Food anti-caking agents are additives that prevent powdered or granulated foods from clumping or forming lumps, ensuring free-flowing consistency during storage and use.
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![Sodium Ferrocyanide]()
Sodium FerrocyanidePale yellow crystal. It is easy to dissolve in water, difficult to dissolve in alcohol and has no fixed melting point. It begins to dehydrate when heated to 50 ℃, becomes anhydrous at 81.5 ℃,read more -
![Potassium Ferrocyanide]()
Potassium FerrocyanideLight yellow monoclinic particles or crystalline powder. The relative density is 1.853 (17 ℃), without odor and salty taste. It is stable in the air. When it is heated to 70 ℃, it loses crystal waterread more -
![Microcrystalline Cellulose]()
Microcrystalline CelluloseWhite fine crystalline flowable powder. Odorless and tasteless. Insoluble in water, dilute acid or alkali solutions, and most organic solvents. It can absorb water and swell. Microcrystallineread more -
![Tricalcium Orthphosphate]()
Tricalcium OrthphosphateWhite powder, odorless and tasteless, stable in air, relative density about 3.18, melting point 1670 ℃. Hardly soluble in water (about 0.0025g in 100g water, slightly higher in water containingread more -
![Talc]()
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![Calcium Silicate]()
Calcium SilicateWhite to off-white easy flowing powder. It is composed of calcium oxide and silicon dioxide in different proportions and can be divided into water and anhydrous. Insoluble in water, but can form gelread more -
![Silicon Dioxide]()
Silicon DioxideSilica is an amorphous substance. According to the preparation method, colloidal silicon and wet silicon are divided. Colloidal silicon is white, fluffy, hygroscopic, and very fine powder; Wetread more
Anticqking work by absorbing excess moisture or coating particles to reduce surface adhesion.
Key Functions & Mechanisms
Moisture Absorption:
Hygroscopic compounds (e.g., calcium silicate) trap water to keep powders dry.
Particle Coating:
Hydrophobic agents (e.g., stearates) create a water-repellent layer.
Barrier Formation:
Insoluble materials (e.g., silicon dioxide) physically separate particles.
Common Anti-Caking Agents
| Type | Examples | Food Applications |
|---|---|---|
| Mineral-Based | Calcium silicate (E552), silicon dioxide (E551) | Spices, baking powder, instant coffee |
| Salt Derivatives | Sodium ferrocyanide (E535) | Table salt, powdered soups |
| Fatty Acid Salts | Magnesium stearate (E470b) | Flavored drink mixes, grated cheese |
| Natural Alternatives | Rice flour, powdered cellulose | Organic products, supplements |
Why Are They Used?
✔ Prevents clumping in humid conditions.
✔ Extends shelf life by maintaining texture.
✔ Ensures dosing accuracy (e.g., in spice blends or baking mixes).
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