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White Kidney Bean Extract
Plant Extract

White Kidney Bean Extract

White kidney bean extract is a natural bioactive component derived from ​Phaseolus vulgaris​ (Fabaceae family), primarily containing ​α-amylase inhibitors (Phaseolamin) and dietary fiber. Recognized as a leading "carb blocker," its starch-digestion-inhibiting, blood sugar-regulating, and weight-management effects have been validated by 30+ clinical studies, making it a popular ingredient in functional foods and weight-loss supplements.

Product Name: White kidney bean extract

Appearance: White or off -white powder or granular

Standard Packing: 25kg/drum

Solubility: Dissolve in water and ethanol

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    White kidney bean extract

    Basic information

    Product Name: White kidney bean extract

    Appearance: White or off -white powder or granular

    Standard Packing: 25kg/drum

    Solubility: Dissolve in water and ethanol

    Source & Botanical Characteristics:

    ● Scientific Name: Phaseolus vulgaris L

    ● Aliases: Snow bean, Cannellini bean (distinct from common green beans)

    ● Medicinal Parts: Mature seeds (cream-white varieties have highest activity)

    ● Distribution: Yunnan/Guizhou (China), Andean Mountains (Americas)

    ● Key Features:

    Seeds ~1.5cm diameter, smooth ivory-white surface
    Requires high-temperature cooking to deactivate natural toxins (lectins)
    Standard: CP2020,JP,Customer Made

    Core Active Components

    1. Characteristic Compounds​

    ​Category​

    ​Representative Compounds​

    ​Content Range​

    ​Biological Activity​

    ​Proteins​

    α-Amylase Inhibitor (α-AI)

    0.5-2.0%

    Carbohydrate digestion inhibition

    Phytohemagglutinin (PHA)

    0.3-1.5%

    Immunomodulation (T-cell activation)

    ​Polysaccharides​

    Phaseolus Vulgaris Polysaccharide (PVP)

    5-15%

    Gut microbiota modulation (probiotic promotion)

    ​Flavonoids​

    Quercetin

    0.1-0.5%

    Antioxidant (free radical scavenging)

    ​Minerals​

    Chromium

    10-30 ppm

    Insulin sensitivity enhancement

    2. Synergistic Effects:

    ● α-AI + Chromium: 50% reduction in postprandial glucose spikes

    ● PVP + Dietary fiber: Extends satiety duration by 3 hours

    Product Advantages

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    High Purity

    Advanced extraction ensures :White kidney bean extract  content for maximum efficacy.
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    100% Natural

    No artificial additives, non-GMO, safe for long-term use.
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    Compliant with standards

    The pesticide residue, Heavy metals and PAHs etc of products meet up with EU standard.
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    Stable supplying

    We can treat raw materials with capacity of 5000tons per year.
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    Quality ensured

    We test each batch with assay, loss on drying, total ash, heavy metals, bacterium and provide report from third party.
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     Versatile Applications

    Suitable for supplements, skincare, and functional foods.

    Application Fields Green max

    1. Pharmaceutical Sector:
    ● Glycemic Control: Combined with acarbose (reduces flatulence)
    ● Weight Loss: Alternative to orlistat (no oily stool side effect)

    2. Functional Foods:
    ● Starch Blocker: Chewable tablets (1,500 IU α-AI/tablet)
    ● Meal Replacement: With konjac flour (↓40% calorie absorption)

    3. Feed Additives:
    ● Livestock feed: Reduces GI of grain feed (↓15% backfat thickness in pigs)

    White kidney bean

    Future R&D Directions​

    1. Structural Modification:
    ● PEGylated α-AI (extends gastrointestinal residence time)

    2. Delivery Systems:
    ● Gastric-retentive microspheres (6-hour sustained release)

    3. New Functions:
    ● NAFLD: Preclinical shows 40% liver fat reduction

    Safety Profile​

    1. Toxicology:
    ● Acute Toxicity: LD50 >10g/kg (practically non-toxic)
    ● Allergenicity: ELISA tested (<0.001% allergen content)

    2. Contraindications:
    ● Caution in chronic pancreatitis (may increase pancreatic load)
    ● Raw beans toxic (contain saponins and lectins)

    Usage Guidelines​

    1. Recommended Dosage​

    ​Purpose​

    Single Dose

    Timing

    Synergistic Combinations

    Postprandial Glucose

    500 mg

    30min pre-meal

    Chromium picolinate 200μg

    Weight Management

    300 mg

    3× daily with meals

    Garcinia cambogia 500mg

    Gut Health

    200 mg

    Morning fasting

    Probiotics 1×10⁹ CFU

    2. Precautions:

    ● Avoid with digestive enzymes (reduces efficacy)

    ● Max daily intake 2,000mg

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