Black Soybean Hull Extract
Botanical Source: Glycine max (L.).Merr.
Appearance: Fine Dark Violet Red Powder
Plant Part Used:Seed Coat
Specification:1%-25%Anthocyanidins; 5%-10% Anthocyanins
Test Method: UV
Certifications: ISO9001, FSSC22000, KOSHER, HALAL, HACCP, FDA
Packing Size: 25kg/drum
Transportation: Courier, Air, Ocean
MOQ: sample and small kgs trial order available, commercial order MOQ 25kg
Delivery: Ready stock, Prompt shipment
- Free Samples
- Quality Assurance
- 24/7 Customer Service
Product Introduction
Black Soybean Hull Extract – High-Purity Natural Anthocyanin Ingredient
Kingherbs Limited supplies Black Soybean Hull Extract standardized to 5%–25% Anthocyanidins (essentially Cyanidin-3-Glucoside) by means of UV testing. Extracted from the seed coat of Glycine max (L.) Merr., this extract conveys extraordinary warm soundness and antioxidant capacity (ORAC >15,000 µmol TE/g). With a water dissolvability rate surpassing 98% and pH-dependent color execution (steady at pH ≤3.5), it serves as a cost-effective elective to bilberry extract in vision back and useful refreshments. Our extraction prepare employments as it were decontaminated water or food-grade ethanol, guaranteeing zero dissolvable buildup. Each bunch incorporates HPLC chromatograms and full traceability from controlled development bases. Generation capacity bolsters both 1kg trial orders and commercial volumes with 3–5 day dispatch.
What is Black Soybean Hull Extract?
This botanical fixing comes from the external layer of dark soybeans. It contains concentrated levels of C3G anthocyanins.
Unlike engineered colorants, this extract gives both pigmentation and bioactive properties. The profound violet-red appearance reflects its wealthy anthocyanin content.
You get a clean-label fixing that addresses numerous detailing needs. It works as a normal antioxidant, metabolic back compound, and food-grade colorant in one ingredient.
The extraction keeps up the astuteness of heat-sensitive anthocyanins. This guarantees reliable execution over distinctive applications.

Black Soybean Hull Extract – Certificate of Analysis (COA)
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Product Name
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Black Soybean Hull Extract
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Batch Number
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Botanical Source
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Glycine max (L.).Merr.
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Batch Quantity
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700kgs
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Plant Part Used
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Seed Coat,100% Natural
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Country of Origin
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China
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Type of Products
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Standard Extract
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Active Ingredient Markers
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Anthocyaninins
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Analysis Items
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Specifications
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Results
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Methods used
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Appearance
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Fine Dark Violet Red Powder
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Conforms
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Visual test
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Odor & Taste
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Characteristic
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Conforms
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Organoleptic test
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Bulk Density
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45-65g/100ml
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Conforms
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ASTM D1895B
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Particle Size
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NLT 99% through 80 mesh
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Conforms
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AOAC 973.03
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Assay
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NLT 10% Anthocyaninins
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10.41%
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UV
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Loss on Drying
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NMT 5.0%
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3.58%
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GB5009.3
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Ash
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NMT 5.0%
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3.12%
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GB5009.4
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Extract Solvents
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Ethanol &Water
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Conforms
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/
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Heavy Metals
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NMT 10ppm
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Conforms
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ICP-MS
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Arsenic (As)
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NMT 1ppm
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Conforms
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ICP-MS
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Lead (Pb)
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NMT 1ppm
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Conforms
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ICP-MS
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Cadmium (Cd)
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NMT 1ppm
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Conforms
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ICP-MS
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Mercury(Hg)
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NMT 0.1ppm
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Conforms
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ICP-MS
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Microbiological Data
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Total Plate Count<1,000cfu/g
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Conforms
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GB 4789.2
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Total Yeast & Mold<1,00cfu/g
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Conforms
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GB 4789.15
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E. Coli to be negative
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Negative
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GB 4789.3
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Staphylococcus to be negative
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Negative
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GB 4789.4
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Salmonella to be absent
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Absent
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GB 4789.10
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Packing and Storage
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Packed in Carton, LDPE bag inside. Net weight: 25kgs/Carton.
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Keep well sealed, away from moisture, strong heat and sunlight.
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Shelf Life
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2 years if sealed and stored in the recommended conditions.
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Each bunch ships with point by point COA, allergen articulations, pesticide buildup reports, and MSDS.
Black Soybean Hull Extract Benefits
Supports Visual Function
C3G anthocyanins progress retinal blood stream and offer assistance diminish eye weariness. Clinical trials appear viability at 50–200mg day by day intake.
High Antioxidant Capacity
The ORAC esteem surpasses numerous berry extracts. This makes a difference neutralize free radicals in numerous organic systems.
Metabolic Wellbeing Support
Research shows C3G may progress affront affectability. This makes it profitable for glycemic control formulations.
Natural Shade Source
You get a clean-label elective to manufactured nourishment colors. The color escalated remains steady beneath acidic conditions.
Collagen Protection
In nutricosmetic applications, it makes a difference secure skin collagen from UV-induced oxidative harm.

Black Soybean Hull Extract Applications
Dietary Supplements
Define capsules and tablets for eye wellbeing, antioxidant back, and metabolic wellness. The Black Soybean Hull Extract mixes effortlessly with other botanicals and appears fabulous solidness in encapsulation.
Functional Beverages
Add normal violet tint and antioxidant benefits to RTD drinks. Works best in acidic definitions (pH ≤3) such as berry drinks, sports refreshments, and improved waters.
Natural Nourishment Colorants
Achieve purplish-red to dim blue tones depending on pH levels. Appropriate for confectionery, dairy choices, and heated products where common color is required.
Nutricosmetics
Integrate into beauty-from-within items. The extract gives skin-protective benefits through verbal utilization, supporting collagen wellbeing and UV defense.
Premix Formulations
We can mix this extract with complementary fixings like lutein, zeaxanthin, or other cancer prevention agents to make custom useful premixes for your particular item needs.

Certifications & Quality Standards
Kingherbs keeps up comprehensive certification scope to meet worldwide showcase requirements:
• ISO9001 Quality Management System Certificate
• FSSC22000 Food Safety System Certificate
• HACCP System Certificate
• HALAL Certification
• KOF-K Certification
• FDA Registration
• Part of Hunan Botanical Extract Association (HNBEA)

We're a board part of the Hunan Botanical Extract Affiliation (HNBEA). Our generation takes after USP, EP, BP, and CP measures depending on your advertise requirements.
All fabricating happens in GMP-compliant offices with full clump documentation and traceability back to source ranches.
Frequently Asked Questions
Q:What is the active ingredient and typical specification of the product?
A:The main active ingredient is Anthocyanidins (specifically Cyanidin-3-Glucoside). We offer standard specifications of 5%, 10%, 15%, 20%, and 25% Anthocyanidins, tested by UV. Proanthocyanidins (5%-70%) are also available.
Q:What are the main applications for this extract?
A:It's widely used in eye health supplements (for visual fatigue and focal adjustment), antioxidant formulations, functional beverages, and as a natural food colorant (purplish-red to dark blue depending on pH).
Q:What documentation and certificates can you provide?
A:We provide full documentation including COA (Certificate of Analysis), MSDS, allergen statements, and heavy metal/pesticide residue reports. Certifications available: GMP, ISO 9001, Kosher, and Halal.
Q:Is the extract stable for use in beverages?
A:Yes, but stability is pH-dependent. It remains stable under acidic conditions (pH ≤3). At higher pH, color may shift. We recommend acidic formulations for optimal stability in functional drinks.
Q:Is this extract soy-allergen-free?
A:While derived from the hull, it may contain trace soy proteins. Allergen labeling is generally required unless specific protein-removal filtration is employed. We can provide detailed allergen testing upon request.
Q:Can it replace bilberry extract in formulations?
A:Yes, in many vision support and antioxidant applications, it provides a similar anthocyanin profile at a more competitive price point with comparable bioactivity.
Packaging & Transportation
Standard Packaging:
- 25kg/fiber drum with double food-grade PE bags inside
- Custom packaging available for different order sizes
Storage Conditions:
- Store in cool, dark, and dry environment
- Keep containers tightly sealed
- Optimal temperature: below 25°C
- Protect from light and moisture
Transportation Options:
- Courier: For samples and small orders (1–10kg)
- Air Freight: For urgent orders (10–500kg)
- Ocean Freight: For bulk commercial orders (500kg+)
Delivery Time:
- Ready stock items: 3–5 business days
- Custom specifications: 10–15 business days
We work with proficient worldwide coordinations accomplices to guarantee secure conveyance around the world. All shipments incorporate appropriate documentation for traditions clearance.

Why Choose Kingherbs Limited?
27 A long time of Industry Experience
Since 1996, we've built profound ability in botanical extraction. You advantage from decades of specialized refinement and quality control.
Full Supply Chain Control
We collaborate straightforwardly with development bases. This guarantees reliable crude fabric quality from seed choice through collect timing.
Pure Extraction Technology
Our handle employments as it were water or food-grade ethanol. You get clean extracts with no destructive dissolvable residues.
Fast Test Service
Small trial orders dispatch inside 3–5 days. You can test our quality some time recently committing to bigger volumes.
Technical Definition Support
Our application research facility makes a difference optimize your definitions. We give solidness testing, mix customization, and wrapped up item development.
Flexible Ordering
We bolster trial orders as little as 1kg. MOQ for commercial orders is fair 25kg, lower than numerous suppliers.
One-Stop Sourcing
Beyond botanical extracts, we supply vitamins, minerals, amino acids, and can give premix administrations, capsule filling, and wrapped up item manufacturing.
Transparent Quality Documentation
Every group incorporates clear HPLC chromatograms appearing dynamic compound profiles. You get total traceability and testing information.

Warehouse & Shipping

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Contact Us
Ready to enhance your formulations with high-quality natural anthocyanins from Black Soybean Hull Extract? Reach out to our technical team at info@kingherbs.com for samples, specifications, or formulation support.
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