Product Name: Lucomannan
CAS Number: 37220-17-0
Molecular Formula: (C₆H₁₀O₅)ₙ
Molecular Weight: Variable
Synonyms: Konjac Glucomannan, Konjac Fiber
1. Product Description
Lucomannan is a water-soluble polysaccharide extracted from the tuber of Amorphophallus konjac. It is widely used as a dietary fiber, thickening agent, and functional food ingredient. The product is available in food-grade and industrial-grade forms.
2. Specifications
| Index | Food Grade | Industrial Grade |
|---|
| Appearance | Off-white to light yellow powder | Off-white to yellow powder |
| Odor & Taste | Characteristic, mild odor, bland taste | Characteristic odor, bland taste |
| Mesh Size | 80–120 mesh | 40–100 mesh |
| Moisture | ≤ 12% | ≤ 14% |
| Ash | ≤ 2% | ≤ 5% |
| Assay (Glucomannan Content) | ≥ 95% | ≥ 90% |
| Heavy Metals | ≤ 10 ppm | ≤ 20 ppm |
| Lead (Pb) | ≤ 2 ppm | ≤ 5 ppm |
| Arsenic (As) | ≤ 1 ppm | ≤ 3 ppm |
| Cadmium (Cd) | ≤ 1 ppm | ≤ 2 ppm |
| Mercury (Hg) | ≤ 0.1 ppm | ≤ 0.5 ppm |
| Total Plate Count | ≤ 1000 CFU/g | ≤ 5000 CFU/g |
| Yeast & Mold | ≤ 100 CFU/g | ≤ 500 CFU/g |
| E. coli | Negative | Negative |
| Salmonella | Negative | Negative |
3. Applications / Uses
Food Grade:
Dietary supplements, functional foods, and fiber-enriched products
Weight management and low-calorie formulations
Thickening, gelling, and stabilizing agent in beverages and food
Industrial Grade:
Pharmaceutical raw material and excipient
Food processing and industrial applications
Research and laboratory use
4. Packaging & Storage
| Grade | Packaging | Storage Conditions |
|---|
| Food Grade | 25 kg/drum, double PE bag inside | Store in a cool, dry, well-ventilated area; protect from moisture and sunlight |
| Industrial Grade | 25–50 kg/drum, paper drum with liner | Store in a cool, dry place, away from oxidizing agents |
5. Shelf Life
24 months when stored properly in original sealed packaging.
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