What is TNJONE White Kidney Bean Extract Powder?
White Kidney Bean Extract Powder is a white to cream-yellow homogeneous powder known for its high biological safety and strong physiological activity.White Kidney Bean Extract Powde gained significant attention in 1945 when Bowman discovered the presence of α-amylase inhibitor (α-AI) in white kidney beans. Since then, numerous studies have explored its potential, particularly in the health food industry.
Compared to other beans, White Kidney Bean Extract Powde contain a higher concentration of α-amylase inhibitor, and research has shown that the extract from white kidney beans exhibits a stronger inhibitory effect on mammalian pancreatic α-amylase. This makes it a valuable ingredient in weight management and blood sugar regulation products.

Key Features Of White Kidney Bean Extract Powder :
100% Pure White Kidney Bean Extract Powder
Sourced from high-quality white kidney beans for maximum potency.
Fine, Consistent Texture
The powder has excellent solubility and dispersibility, making it easy to incorporate into various formulations.
Naturally Gluten-Free and Vegan
Suitable for those with dietary restrictions, providing a natural, plant-based ingredient.
Clean and pure, with no unnecessary additives.
Non-GMO
Made from genetically unmodified ingredients, ensuring quality and safety.
Test Report of White Kidney Bean Extract Powder

Extraction & Manufacturing Process
Key Active Components
Primary Active Ingredient
Alpha-amylase inhibitor (Phaseolamin)
This is a naturally occurring protein that interacts with carbohydrate-digesting enzymes.
Other Natural Constituents
Plant proteins
Dietary fiber traces
Polyphenols
Complex carbohydrates
Typical Standardization
1% – 5% Phaseolamin (common commercial range)
Activity often expressed in alpha-amylase inhibitory units
Physiological Consequences
- Reduced Carbohydrate Absorption: A portion of the ingested starch passes through the small intestine undigested, resulting in reduced caloric intake from starchy foods (e.g., bread, pasta, rice, potatoes).
- Moderated Postprandial Glycemic Response: By slowing the rate of starch-to-glucose conversion, it helps flatten the post-meal blood sugar and insulin spikes.
- Fiber-like Effect: The undigested starch reaches the colon, where it can act as a fermentable fiber for gut microbiota, potentially offering prebiotic benefits (though this also causes the main side effect of gas).
What TNJONE Can Do ?
Plant Raw Materials
TNJONE uses high-quality leguminous plant kidney beans (specifically white kidney bean seeds) as the primary raw material.
Processing
Our process involves multiple steps to ensure product quality:
Raw Material → Crushing → Water Extraction → Separation → Drying → Product
Each stage is carefully controlled to preserve the active compounds and maximize effectiveness.
Microencapsulation Technology
We employ advanced microencapsulation techniques to ensure the stability and controlled release of active ingredients:
Premixing → Granulation → Sterilization → Drying → Sieving → Mixing → Packaging,This technology enhances bioavailability and shelf-life.
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