauric acid and glycerol.
Specifications of GML-Glycerol Monolaurate
| Property |
Specification |
| Appearance |
White to off-white powder or flake |
| Odor |
Characteristic, mild fatty odor |
| Melting Point (℃) |
58 - 62 |
| Acid Value (mg KOH/g) |
Max. 2 |
| Saponification Value (mg KOH/g) |
390 - 420 |
| Iodine Value (g I2/100g) |
Max. 1 |
| Hydroxyl Value (mg KOH/g) |
160 - 180 |
| Peroxide Value (meq O2/kg) |
Max. 5 |
| Water Content (%) |
Max. 1 |
| pH (1% solution in water at 25℃) |
5.0 - 7.0 |
The Chemical Properties of GML-Glycerol Monolaurate
Melting point: 140-142℃
Density: approximately 0.975
Refractive index: approximately 1.459
Storage conditions: Store in a dry, cool, well-ventilated place away from incompatible materials
Solubility: Insoluble in water, soluble in ethanol and hot grease
Form: powder or granules
Color: milky white
Odor: Odorless
Water solubility: insoluble in water
Application of GML-Glycerol Monolaurate:
GML-Glycerol monolaurate is a compound with a variety of applications.
1.It can be used as a food additive to play the roles of emulsification, antisepsis, and antibacterial. It is widely used in infant milk powder, rice noodles and other products to extend the shelf life of food and improve product quality. In addition, it can also be added to baked goods to improve the quality of rice and flour products.
Application of GML Glycerol monolaurateWhat is Glycerol Monolaurate used for?
GML is used as an antimicrobial agent, emulsifier, and lubricant in various applications. In cosmetics, it helps stabilize formulations and has skin conditioning properties. In the food industry, it acts as a preservative and texture enhancer. In pharmaceuticals, it can be found in drug delivery systems and as an excipient.
Is Glycerol Monolaurate safe for consumption?
Yes, GML is generally recognized as safe (GRAS) by the U.S. Food and Drug Administration (FDA) for use in food products. It is also approved for use in pharmaceuticals and cosmetics, following respective regulations. However, like any ingredient, it should be used within recommended limits.
How does Glycerol Monolaurate work as an antimicrobial?
GML exhibits antimicrobial activity primarily against Gram-positive bacteria and some fungi. It works by disrupting the cell membrane of microorganisms, leading to their inactivation. This property makes it valuable in preserving foods and personal care products from microbial spoilage.
Can Glycerol Monolaurate be used in natural or organic products?
GML can be derived from natural sources such as coconut or palm oil, which means it can be used in products aiming for natural claims. However, whether it qualifies for organic certification depends on the specific regulations and standards of certifying bodies. Always check the requirements for organic labeling.
What is the shelf life of Glycerol Monolaurate?
Under proper storage conditions, which include keeping the product in a cool, dry place away from direct sunlight and moisture, GML typically has a shelf life of around 2 years. The actual shelf life can depend on factors like packaging and handling. Consult the supplier’s documentation for specific storage recommendations and expiration dates.
