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A Comprehensive Industry Whitepaper on Sourcing, Formulating, and Market Evolution
From a cellular perspective, Quercetin acts as a natural inhibitor of inflammatory cytokines. It regulates the NF-κB pathway, which directly governs the transcription of inflammatory mediators. More importantly, research indicates that Quercetin functions as a zinc ionophore. Zinc is vital for inhibiting viral RNA polymerase within cells, but it cannot cross lipid bilayers easily. When formulated synergistically with Zinc, Vitamin C, and Bromelain, Quercetin assists the movement of Zinc across the cell membrane, maximizing immune efficacy.
For formulators targeting global markets, understanding the distinction between Quercetin Dihydrate and Quercetin Anhydrous is critical. Quercetin Dihydrate contains two water molecules bound to its crystalline structure and is commonly selected for solid dosage forms like tablets and standard capsules. Quercetin Anhydrous, with water removed, delivers higher active concentration per unit weight and is frequently used in premium, high-density powder formulations or oil-infused liquid capsules.
China represents the largest and most technologically advanced supplier region for botanical flavonoids globally, specifically due to the abundance of natural *Sophora japonica* (Japanese Pagoda Tree) crops, which serve as the primary organic source of Rutin—the direct precursor for high-yield Quercetin extraction.
1. **Raw Material Control & Abundance:** The geographical clusters in Sichuan and surrounding mountainous regions provide direct access to high-purity Sophora japonica harvests. Processing at the source reduces transit time, preserving active bio-flavonoid integrity.
2. **Advanced Chromatography & Extraction Tech:** China-based factories like Chenlv Herb employ modern hydro-alcoholic extraction techniques and precise crystallization chromatography. This enables the isolation of Quercetin at 95% and 98% purity levels by HPLC, while keeping solvent residues well below the stringent USP/EP limits.
3. **Cost-Effectiveness at Scale:** High-efficiency production plants process metric tons of biomass daily. The scale economy allows manufacturers to offer highly competitive pricing indexes compared to Western processing plants, without compromising batch consistency.
Chengdu Chenlv Herb Co., Ltd. (Chenlv Herb) was established in 2012 as a state-of-the-art, high-tech enterprise specializing in the research, development, extraction, and global distribution of botanical extracts and natural active pharmaceutical ingredients (APIs).
We are committed to supplying high-purity, highly active, and premium-quality raw materials that cater to the demanding needs of the global pharmaceuticals, nutraceuticals, food supplement, functional cosmetics, and premium animal nutrition industries. With a strong R&D team composed of phytochemists and analytical scientists, we guarantee full transparency, traceabilty, and regulatory compliance from raw crop cultivation to finished active ingredients.
Our milestones show steady, organic growth built on client trust, technological precision, and strict compliance with health standards globally.
Chenlv Herb focuses on providing customized specifications to fit specific formulation requests, backed by strict in-house laboratory controls using HPLC, GC-MS, and ICP-MS testing equipment.
Why procurement teams and formulators choose Chenlv Herb as their strategic manufacturing partner
Creative custom extraction designs and phytochemically balanced active matrixes that elevate your finished supplement brands.
Eco-friendly packaging aligned with modern environmental values. Optimized extraction cycles ensure fast project turnaround.
End-to-end green extraction methods and botanical packaging solutions that minimize ecological footprint.
Fast logistical response, dedicated accounts support, and complete transparent documentation to match your target timeline.
Strict internal QA/QC systems monitoring heavy metals, pesticide residues, assay levels, and microbiological criteria.
Decades of aggregated team expertise in phytochemistry, guaranteeing precise formulation compatibility and longevity.
Pioneering functional, natural, and safe active compounds across vital industries worldwide

Driven by the modern concept of "homology of medicine and food", our high-purity extracts serve as core raw materials for natural dietary supplements.

From herbal formulas recorded in ancient classics to modern botanical drugs, our extracts offer active target compounds with clear pharmacological effects.

Providing natural, gentle antioxidant, and anti-inflammatory properties to meet consumer demand for biocompatible skincare ingredients.

Improving biological immunity, production yield, and overall gut integrity of livestock as natural alternatives to synthetic antibiotics.
Key financial metrics and procurement guidelines for Quercetin and related immune ingredients
When evaluating global raw ingredient prices, professional buyers look beyond simple unit costs. True value calculations require looking at standardized extraction yields, active ingredient assays, heavy metal profiles, and packaging methods. For example, standard *Quercetin Dihydrate 95% (HPLC)* from China factories acts as a global pricing baseline. Custom modifications—such as micro-milling, granular formulations, liposomal delivery systems, or special certification batches (USDA Organic, Kosher, Halal)—will affect the final price index.
| Ingredient Name | Standard Specification | Key Sourcing Precursor / Method | Est. Price Range (USD/kg FOB China) | Recommended Applications |
|---|---|---|---|---|
| Quercetin Dihydrate | 95% by HPLC (Powder) | Sophora japonica extraction | $35.00 - $55.00 | Dietary supplements, standard capsules |
| Quercetin Anhydrous | 98% by HPLC | Dehydration of Dihydrate form | $55.00 - $80.00 | High-density formulations, liquids |
| Rutin NF11/DAB10 | 95% by UV / HPLC | Raw Sophora japonica extract | $22.00 - $35.00 | Quercetin synthesis, vascular health |
| Fisetin | 98% by HPLC | Cotinus coggygria extract | $400.00 - $650.00 | Anti-aging formulas, cognitive booster |
| Hesperidin | 90% - 95% by HPLC | Citrus aurantium extract | $18.00 - $30.00 | Synergistic immune blends, vitamin C base |
| Dihydroberberine | 98% by HPLC | Synthetic conversion from Berberine | $280.00 - $420.00 | Metabolic immune defense, glucose control |
*Disclaimer: The above prices reflect historical market averages for bulk orders (100kg+). Prices vary depending on raw material harvest levels, energy costs, and shipping demands. Contact our sales department for a precise real-time quotation.
How we ensure complete batch consistency and precision throughout our supply chain
Initial alignment call to define physical and chemical ingredient specifications.
Providing a commercial quote and technical data sheets based on target quantities.
Signing our supply contract to lock in batch parameters, pricing, and shipping dates.
Laboratory prototype creation and validation testing to confirm formulation parameters.
Full production run within our ISO-certified facilities under strict batch controls.
Comprehensive third-party and internal testing, culminating in a Certificate of Analysis (CoA).
Secure packing and logistics processing to guarantee safe delivery to your warehouse.
Our extraction facilities comply with safety regulations across all global markets
Chengdu Chenlv Herb is fully audited and certified by leading global compliance systems. We guarantee our batch files are ready for FDA, EFSA, and regional health authority registration.
Keeping you updated on market supply dynamics, pricing spikes, and formulation breakthroughs
Recently, the market price of Citrus aurantium raw materials in China has been on the rise, drawing significant attention from the industry. As the new production season (May-June) comes to an end and new supplies gradually enter the market, price fluctuations have become a focal point due to supply and demand dynamics and cost considerations.
As a 'calling card' for leading China's pharmaceutical industry onto the global stage, the 23rd China Pharmaceutical Raw Materials Exhibition (CPHI China 2025) will join hands with the 18th China Pharmaceutical Machinery to present the future of extraction technology.
Join our core extraction research team at the 92nd API conference to discuss custom solutions for bioflavonoids, andrographolide, and next-generation immunomodulator ingredients.
Addressing core technical questions from procurement officers, product managers, and formulation experts
Our complete collection of standardized chemical extracts supporting pharmaceutical and functional food industries