Chemical Name: Zinc Malate
Molecular Formula: C₄H₄O₅Zn
Molecular Weight: 183.48 g/mol
Synonyms: Zinc DL-Malate, Zinc Malate Salt
Description:
Zinc Malate is an organic zinc salt of malic acid. It is a white crystalline powder with excellent solubility and bioavailability. Zinc Malate is widely used in dietary supplements, fortified foods, and pharmaceutical formulations to support immune function, metabolic health, and enzymatic processes.
1. Industrial Grade Zinc Malate
Application: Manufacturing of nutritional powders, tablets, functional foods, and other industrial formulations.
| Parameter | Specification / Range |
|---|
| Appearance | White to off-white crystalline powder |
| Zinc Content (Zn) | 12 – 14% |
| Malate Content | 65 – 70% |
| pH (5% aqueous solution) | 5.5 – 7.0 |
| Moisture Content | ≤5% |
| Solubility (20°C) | Soluble in water |
| Heavy Metals (Pb) | ≤10 ppm |
| Arsenic (As) | ≤3 ppm |
| Loss on Ignition | ≤10% |
| Particle Size | 80% through 100 mesh |
| Bulk Density | 0.5 – 0.7 g/mL |
| Microbial Limits | Total Plate Count ≤1000 CFU/g |
| Salmonella | Negative |
| Storage Conditions | Cool, dry, sealed container |
| Shelf Life | 36 months |
Features & Benefits:
High purity and excellent processing performance
Suitable for powder blends, tablets, capsules, and fortified foods
Good solubility for industrial formulations
2. Food Grade Zinc Malate
Application: Dietary supplements, functional foods, beverages, and nutraceuticals.
| Parameter | Specification / Range |
|---|
| Appearance | White crystalline powder |
| Zinc Content (Zn) | 12 – 13.5% |
| Malate Content | 65 – 70% |
| pH (5% aqueous solution) | 5.5 – 6.8 |
| Moisture Content | ≤5% |
| Solubility (20°C) | Soluble in water |
| Heavy Metals (Pb) | ≤5 ppm |
| Arsenic (As) | ≤1 ppm |
| Microbial Limits | Total Plate Count ≤500 CFU/g |
| Mold & Yeast | ≤50 CFU/g |
| Salmonella | Negative |
| Storage Conditions | Cool, dry, sealed container |
| Shelf Life | 36 months |
Features & Benefits:
Gentle on the digestive system, minimal irritation
High bioavailability compared to inorganic zinc salts
Ideal for capsules, tablets, powders, and beverages
3. Physical & Chemical Properties
| Property | Value |
|---|
| Molecular Weight | 183.48 g/mol |
| Solubility | Soluble in water, slightly soluble in alcohol |
| Stability | Stable under standard storage conditions |
| Hygroscopicity | Slightly hygroscopic |
4. Regulatory Information
| Regulation | Compliance |
|---|
| Food Additive Status | GRAS (Generally Recognized As Safe) in USA |
| EU Regulation | Approved as a zinc source for supplements (EFSA) |
| Food / Supplement Grade | Compliant with FCC / USP standards |
5. Applications
Industrial Grade:
Powder blends for nutritional bars and supplements
Tablet, capsule, and functional food production
Raw material for fortified foods
Food Grade:
Dietary supplements and nutraceuticals
Functional beverages and fortified foods
Powdered supplements and chewables
6. Handling & Storage
Store in a cool, dry, ventilated area
Protect from moisture, heat, and direct sunlight
Use appropriate PPE during handling (gloves, mask)
Keep containers tightly closed
7. Shelf Life