Resveratrol Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 501-36-0 |
| Product name | Resveratrol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeFood GradeCosmetic Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for Resveratrol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Resveratrol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Resveratrol
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Antioxidant, anti-inflammatory, cardiovascular protective, and adjuvant antitumor therapy | Plant extraction (e.g., Japanese knotweed, grapes) and chemical synthesis |
| Dietary Supplements | Dietary supplement for anti-aging and immune support | Fermentation and solvent crystallization purification |
| Cosmetics | Anti-aging skincare (melanin inhibition and collagen synthesis promotion) | Nanocapsulation and liposomal delivery |
| Food | Functional food additive for preservation and freshness retention | Microemulsification and spray drying |
| Agriculture | Plant stress resistance inducer to enhance crop disease resistance | Water-soluble formulation processing and foliar application |
Manufacturing Quality Control of Resveratrol
| Detection Item | Common Testing Methods | Method Overview |
|---|---|---|
| Content Determination | High-Performance Liquid Chromatography (HPLC) | Uses a reversed-phase C18 column with gradient elution of methanol-water or acetonitrile-water as the mobile phase, and UV detection at approximately 306 nm for quantitative analysis of resveratrol content. This method offers high sensitivity and good reproducibility, and is recommended by pharmacopeias. |
| Identification | Ultraviolet-Visible Spectrophotometry (UV-Vis) | Resveratrol exhibits a characteristic absorption peak around 306 nm. Sample spectra are compared with those of reference standards for preliminary identification. The method is simple and suitable for rapid screening. |
| Purity Testing | High-Performance Liquid Chromatography (HPLC) | Based on content determination, purity is assessed using area normalization or external standard methods for impurity peaks, ensuring that the total amount of impurities outside the main component meets specified requirements. |
| Residual Solvents | Gas Chromatography (GC) | Used to detect organic solvents (e.g., methanol, ethanol, acetone) potentially remaining from extraction or synthesis processes. Capillary columns and FID detectors are employed, following pharmacopeial guidelines for residual solvent control. |
| Moisture Content | Karl Fischer Titration | Accurately measures water content in samples to prevent moisture-related issues affecting stability and content determination results. Available in both volumetric and coulometric forms, suitable for trace moisture analysis. |
| Heavy Metals and Harmful Elements | Inductively Coupled Plasma Mass Spectrometry (ICP-MS) or Atomic Absorption Spectroscopy (AAS) | Determines levels of heavy metals such as lead, cadmium, arsenic, and mercury to ensure compliance with safety standards for herbal medicines, food, or pharmaceutical products (e.g., Chinese Pharmacopoeia, USP). |
| Microbial Limit Test | Microbial Culture Method | Performs tests according to pharmacopeial specifications, including count of aerobic bacteria, molds and yeasts, and testing for control organisms (e.g., Escherichia coli, Salmonella), ensuring microbial safety of the product. |
| Polymorph Analysis (if applicable) | X-Ray Diffraction (XRD) or Differential Scanning Calorimetry (DSC) | Used to distinguish between different polymorphic forms of resveratrol, assessing physical stability and dissolution performance—particularly important in formulation development. |
Technical Specifications of Resveratrol
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (LC-MS) |
| Melting Point | 260–262°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of Resveratrol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Resveratrol
Packaging of Resveratrol
Industrial Resveratrol Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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