Guilin Sanleng Biotech Co., Ltd.（桂林三棱生物科技有限公司）is a high-tech enterprise based in Guilin, China, specializing in the extraction and development of natural botanical ingredients for use in dietary supplements, food, cosmetics, and pharmaceuticals. With a core commitment to quality, traceability, and innovation, the company has built a strong reputation as a reliable supplier of high-purity plant-based active compounds to global markets.
Company Background
Founded in the renowned herbal region of Guangxi province, Guilin Sanleng Biotech leverages the rich biodiversity of Southern China to source and manufacture bioactive compounds. The company integrates traditional Chinese medicinal knowledge with modern extraction technologies to produce standardized botanical ingredients with high potency and safety profiles.
Over the years, Sanleng Biotech has become a trusted OEM and ODM partner for nutraceutical brands, functional food manufacturers, and ingredient distributors worldwide.
Core Business and Specialization
Sanleng Biotech focuses on the development, manufacturing, and export of plant extracts, particularly those rich in flavonoids, terpenoids, and glycosides. The company specializes in:
- Natural sweeteners and sugar alternatives
- Antioxidant-rich plant extracts
- High-purity monomers for pharmaceutical R&D
- Traditional Chinese Medicine (TCM) based compounds
A significant part of the company’s product line includes compounds extracted from monk fruit, citrus fruits, persimmon leaves, Ginkgo biloba, and Thunder God Vine (Tripterygium wilfordii).
Product Portfolio
Sanleng’s flagship products include:
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Natural Sweeteners:
- Monk Fruit Extract (Mogroside-V) – A zero-calorie natural sweetener up to 250x sweeter than sucrose.
- Neohesperidin Dihydrochalcone (NHDC) – A citrus-derived sweetener used widely in functional foods.
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High-Value Plant Extracts:
- Persimmon Leaf Extract – Rich in flavonoids and rutin for cardiovascular health.
- Ginkgo Biloba Extract – Standardized for Ginkgo flavone glycosides and terpene lactones.
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Bioactive Monomers (Purity ≥98%):
- Andrographolide, Ursolic Acid, Astragaloside A
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Compounds from Thunder God Vine (Tripterygium wilfordii):
- Triptolide, Tripterine, Wilforlide A, Triptonide, Triptophenolide – Known for anti-inflammatory and immune-regulating properties, commonly used in pharmaceutical R&D.
The company also supplies bulk ingredients such as citrus bioflavonoids and andrographis extract tailored to customer specifications.
Manufacturing and Technical Capabilities
Guilin Sanleng Biotech operates a GMP-compliant manufacturing facility with advanced equipment for:
- Solvent extraction
- Column chromatography
- Spray drying
- Freeze drying
- High-purity crystallization
The facility is capable of producing over 800 tons of botanical extracts annually, with a strong emphasis on consistent quality and batch-to-batch reproducibility.
The in-house QC laboratory is equipped with HPLC, GC, UV-Vis, and TLC instruments for purity testing, ensuring products meet international standards such as USP, EP, and ChP.
Certifications and Compliance
The company upholds a stringent quality assurance program supported by:
- ISO 9001:2015 certification
- ISO 22000 food safety system
- Halal and Kosher certifications
- GMP production standards
- Compliant with REACH, EU food additive regulations, and U.S. FDA GRAS status for key ingredients
This robust compliance framework enables Sanleng Biotech to serve clients in Europe, North America, and Asia with confidence.
Market Presence and Export Performance
According to trade data compiled from Volza and ImportYeti:
- The company has exported to over 40 countries, including the U.S., Germany, Japan, South Korea, India, and Brazil.
- Annual export volume exceeds 200 shipments, with key products being monk fruit extract, NHDC, and high-purity triptolide.
- Clients include nutraceutical companies, pharma research labs, food ingredient importers, and TCM product manufacturers.
Sanleng participates regularly in international trade shows such as Vitafoods Europe, CPhI China, and SupplySide West, expanding its global customer base.
R&D and Innovation
The company maintains collaborations with universities and botanical research institutions across China. Its innovation team is engaged in:
- Standardization of TCM-derived compounds
- New natural sweetener discovery
- Stability enhancement of bioactive molecules
- Development of patented extraction technologies
Sanleng also supports clinical and preclinical studies on its key compounds through third-party research partners.
Sustainability and Ethical Sourcing
Guilin Sanleng follows eco-friendly practices and ensures:
- Sustainable wild-harvesting or contract farming of raw materials
- Minimal solvent residue in final extracts
- Reduction in carbon footprint through energy-efficient drying processes
The company also emphasizes traceability from farm to final extract, using digital batch tracking systems.
Conclusion
With a strong foundation in traditional herbal science, cutting-edge extraction capabilities, and a global quality compliance framework, Guilin Sanleng Biotech Co., Ltd. is a preferred supplier for high-value botanical extracts and active plant compounds. Its commitment to purity, consistency, and innovation continues to drive its growth across the nutraceutical, pharmaceutical, and functional food industries.
