Rhubarb Extract (Rhei Radix) is a botanical extract derived from Rheum palmatum root, standardized to Emodin+Rhein. With CAS registry number 518-82-1, this ingredient belongs to the Chinese TCM & Medicinal-Food Dual-Use category of weight management actives. Emodin+rhein provide laxative + lipid-lowering. TCM: purge heat, clear intestines, cool blood, detoxify. More potent than cassia seed. Short-term use only. As a B2B manufacturer, Shaanxi Baisifu Biological Engineering Co., Ltd. supplies Rhubarb Extract (Rhei Radix) in bulk quantities with full Certificate of Analysis (COA), ensuring consistent Emodin+Rhein content and regulatory compliance for dietary supplement, functional food, and nutraceutical applications.
Standard specifications for Rhubarb Extract (Rhei Radix) bulk supply from Baisifu:
Emodin+rhein provide laxative + lipid-lowering. TCM: purge heat, clear intestines, cool blood, detoxify. More potent than cassia seed. Short-term use only.
Level III. TCM tradition very strong. Modern research confirms laxative+lipid-lowering. Short-term detoxification positioning.
⚠Strong laxative — short-term use only (≤2 weeks). Anthraquinone safety concerns same as cassia seed but more potent. Not for chronic use, pregnant women, or GI inflammation.
Shaanxi Baisifu Biological Engineering Co., Ltd. manufactures and supplies Rhubarb Extract (Rhei Radix) (CAS 518-82-1) in bulk quantities for: • Dietary supplement manufacturers (capsules, softgels, tablets, powders)
• Functional food & beverage producers
• Nutraceutical brands seeking Emodin+Rhein standardized ingredient
• Cosmetics companies (anti-cellulite, metabolic support topical) Each batch includes full Certificate of Analysis (COA) with:
• Emodin+Rhein content verification (HPLC/UV)
• Heavy metals, microbial, moisture compliance
• Pesticide residue testing (where applicable)
• Stability data and shelf life confirmation Available forms: powder extract, oil-based softgel fill, microencapsulated powder
Minimum order: 1 kg (sample quantities available)
Lead time: 7–15 business days
Packaging: 25 kg/drum, double-layer PE bag + fiber drum, nitrogen flush available
Q1: How does Rhubarb compare to Cassia Seed?
Same active compounds (emodin/rhein) but rhubarb is more potent. Rhubarb for short-term detox (≤2 weeks), cassia seed for milder longer-term use (≤3 months). Both have anthraquinone safety considerations.
For complementary weight management formulations, consider combining Rhubarb Extract (Rhei Radix) with: Cassia Seed Extract, Lotus Leaf Extract, Berberine, Alisma Extract. Multi-ingredient stacks targeting different mechanisms (lipase inhibition, AMPK activation, thermogenesis, appetite suppression) produce synergistic effects superior to single-ingredient products.
About Baisifu: Shaanxi Baisifu Biological Engineering Co., Ltd. (No.69, Jinye Road, Xi'an, 710065, Shaanxi, China | Tel: 0086-29-81110978) is a GMP/ISO-certified manufacturer of botanical extracts, food flavors, amino acids, peptides, and biopesticides with 1,000+ products exported to US/EU B2B markets.
Disclaimer: This content is for informational and B2B product development purposes only. Rhubarb Extract (Rhei Radix) (CAS 518-82-1) is a raw ingredient for dietary supplement and functional food formulation, not a finished consumer product. Claims cited are from published research and regulatory approvals — they do not constitute medical advice or guarantee specific outcomes. Consult regulatory experts for target market compliance.
| Parameter | Specification |
|---|---|
| Emodin | ≥1% |
| Rhein | ≥0.5% |
| Total Anthraquinones | ≥2% |
| Appearance | Dark brown powder |
| Solubility | Partially water/ethanol-soluble |
| Particle Size | 80 mesh |
| Moisture | ≤5% |
| Heavy Metals | ≤10 ppm |
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