Wholesale Resveratrol Quercetin Exporter & Exporters

High-Purity Bioactive Flavanoids & Polyphenols Sourced Directly from China's Industry-Leading GMP Countercurrent Extraction Facilities

Resveratrol & Quercetin Synergy: The Frontier of Senolytic Formulation

In the rapidly evolving landscape of global preventative health and anti-aging pharmacology, the molecular coupling of Trans-Resveratrol and Quercetin represents a profound therapeutic synergy. Resveratrol, a natural stilbenoid phytoalexin principally extracted from the roots of Polygonum cuspidatum (Giant Knotweed), acts as a potent SIRT1 activator. However, when ingested individually, its clinical efficacy is restricted by its rapid phase-II metabolism, resulting in suboptimal systemic bioavailability.

To overcome this pharmacokinetic bottleneck, leading global nutraceutical manufacturers pair Resveratrol with Quercetin, a powerful pentahydroxyflavone sourced from Sophora japonica. Quercetin serves as a biological inhibitor of sulfotransferases (SULTs) and UDP-glucuronosyltransferases (UGTs)—the primary enzymes responsible for the glucuronidation and clearance of Resveratrol in the human gut and liver. By co-administering these compounds, the systemic half-life and peak plasma concentration of free trans-resveratrol are dramatically elevated, transforming standard dietary formulations into clinical-grade health interventions.

Technical Insight: Clinical studies indicate that Quercetin not only enhances Resveratrol absorption but also exerts complementary senolytic activity. As "senolytic" compounds, they selectively eliminate senescent cells—cellular structures that have ceased division but continue to secrete toxic pro-inflammatory molecules, contributing to tissue degeneration and age-related functional decline.

As a leading Wholesale Resveratrol Quercetin Exporter, UniCare provides high-purity raw active ingredients designed specifically for optimized bioavailability profile development. Our clients span across North America, Europe, and Asia-Pacific, incorporating our premium-grade bulk powders into tablets, liposomal capsules, sublingual liquids, and topical skin rejuvenation complexes.

Industrial Scale & Capabilities

Empowering your global supply chain with unparalleled volume processing capacity, rigorous quality guarantees, and industry certification standards.

30,000T
Annual Biomass Capacity
10%
Net Profits Reinvested in R&D
CNAS
Certified Central Laboratory
100%
Traceable Planting Bases

Global B2B Procurement Trends for Active Botanical Compounds

The global demand for high-purity natural extracts has shifted from simple dietary supplement grading to highly standardized pharmaceutical-grade requirements. Industrial buyers—from global health manufacturers to multi-national cosmetic brands—face complex supply chain landscapes defined by regulatory tightening, sustainability guidelines, and consumer demands for strict ingredient verification.

Regulatory Compliance & Verification

Procurement agents must navigate strict FDA NDIs (New Dietary Ingredients), EFSA Novel Food approvals, and international standards. Securing clean DMF (Drug Master Files) and botanical identification certifications is no longer optional; it is the baseline for global market entry.

Pure Trans-Isomer Standardization

Resveratrol exhibits cis- and trans-isomers, but only the trans-isomer is biologically active. Global buyers demand verified Trans-Resveratrol ≥98% and Quercetin dihydrate/anhydrous ≥95% to ensure functional efficacy and stability in finished products.

Heavy Metals & Solvent Control

Industrial extraction relies on solvents. Discerning corporate quality departments scrutinize residual solvents (such as ethanol, acetone, or ethyl acetate) and trace heavy metals (arsenic, lead, cadmium, mercury) down to parts-per-billion levels.

UniCare answers these modern industry challenges by providing fully certified, transparent, and tested raw materials. We understand that supply chain stability directly dictates your speed-to-market and brand equity. By integrating vertical planting control with raw material analytics, we provide an uninterrupted, high-quality flow of materials to meet scale demands seamlessly.

China Factory 4.0: Supply Chain Resilience & Manufacturing Excellence

Our manufacturing philosophy is built upon the pillars of the Factory 4.0 paradigm—utilizing smart instrumentation, automated raw material processing, and digital process optimization. At UniCare, we attach great importance to the hardware and infrastructure conditions of our manufacturing lines, housing the largest and most advanced extraction facility in China.

UniCare Production System

Why Choose UniCare Extraction Infrastructure?

Our entire extraction cycle is managed by a centralized, modern, intelligent automatic control system. This digital integration guarantees temperature stability, pressure control, and solvent-recovery efficiency, minimizing batch-to-batch variation while maximizing yield.

  • GMP Approved Facilities: All facility operations and management protocols strictly adhere to international China GMP standards.
  • Unmatched Extraction Array: Operating 6 specialized production lines, including three annular dynamic countercurrent extraction lines (10 & 15 tons) and two multi-functional lines featuring 32 extraction tanks.
  • Unique Acetone Process: Proud owners of the only acetone process extraction line for Ginkgo Biloba Extract in China that fully meets EU GMP and CEP certification standards.
  • Fermentation Capability: Six 20-ton fermentation tanks dedicated to high-yield enzyme-modified product transformation and advanced biosynthetic applications.

Through our intelligent automation setup, we process over 30,000 tons of Chinese medicine and raw botanical plant biomass annually. This scale provides a significant buffering capacity, sheltering our global clients from raw material market fluctuations, and securing stable pricing schedules even during global trade challenges.

ABOUT US & OUR VISION

UniCare is a professional, high-tier supplier of natural active ingredients. Our products are widely used in various health-centric fields such as dietary supplements, functional foods, clean-label cosmetics, and advanced pharmaceuticals. We focus on product development and quality stability, and insist on growing together with our customers around the world.

UniCare has deep cooperation with several excellent Chinese manufacturers who have complete quality management system certifications, including but not limited to GMP, EUGMP, CEP, ISO9001, ISO22000, and HACCP. Each factory has independent testing capabilities and is equipped with advanced and efficient testing equipment to ensure the high quality and long-term stability of each batch of products.

Contact Us for Bulk Inquiries
UniCare Quality Assurance

Our Foundational Philosophies

Herb Innovation

Discover Herb Value

We work tirelessly to discover and create the true biological value of herb-based actives, converting botanical wisdom into verified scientific health breakthroughs.

Continuous Innovation

Continuous Innovation

Continuous innovation and process improvement represent our path to reducing production impurities, increasing compound yield, and lowering environmental footprints.

Advanced Technology

Advanced Technology

We integrate the most advanced hardware, automation controllers, and analytical testing platforms to manufacture the absolute highest quality products on the market.

State-of-the-Art Quality Control System & Testing Infrastructure

United New Life (UniCare) has established a leading and complete quality control system, and strictly controls the high quality of products in accordance with international quality guidelines. With advanced testing instruments and a highly professional analytical staff, we assure that every lot matches the physical, chemical, and microbiological specifications required by your regional laws.

Our analytical capacity covers a wide matrix of critical assays, ensuring contaminants are systematically filtered out. Our detectable items include: Signature component detection (via HPLC or UV), solvent residues (using gas chromatography - GC), pesticide residues (specifically organochlorine screen via GC-MS-MS), heavy metals (including lead, arsenic, mercury, cadmium, copper) through ICP-MS, microscopic identification, moisture, dry weight loss, ash content, microbial limits, thin layer chromatography (TLC) identification, conductivity, pH, and sulfur dioxide residue levels.

Central Analytical Facility: The UniCare central testing laboratory is qualified by the China National Accreditation Service (CNAS). It operates as an independent testing unit that performs third-party validated procedures, giving our buyers trust and assurance before shipping.

Important Analytical Instruments Array

Instrument Type Manufacturer & Model Quantity Available Primary Testing Application
Ultra-High Performance Liquid Chromatograph (UHPLC) Agilent 1290 Series 2 Units Ultra-precise assay, rapid profiling of multi-component active botanical signatures
High-Performance Liquid Chromatograph (HPLC) Agilent 1260 Series 4 Units Routine identification, purity assays, signature component mapping (Resveratrol & Quercetin)
High-Performance Liquid Chromatograph (HPLC) Shimadzu LC-20AT 2 Units Stability monitoring, active compound release profiles
HPLC & Evaporative Light Scattering Detector (ELSD) Shimadzu 2000ES 2 Units Analysis of compounds lacking strong chromophores (lipids, sugars, saponins)
Gas Chromatograph (GC) Shimadzu GC-2010 1 Unit Residual solvent determination, trace organic compound volatiles
Atomic Absorption Spectrophotometer (AAS) Shimadzu AA-7000 1 Unit Trace heavy metal analysis (Lead, Arsenic, Cadmium, Mercury)
Laboratory 1 Laboratory 2 Laboratory 3 Laboratory 4 Laboratory 5

Research & Development & Agricultural Integration

Innovating processes, securing planting land, and creating stable pricing channels through vertical supply chain integration.

Continuous R&D Investment

UniCare proudly invests 10% of our annual net profit in research and development. Beyond optimizing existing extraction protocols, we have established a dedicated R&D division for natural fermentation. We aim to break through traditional extraction yields and deliver highly purified bio-actives via sustainable, clean methods.

R&D Lab Process

GACP Raw Material Planting Bases

To control raw material chemistry, we extend our procurement trace lines to the planting lands. We partner with local farmers to run cultivation hubs for Ginkgo, Epimedium, Phellodendron, and Olive Leaf. These fields operate under strict Good Agricultural and Collection Practices (GACP) to eliminate pesticides and heavy metal contaminants at the source.

Raw Material Planting
Academic Partnership & Biotechnological Synthesis: UniCare maintains a close collaborative R&D pipeline with the Beijing University of Chemical Technology in the field of fermentation. Together, we translate novel, highly stable health, cosmetic, and pharmaceutical raw materials from laboratory prototypes to massive industrial-scale manufacturing.

Localized Application Scenarios of Resveratrol & Quercetin

Understanding how bulk active components behave in end-user formulas allows us to customize physical parameters like particle size (micronization), water solubility, and chemical stability. Below are the primary commercial environments where our Resveratrol and Quercetin raw ingredients excel:

Nutraceutical Supplements

Utilized in classic anti-aging capsules, longevity formulas, and cellular health tablets. Combining our micronized trans-resveratrol and quercetin dihydrate maximizes target absorption without requiring expensive lipid formulations.

Functional Beverages & Liquids

For functional drinks, wellness shots, and liquid vitamin preparations, we supply water-soluble, modified botanical powders that remain stable in low pH liquid environments without precipitation.

Cosmeceuticals & Skin Care

Quercetin and Resveratrol act as powerful topical antioxidants that scavenge free radicals and reduce UV-induced redness. Our cosmetic-grade powders are refined to eliminate odor and pigment, ensuring a smooth, white finish in creams and serums.

Frequently Asked Questions: Bulk Sourcing Insights

Crucial procurement answers regarding molecular purity, botanical origins, certification verification, and supply chain logistics.

What is the botanical source of UniCare's bulk Resveratrol and Quercetin?

Our bulk Trans-Resveratrol is naturally extracted from the root of Polygonum cuspidatum (Giant Knotweed), which offers the most biochemically stable and concentrated source of trans-isomer stilbenoids. Our Quercetin is extracted from the flower buds of Sophora japonica (Japanese Pagoda Tree), ensuring a natural, highly sustainable supply chain free from synthetic chemical anomalies.

How does UniCare guarantee the purity of Trans-Resveratrol?

We standardize our Trans-Resveratrol to a minimum concentration of 98% active trans-isomer using Agilent 1290 UHPLC chromatography. The cis-isomer content is minimized to trace levels (<0.5%) since only the trans-isomer is biologically active and structurally stable inside consumer formulations.

Can you customize particle sizes (like micronized powders) for specific formulas?

Yes, we provide customizable physical processing, including micronized powder profiles (typically under 10 microns, or D90 < 10μm) to enhance surface area and solubility. We also offer granulated grades for direct compression tableting, minimizing dust and improving powder flow characteristics during manufacturing.

What safety certifications accompany your export shipments?

Each export batch is delivered with a comprehensive Certificate of Analysis (CoA) detailing active assays, heavy metal profiles (via ICP-MS), residual solvent levels (GC), and microbiological assays. Additionally, our partner factories carry certifications for GMP, EUGMP, ISO9001, ISO22000, HACCP, Halal, and Kosher.

What is your capacity for global bulk delivery and shipping?

Operating six multi-functional automated extraction lines with a raw material throughput of 30,000 tons, we can easily handle bulk supply contracts ranging from single-drum trials (25 kg) to multi-ton container shipments. We work with leading international logistics networks to ensure temperature-controlled, air-tight delivery across Europe, the Americas, and Southeast Asia.