Rhamnus bark extract
Production Method:Alcohol Extraction & Vacuum Drying
Active Ingredients: Anthraquinone Derivatives (Emodin, Aloe-emodin, etc.)
Specification: 10:1 (TLC)
Country of Origin: China
Testing Method: Thin-Layer Chromatography (TLC)
Net Weight: 25 kg
Appearance: Brown-yellow to brown fine powder; faint, characteristic odor; bitter taste
Solubility: Easily soluble in hot water; soluble in ethanol
Certifications: ISO9001, Kosher, Halal, FDA, GMP
Packaging: 25 kg/drum, 1 kg/aluminum foil bag
Delivery Terms: FOB, CIF, CFR, EXW, DAP, DDP
Shipping Methods: Express, Air Freight, Sea Freight
Payment Terms: Wire Transfer (T/T) Preferred
Availability: Ample stock; fast and secure shipping
OEM/ODM: Available
Minimum Order Quantity (MOQ): 1 kg
Available to Business Customers Only
- Free Samples
- Quality Assurance
- 24/7 Customer Service
Product Introduction
Rhamnus Bark Extract – Premium Botanical Ingredient from BioSpark
Welcome to BioSpark (Xi'an) Biotechnology Co., Ltd., your trusted source for high-quality Rhamnus bark extract. Our extract is manufactured using advanced alcohol extraction and vacuum drying technology, delivering a standardized 10:1 concentration verified by Thin-Layer Chromatography (TLC). Rich in anthraquinone derivatives including emodin and aloe-emodin, our product maintains total anthraquinone content ≥5%, ensuring consistent batch-to-batch quality.
The extricate shows up as a brown-yellow to brown fine powder with fabulous hot water solvency. Our GMP-certified office guarantees overwhelming metals, pesticide buildups, and microbial tallies stay inside secure limits, giving you with a solid fixing for your formulations.
Product Portrayal from the Supplier
We source our Rhamnus bark from carefully chosen botanical sources, fundamentally Rhamnus purshiana (Cascara Sagrada) and Rhamnus frangula (Birch Buckthorn). The crude fabric experiences thorough screening to ensure steady anthraquinone substance and controllable quality parameters.
Our present day extraction prepare jam the total range of dynamic compounds. These incorporate hydroxyanthracene subordinates, cascarosides A-D, emodin, chrysophanol, physcion, and advantageous flavonoids like quercetin and kaempferol. The spray-drying strategy keeps up generation productivity whereas defending the characteristic bioactive ingredients.
Unlike new bark that contains emetic anthrones, our appropriately matured and heat-processed extricate kills bothering compounds. This comes about in a gentler activity compared to Senna leaf, making it reasonable for long-term administration of constant obstruction and different gastrointestinal applications.

Why Choose BioSpark?
Advanced Extraction Technology
We utilize state-of-the-art liquor extraction strategies that accomplish predominant extraction proficiency. This guarantees total conservation of anthraquinone and flavonoid components, conveying you greatest bioactive esteem in each batch.
Rigorous Quality Standards
Our fabricating handle entirely follows to GMP guidelines all through generation. Each group experiences comprehensive testing for overwhelming metals, pesticide buildups, and microbial defilement, guaranteeing your items meet worldwide security requirements.
Consistent, Standardized Quality
We address the industry torment point of conflicting crude botanical powders. Our standardized extricate gives unsurprising, dosage-controlled execution, dispensing with mystery in your definition development.
Excellent Dissolvability Profile
The extricate shows extraordinary water dissolvability, especially in hot water. This makes it simple to consolidate into assorted details counting capsules, tablets, verbal fluids, teas, and useful beverages.
Comprehensive Back Services
From item concept to last conveyance, our experienced group gives end-to-end bolster. We offer adaptable OEM and ODM arrangements custom fitted to your particular commerce targets and showcase requirements.
Specification of Rhamnus bark extract
| Parameter | Specification |
|---|---|
| Latin Name | Rhamnus purshiana / Rhamnus frangula |
| Active Ingredients | Anthraquinone Derivatives (Emodin, Aloe-emodin, Chrysophanol, Physcion) |
| Extraction Ratio | 10:1 |
| Testing Method | Thin-Layer Chromatography (TLC) |
| Appearance | Brown-yellow to brown fine powder |
| Odor & Taste | Faint characteristic odor; bitter taste |
| Solubility | Easily soluble in hot water; soluble in ethanol |
| Production Method | Alcohol Extraction & Vacuum Drying |
| Net Weight | 25 kg/drum, 1 kg/aluminum foil bag |
| Country of Origin | China |
| MOQ | 1 kg |
| Shelf Life | 24 months when properly stored |
Certificate of Analysis (COA)
We provide comprehensive COA documentation with every shipment, including:
- Total anthraquinone content analysis
- Heavy metal testing (Pb, As, Cd, Hg)
- Pesticide residue screening
- Microbial testing (Total Plate Count, Yeast & Mold, E. coli, Salmonella)
- Moisture content and ash value
- Particle size distribution
COA documents are available upon request and accompany all commercial shipments.
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Product Name:
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Rhamnus bark extract
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Latin Name:
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Rhamnus davurica Bark Extract
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Batch Quantity :
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1000Kg
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BatchNumber :
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GH2026010713
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Mfg Date :
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01,07,2026
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Exp Date :
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01,06,2028
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Analysis Item
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Specification
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Result
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Method
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Specification
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Proportion
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Conforms
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TLC
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Chemical Physical Control
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Appearance
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Fine powder
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Conforms
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Sensory
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Color
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Brownishyellow to brown
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Conforms
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Vis ua
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Odor
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Characteristic
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Conforms
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Gustatory
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Sieve Analysis
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100% pass 80 mesh
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Conforms
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CP2020
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Loss on Drying
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≤5%
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4.23%
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GB/T5009.3
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Residue On Ignition
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≤4.5%
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4.18%
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GB/T5009.4
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Heavy Metals
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≤10ppm
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Conforms
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AAS
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Arsenic (As)
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≤ 2ppm
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Conforms
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AAS(GB/T5009.11)
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Lead (Pb)
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≤ 2ppm
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Conforms
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AAS(GB/T5009.12)
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Cadmium (Cd)
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≤ 2ppm
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Conforms
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AAS(GB/T5009.15)
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Mercury (Hg)
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≤0.1ppm
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Conforms
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AAS(GB/T5009.17)
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Microbiology Control
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Total Plate Count
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<10000cfu/g
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Conforms
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GB/T4789.2
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Yeast & Mold
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<1000cfu/g
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Conforms
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GB/T4789.15
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E. Coli
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Negative
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Negative
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GB/T4789.3
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Salmonella
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Negative
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Negative
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GB/T4789.4
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Staphylococci n
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Negative
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Negative
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GB/T4789 . 10
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Parking
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Packed In Paper-drums and two plastic-bags inside. Net Weight : 25kgs/drum.
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Storage
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Store in cool & dry place. Do not freeze . Keep away from str ong light and heat .
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Shelf life
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2 years when properly stored.
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Certificates
BioSpark holds multiple international certifications demonstrating our commitment to quality:
- ISO 9001: Quality Management System Certification
- GMP: Good Manufacturing Practice Certification
- FDA: Compliant manufacturing facility
- Halal: Certified for Islamic dietary requirements
- Kosher: Certified for Jewish dietary laws
These certifications ensure our Rhamnus bark extract meets diverse regulatory requirements across global markets.

Benefits
Promotes Healthy Bowel Function
The anthraquinone glycosides experience intestinal vegetation hydrolysis to abdicate free anthraquinones. These compounds invigorate the intestinal mucosa and advance peristalsis, giving successful help for inveterate, periodic, and age-related constipation.
Gentle However Maintained Action
Unlike harsher purgatives, our extricate acts delicately on the stomach related framework. The legitimately prepared bark kills bothering compounds, making it appropriate for maintained utilize in overseeing progressing stomach related wellbeing concerns.
Anti-Inflammatory Properties
The extricate represses the discharge of fiery go betweens and constricts intestinal incendiary reactions. This makes it profitable as aide treatment for hemorrhoids, butt-centric crevices, and other incendiary bowel conditions.
Antimicrobial Activity
Demonstrates inhibitory impacts against common pathogens counting Staphylococcus aureus, Streptococcus species, and Escherichia coli. This contributes to by and large intestinal wellbeing and microbiome balance.
Choleretic Action
Promotes bile discharge, supporting stomach related work and serving as an aide treatment for cholecystitis and gallstone management.
Application Areas
Intestinal Wellbeing Products
Your definitions for purgative capsules, tablets, verbal fluids, granules, and wellness teas advantage from our standardized extricate. The unsurprising anthraquinone substance guarantees reliable restorative outcomes.
Bowel Arrangement Solutions
Medical experts utilize our extricate in pre-operative bowel planning and pre-colonoscopy cleansing specialists. The controlled dose permits exact organization for clinical procedures.
Hemorrhoid Administration Formulations
The anti-inflammatory and purgative properties make this extricate perfect for items focusing on hemorrhoid-related obstruction, irritation, and discomfort.
Weight Administration Supplements
Incorporated into detoxification and weight lessening supplements, the extricate bolsters sound disposal as portion of comprehensive wellness programs.
Compound Conventional Formulations
Serves as a key crude fabric for conventional medication arrangements, counting compound purgative granules and restorative blends.
Functional Nourishment & Beverage
Perfect for detoxifying wellness teas, powdered refreshments, and utilitarian nourishment items focusing on stomach related wellbeing and tender cleansing.

Quality Control
Quality control begins at raw material selection and continues through every production stage. Our QC laboratory performs:
- Incoming raw material identity verification and potency testing
- In-process monitoring of extraction parameters and active compound levels
- Finished product comprehensive analysis including stability testing
- Microbial contamination screening using validated methods
- Heavy metal and pesticide residue testing per international standards
We maintain complete traceability from source botanical to finished extract, ensuring you receive products that meet your exact specifications every time.
R&D Results
Our research and development team continuously optimizes extraction processes to enhance yield and preserve bioactive compounds. Recent improvements include:
- Enhanced extraction efficiency achieving 15% higher anthraquinone recovery
- Refined spray-drying parameters that maintain flavonoid integrity
- Validated analytical methods for rapid quality verification
- Stability studies confirming 24-month shelf life under proper storage conditions
These innovations ensure you receive cutting-edge Rhamnus bark extract botanical ingredients backed by solid scientific research.

Packaging and Transportation
Packaging Options
Standard: 25 kg/fiber drum with twofold food-grade plastic packs inside
Small amount: 1 kg/aluminum thwart bag
Delivery Terms
FOB, CIF, CFR, EXW, DAP, DDP – adaptable terms to suit your coordinations preferences
Shipping Methods
- Express shipping (DHL, FedEx, UPS) for urgent small orders
- Air freight for medium quantities requiring faster delivery
- Sea freight for bulk orders offering cost-effective transportation
Storage Recommendations
Store in a cool, dry place away from direct sunlight. Keep containers tightly sealed when not in use. Proper storage maintains product quality throughout the shelf life.

After-Sales Service
Your satisfaction drives our business. We provide comprehensive after-sales support including:
- Technical consultation for formulation development
- Regulatory documentation assistance for your market requirements
- Prompt response to quality inquiries or concerns
- Flexible reorder arrangements with consistent product specifications
- Market intelligence and product application insights
Our team remains available to support your business growth long after your initial purchase.

FAQ
Q: What is the minimum order quantity for the product?
A: Our MOQ is fair 1 kg, making it simple for you to test the item quality some time recently putting bigger orders.
Q: How long does shipping ordinarily take?
A: Express shipping takes 3-7 trade days, discuss cargo 5-10 days, and ocean cargo 20-35 days depending on destination.
Q: Can you give samples?
A: Yes, we offer tests for quality assessment. Contact us to talk about your examining requirements.
Q: Is this extricate appropriate for long-term use?
A: Whereas gentler than numerous choices, anthraquinone-containing items ought to be utilized concurring to prescribed rules. Counsel with healthcare experts for expanded utilize protocols.
Q: Do you offer custom specifications?
A: Completely. Our OEM and ODM administrations permit detail customization counting concentration proportions, bundling sizes, and private labeling.
Q: What documentation do you give with shipments?
A: We supply COA, certificates of compliance, MSDS, and any extra documentation required for traditions clearance in your region.
Q: How do you guarantee batch-to-batch consistency?
A: Standardized extraction conventions, approved explanatory testing, and comprehensive quality control methods guarantee each group meets indistinguishable determinations.
Contact Us
Ready to enhance your product line with premium Rhamnus bark extract? Reach out to our team today for quotations, technical support, or partnership opportunities. Email: sales@biosparkcn.com
Send Inquiry
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