Konjac Extract
Introduction
Konjac Extract is obtained from the tubers of Amorphophallus konjac, a perennial plant native to Asia and widely cultivated in China and Japan. For centuries, konjac has been valued in traditional Asian diets as both a health food and a culinary ingredient, used to make konjac noodles, jellies, and functional foods.
The extract is standardized to glucomannan, a natural water-soluble dietary fiber known for its strong swelling and gelling properties. Glucomannan absorbs water and expands in the stomach, which promotes satiety, helps reduce calorie intake, and supports weight management. It also contributes to maintaining healthy blood sugar and cholesterol levels by slowing carbohydrate absorption and binding bile acids.
Commercial production involves careful cleaning, drying, and milling of konjac tubers, followed by extraction and purification to achieve high glucomannan concentration. The resulting extract is a fine white to off-white powder, highly water-soluble, and stable under proper storage. It is widely used in nutraceuticals, weight management products, functional foods, and dietary fiber supplements.
Typical Specifications
|
Item |
Specification |
|
Assay (Glucomannan, HPLC) |
90% |
|
Appearance |
White to off-white fine powder |
|
Identification |
HPLC/UV spectrum consistent with reference |
|
Loss on Drying |
≤8.0% |
|
Residue on Ignition |
≤1.0% |
|
Heavy Metals |
≤10 ppm |
|
Arsenic (As) |
≤1 ppm |
|
Lead (Pb) |
≤1 ppm |
|
Cadmium (Cd) |
≤1 ppm |
|
Mercury (Hg) |
≤0.1 ppm |
|
Microbiology |
TPC ≤1,000 cfu/g; Yeast & Mold ≤100 cfu/g; E. coli / Salmonella: Negative |
|
Solubility |
Freely soluble in water, forms viscous solution |
|
Packaging |
25 kg fiber drum with inner PE liner |
|
Storage |
Store in a cool, dry place; protect from light and moisture |
Benefits
✓ Rich natural source of dietary fiber (glucomannan)
✓ Promotes satiety and supports weight management
✓ Helps regulate blood sugar and cholesterol levels
✓ Supports digestive health and bowel regularity
Applications
✓ Weight management supplements (capsules, powders, meal replacements)
✓ Functional foods and beverages (konjac noodles, fiber-enriched foods)
✓ Dietary fiber supplements
✓ Nutraceutical and health blends
Product Processing












