Description
The standardized extract of White Kidney Bean (Phaseolus vulgaris), containing phaseolamin (an alpha-amylase inhibitor) as the principal active. Used in carbohydrate-blocker and weight-management dietary supplements as a clinically-supported starch-absorption-inhibition ingredient.
Off-white to light yellow free-flowing powder. Highly water-soluble.
We supply food-grade White Kidney Bean Extract from manufacturers in China holding ISO, Halal, Kosher and other certifications relevant to the product and production.
Common market grades include White Kidney Bean Extract 1 percent Phaseolamin (cost-effective baseline), 2 percent Phaseolamin (standard supplement grade), 3 percent Phaseolamin (premium grade), and Phase 2-Equivalent Grade (the patent-positioned premium grade with defined alpha-amylase inhibitor units per milligram).
Bulk and reduced-MOQ shipments. Batch-level COA covering phaseolamin content (HPLC), alpha-amylase inhibitor activity (declared in AAIU per mg), residual phytohaemagglutinin (a quality-safety indicator), residual solvents, heavy metals, and microbiology.
Introduction
White Kidney Bean Extract reached commercial prominence in the late 1990s following clinical research demonstrating alpha-amylase inhibitor activity that reduces starch digestion and absorption. The compound class includes phaseolamin and related polypeptide alpha-amylase inhibitors that selectively bind to and inhibit pancreatic alpha-amylase, the principal starch-digesting enzyme.
Industrial production proceeds by hot-water extraction of dried white kidney beans, followed by ultrafiltration to retain the alpha-amylase inhibitor protein fraction (typically 30 to 50 kDa molecular weight range), removal of phytohaemagglutinin and other antinutritional factors through controlled heating, and spray-drying to defined phaseolamin content and alpha-amylase inhibitor activity.
Recognized as a permitted food ingredient by the U.S. FDA, the European Food Safety Authority, and equivalent regulators worldwide. The Phase 2 brand from Pharmachem Laboratories has the most robust commercial clinical evidence base.
Clinical evidence supports modest weight-loss benefits at appropriate doses (typically 1000 to 1500 mg of standardized extract per meal containing significant starch), positioning the ingredient among the more rigorously-supported botanical weight-management actives. Effects are dependent on co-administration with starch-containing meals.
Strategic positioning targets the weight-management and carbohydrate-blocker dietary supplement segments, with premium positioning available through the Phase 2-equivalent grade specifications.
Where it is used
- Weight-management dietary supplements: carbohydrate-blocker positioning (the dominant commercial application)
- Starch-absorption-inhibition supplements for use with high-carbohydrate meals
- Blood-sugar-management supplements positioned for post-prandial glucose support
- Combination metabolic formulas with green tea, garcinia, and chromium
- Pre-meal supplement formulations and bars
- Functional beverages: pre-meal wellness shots
- Premium pet supplements for weight management in obese animals
Technical data
| Item | Specification |
|---|---|
| Appearance | Off-white to light yellow free-flowing powder |
| Phaseolamin content (HPLC) | 1% / 2% / 3% (grade dependent) |
| Alpha-amylase inhibitor activity | declared in AAIU per mg per grade |
| Residual phytohaemagglutinin | ≤ 200 HAU/mg |
| Loss on drying | ≤ 6.0% |
| Heavy metals (as Pb) | ≤ 2 mg/kg |
| Total plate count | ≤ 1000 cfu/g |
| Source | Phaseolus vulgaris dried white beans |
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