Explore our highly standardized raw materials sourced and processed under strict GMP criteria.
Analyzing the rising demand for standardized Dioscorea opposita derivatives in global supply chains.
Chinese Yam (Dioscorea opposita or *Dioscorea polystachya*) has transitioned from a traditional herbal root into a powerhouse raw material for the modern bio-industry. Valued for its dense concentrations of bioactive polysaccharides, diosgenin (a natural steroidal sapogenin), allantoin, and resistant starch, it is increasingly requested by functional food developers and botanical medicine formulators alike.
Globally, the market for functional root extracts is experiencing rapid growth, driven by a consumer shift toward clean-label, plant-based products. In North America and Europe, Chinese Yam is sought after as a clean source of gut-friendly dietary fiber and prebiotics. Meanwhile, the cosmetics industry utilizes purified yam extract containing allantoin to support biological skin cell turnover and moisture barrier recovery.
As a leading Chinese Yam factory and partner exporter, UniCare bridges the gap between field agricultural management and scientific validation, supplying standardized extracts that meet rigorous global standards.
Standardized Chinese Yam raw materials engineered for target cosmetic, dietary, and functional food systems.
Diosgenin derived from Chinese Yam serves as an essential structural precursor for natural hormone synthesis. Additionally, its high mucilage and polysaccharide content acts as a functional prebiotic, promoting gastrointestinal tissue healing and modulating digestive microbiomes.
Cosmetic manufacturers utilize water-soluble Chinese Yam polysaccharides for natural film-forming hydration, replacing synthetic carbomers. The naturally occurring allantoin within the roots helps reduce trans-epidermal water loss (TEWL) and supports sensitive skin formulations.
As a non-GMO, gluten-free, carbohydrate-rich powder, Chinese Yam is a key ingredient in therapeutic recovery formulas. Resistant starch within the plant helps maintain stable postprandial glucose levels, making it ideal for clinical metabolic diets.
Our commitment is simple: Discover and create the new value of herbs through industrial expertise and rigorous science.
UniCare is a professional supplier of natural active ingredients. Our products are widely used in various fields such as dietary supplements, food, cosmetics, and pharmaceuticals. We focus on product development and quality stability, and insist on growing together with our customers around the world.
UniCare maintains close cooperation with top-tier Chinese manufacturers that hold comprehensive quality management system certifications, including but not limited to GMP, EUGMP, CEP, ISO9001, ISO22000, and HACCP. Each factory possesses independent testing capabilities and is equipped with advanced, high-efficiency analytical instrumentation to guarantee the consistency and safety of every production batch.
Driving industrial sustainability through technological innovation and corporate social responsibility.
Discover and create the new value of botanical herbs.
Fostering continuous innovation and quality refinement.
Deploying advanced technology to yield high-purity products.
Promoting employee well-being and giving back to the community.
Operating China's most advanced automated botanical extraction infrastructure.
We prioritize the hardware conditions of our production facilities, partnering with the largest and most advanced extraction plant in China. The entire production line is monitored and controlled by a modern, intelligent, automated control system that tracks extraction temperatures, pressures, and flow rates in real-time.
Our infrastructure includes two GMP-compliant workshops housing six multifunctional extraction lines. This setup features the only acetone-process Ginkgo Biloba Extract production line in China that meets European GMP standards. Combined with fermentation production lines and Chinese medicine piece processing, we can process 30,000 tons of raw agricultural plant material annually.
The facility is fully verified and operated under domestic GMP mandates for dietary supplements.
Internationally certified Ginkgo Biloba extract line adhering to rigorous European pharmacopoeia requirements.
All processing phases utilize SCADA and PLC control systems for batch-to-batch consistency.
Equipped with subcritical extraction units and countercurrent columns for high yield and purity.
Massive raw material processing capacity handles large-scale multinational contract requirements.
Features 3 annular dynamic countercurrent lines (10 & 15 ton capacity) and 32 multi-functional extraction tanks.
The only acetone process Ginkgo extraction line in China compliant with EU-GMP guidelines.
Six 20-ton fermentation vessels optimized for enzyme-modified conversions and bio-catalysis.
A visual walk-through of our industrial manufacturing base, workshops, and refining infrastructure.










A CNAS-qualified laboratory verifying identity, purity, and safety at every step.
UniCare and its manufacturing partners have established a leading quality control system. We verify our raw materials and finished extracts using advanced testing instruments in accordance with global regulations. This helps ensure compliance with EU, USP, and EP regulations regarding contaminants and pesticide residues.
Detectable Analytical Parameters Include: Signature active components (quantified via HPLC or UV), solvent residues (monitored via Gas Chromatography - GC), pesticide residues (organochlorine/organophosphorus screens using GC-MS-MS), heavy metal assays (lead, arsenic, mercury, cadmium, copper measured via ICP-MS), microscopic identification, moisture levels, loss on drying, total ash, microbial limits, thin layer chromatography (TLC) identification, density, and sulfur dioxide residue.
| Analytical Category | Test Parameters & Testing Methodology |
|---|---|
| Active Ingredient Analysis | Assay verification, chromatographic identification, bioactive profiling. |
| Hazardous Substance Analysis | Heavy metals (ICP-MS), multi-class pesticide residues (GC-MS-MS), residual organic solvents (GC-Headspace). |
| Microbiology & Bio-Burden | Total aerobic microbial count (TAMC), Yeast & mold (TYMC), E. coli, Salmonella, and target pathogens. |
| Raw Material Sourcing Control | GACP origin traceability, non-GMO validation, allergen testing, identity confirmation. |
| Stability Studies | Accelerated shelf-life and real-time stability verification following ICH guidelines. |
| Physicochemical Properties | pH value, moisture content, total ash, optical rotation, bulk/tapped density, mesh size. |
Essential Testing Equipment Inventory: Our lab features two UHPLC Agilent 1290 systems, four HPLC Agilent 1260 chromatographs, two Shimadzu LC-20AT HPLC units, two Dionex CU3000 systems, two Shimadzu 2000ES Evaporative Light Scattering Detectors (ELSD), one Shimadzu GC2010 gas chromatograph, and one Shimadzu AA-7000 atomic absorption spectrometer.
Pairing academic research with sustainable raw material sourcing to ensure supply chain resilience.
We reinvest 10% of our annual net profit into research and development. In addition to optimizing traditional botanical extraction, we have established a dedicated R&D department focused on natural fermentation. Our goal is to leverage biochemical fermentation to improve extraction yields and introduce high-purity bioactive molecules to the market.
UniCare collaborates closely with the Beijing University of Chemical Technology in the field of industrial fermentation, co-developing and scaling up next-generation active ingredients for pharmaceuticals, cosmetics, and functional nutrition.
To secure a reliable supply of high-quality raw materials, we use a procurement system that traces each batch back to its cultivation source. We manage material storage through our quality management process, verifying moisture, ash, heavy metals, and pesticide levels before processing.
To safeguard our key supply lines, UniCare works directly with regional farmers to run dedicated cultivation bases for Ginkgo Biloba, Epimedium, Phellodendron, and Olive Leaf. Select fields are managed under strict Good Agricultural and Collection Practices (GACP). Additionally, we partner with agricultural research institutes to develop high-yield crop varieties via hybrid selection, helping optimize raw material costs for our clients.
Developing next-generation delivery systems and biotransformation methods for enhanced bio-efficacy.
We are optimizing the extraction of Chinese Yam polysaccharides using subcritical water instead of organic solvents. This eco-friendly method helps preserve the structural integrity of the polysaccharides, resulting in superior water-solubility and biological activity.
By fermenting Chinese Yam pulp with specific Lactobacillus strains, we can break down complex starches into more bioavailable L-lactic acid and active glycopeptides. This biotransformed ingredient is designed for advanced gastrointestinal wellness applications.
To improve the bioavailability of hydrophobic diosgenin, our lab is developing liposomal lipid-carrier systems. This encapsulation technology supports targeted delivery and absorption in topical cosmetic formulations and dietary supplements.
Technical guidance and sourcing information for procurement managers and product formulators.
Explore our additional high-purity natural active ingredients for global distribution.