For International Brand Clients
Product Name: Natural Quercetin (Sophora Japonica Bud Extract)
Document Date: 20 July 2026
Department: Marketing & Raw Material R&D, KEEP
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Item |
Standard Details |
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Full Ingredient Name |
Natural Quercetin Dihydrate, 100% Sophora Japonica Bud Extract |
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CAS No. |
117-39-5 |
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Molecular Formula |
C₁₅H₁₀O₇·2H₂O |
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Raw Botanical Source |
Unopened dry flower buds of Sophora Japonica, globally recognized premium raw material for quercetin extraction, high natural rutin conversion rate |
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Complete Mature Mass-Producible Specs (All Domestic Stable Grades) |
1. Standard 95% Quercetin (80 Mesh); 2. Water & Ethanol Soluble Modified 95% Quercetin (80 Mesh); 3. Micronized 95% Quercetin (200 Mesh); 4. High-Purity 98% Regular Powder; 5. Direct Compression DC Granule Grade; 6. Taste-Masked Granule; 7. Microencapsulated Micropellets; 8. Liposomal Quercetin; 9. Water-Dispersible Liposomal Quercetin; 10. Effervescent Dedicated Grade |
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Physical Property |
Yellow fine crystalline powder, strong natural bitter astringency; raw quercetin barely soluble in cold water, sensitive to light & alkaline environment; modified upgraded grades realize water dispersion & taste neutralization |
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Core Physiological Mechanism |
Natural flavonoid polyphenol from Huai Mi; broad-spectrum antioxidant, anti-inflammatory, immune-supporting, vascular protection; natural rutin co-extracted trace ingredients synergistically boost oral absorption vs synthetic quercetin |
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Comparison Item |
KEEP Natural Quercetin |
Synthetic Quercetin |
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Raw Origin |
100% Natural Chinese Herbal Sophora Japonica Bud |
Chemical total synthesis |
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Natural Co-Actives |
Contains trace natural rutin, auxiliary flavonoids, synergistic absorption effect |
Single pure molecule, no botanical co-factors |
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Clean Label Marketing |
Can label “Natural Plant Extract”, compliant with organic/clean brand positioning |
Cannot mark natural botanical source |
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Taste Base |
Natural herbal bitterness, easy to mask via botanical compatible coating |
Single chemical bitter taste, poor flavor modification compatibility |
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Regulatory Compliance |
EU/US herbal supplement, food additive fully compliant |
Restricted in high-end clean-label product lines |
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Market Position |
Mid-to-high premium natural immune & vascular wellness track |
Low-price mass commodity raw material |
Sophora Japonica bud supplies over 70% of global natural quercetin market volume; Natural plant-derived quercetin is the preferred raw material for overseas clean-label, herbal, organic brands, while synthetic quercetin only occupies low-price bulk commodity segment.
Domestic full industrial chain from Huai Mi planting, rutin hydrolysis to quercetin purification is mature, with complete modified upgraded delivery grades for beverage, tablet, liposomal high-end products.
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Item |
Official Verified Data |
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Global Natural Sophora Japonica Quercetin Market Size |
USD 216.8 million (2025); Forecast USD 423.6 million (2032) |
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CAGR (2025–2032 Forecast) |
10.43% |
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Core Regional Consumption Markets |
North America (42% clean-label immune brand demand), Western Europe herbal supplements, Japan natural health products, Southeast Asia wellness market |
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Fastest-Growing Segments |
Water-dispersible beverage-grade quercetin, liposomal quercetin, taste-masked micropellets, effervescent immunity tablets, multi-active NMN+Quercetin anti-aging premix |
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Data Source |
PW Global Botanical Flavonoid Raw Material Report 2026 |
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Metric |
Rating |
Explanation |
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Market Maturity Level |
★★★★ Mature & Premium Expanding |
Over 20 years commercial herbal application; Crude unmodified quercetin powder saturated, water-soluble, liposomal, DC granule upgraded grades maintain high-speed premium growth |
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Dimension |
Detailed Status |
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Competition Intensity |
★★★★ High for crude unmodified powder; ★★ Medium for all modified upgraded natural specs |
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Raw Material Supply Pattern |
China dominates global Huai Mi planting & rutin hydrolysis extraction capacity; Most factories only supply standard 80mesh 95% crude powder; KEEP full 10 mature upgraded series stable mass production |
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Top Global Branded Natural Quercetin |
Sabinsa Quercetin Phytosome, Martin Bauer Sophora Japonica Extract, Indena Natural Flavonoids |
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Domestic Mature Differentiation Paths |
Micronization, water/ethanol soluble modification, DC tablet granulation, taste masking, micropellet microencapsulation, effervescent special grade, dual liposomal delivery system |
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Pain Point |
Commercial Negative Impact |
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Barely cold water soluble, heavy sediment in liquid drinks |
Cannot match booming RTD & oral immunity shot market |
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Strong herbal bitter astringency, low oral compliance |
Restrict gummies, fruit sticks, chewable tablet development |
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Sensitive to light & alkali, easy discoloration & efficacy decline during storage |
High barrier packaging cost, short finished shelf life |
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Poor powder fluidity, severe dust, block automatic tableting & filling equipment |
Low production yield, high raw waste |
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Only single crude spec, no differentiated high-absorption delivery forms |
Lose high-end liposomal & beverage brand cooperation orders |
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Opportunity Rating |
Core Profit Logic |
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★★★★★ Natural Clean-Label Blue Ocean |
Crude unmodified quercetin faces brutal price competition; KEEP’s 10 full mature upgraded natural specs deliver 45%–120% gross premium; Immunity & cardiovascular natural botanical segments maintain double-digit growth, synthetic raw materials cannot substitute natural Huai Mi marketing positioning |
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Representative Brands |
Representative Products |
Product Positioning |
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Life Extension |
Immune Support Quercetin Caps |
Premium clean-label natural immune supplement |
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Sabinsa |
Standardized Natural Quercetin Raw Material |
Global benchmark botanical flavonoid branded ingredient |
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Doctor's Best |
Natural Quercetin Immune Vegan Caps |
Mid-tier daily herbal wellness product |
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Thorne Research |
Cardiovascular Botanical Complex |
Professional brand natural vascular formula |
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Swanson |
Unflavored Natural Quercetin Powder |
Entry-level bulk herbal immunity raw material |
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Transparent Labs |
Micronized 95% Quercetin |
Private label fitness & immune bulk powder |
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JYM Supplement Science |
Pre-Workout Anti-Inflammatory Blend |
Natural sports recovery powder |
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New Chapter |
Multi-Flavenoid Daily Immunity Tablets |
Organic whole-herb wellness finished goods |
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Upgrade Category |
Specification / Technology (10 Full Mature Grades) |
Core Technology Features |
Matching Application Scenarios |
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Conventional Basic Specs |
1. Standard 95% Quercetin (80 Mesh); 2. High-Purity 98% Regular Powder |
N/A |
Low-cost bulk immunity powder, standard hard capsules, basic compound premix |
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Solubility Modification |
3. Water & Ethanol Soluble Modified 95% Quercetin (80 Mesh) |
N/A |
Light fruit instant sticks, mild warm oral immunity liquids |
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Powder Engineering |
4. Micronized 95% Quercetin (200 Mesh); 5. Direct Compression DC Granule Grade |
N/A |
Sublingual tablets, high-speed capsule filling, automatic tableting lines |
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Taste & Physical Upgrade |
6. Full Taste-Masked Granule |
N/A |
Fruit-flavored stick packs, chewable immunity tablets, mild-taste senior powder |
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Stability Upgrade |
7. Microencapsulated Micropellets |
Light/alkali resistant, anti-oxidation, anti-discoloration, long shelf storage |
Functional protein bars, sustained-release immunity tablets, long-term premix |
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Bioavailability Upgrade |
8. Liposomal Quercetin; 9. Water-Dispersible Liposomal Quercetin |
Lipid core encapsulation to boost intestinal absorption |
Premium oral immunity sachets, high-end anti-aging compound powder |
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Special Formulation Grade |
10. Effervescent Dedicated Grade |
pH balanced, no precipitation in citric-sodium bicarbonate matrix
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Immunity effervescent tablets, single-dose effervescent sticks |
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Customized Solutions |
Natural immunity compound premix (Quercetin+Vitamin C/Zinc/NMN), OEM herbal multi-active custom formula |
N/A |
Brand exclusive natural immune proprietary blends, one-stop botanical raw material kits |
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Application Track |
Matching Finished Dosage Forms |
Target Consumer Groups |
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Natural Immunity Daily Wellness |
Hard herbal capsules, DC compression tablets, unflavored bulk oral powder |
Clean-label/organic brand buyers, seasonal respiratory sub-health crowds |
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Cardiovascular Vascular Care |
Quercetin compound oral powder, daily vascular maintenance capsules |
Middle-aged population with capillary fragility & lipid imbalance |
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Sports Anti-Inflammatory Recovery |
Micronized instant fitness sticks, chewable training tablets |
Professional athletes, long-distance runners, high-intensity fitness users |
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Functional Beverage & Oral Shots |
Water-soluble modified instant powder, effervescent single sticks |
Mass convenience immunity drink consumers |
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Premium Multi-Active Anti-Aging |
Liposomal oral sachets, NMN+Quercetin triple blend capsules |
High-income anti-aging biohacker crowds |
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No. |
Mature Industrialized Natural Grade |
Core Unique Selling Point |
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1 |
Water & Ethanol Soluble 80mesh Quercetin |
Mild liquid dispersion, no heavy sediment for light fruit immunity drinks |
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2 |
200Mesh Micronized Quercetin |
Ultra-fine particle, fast oral dissolution, higher intestinal contact area |
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3 |
Taste-Masked Granule Quercetin |
Fully neutralize herbal astringent bitterness, fit all fruit flavor systems |
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4 |
Anti-Light Microencapsulated Micropellets |
Avoid discoloration & efficacy loss under long-term storage |
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5 |
Water-Dispersible Liposomal Quercetin |
4–6x higher absorption vs crude powder, compatible transparent oral shots |
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Formula Combination |
Dual Core Efficacy |
Target Market Positioning |
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Quercetin + Vitamin C + Zinc |
Broad-spectrum immune triple synergism |
Mass daily immunity chewable tablets |
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Quercetin + NMN / NR |
Immune protection + NAD+ anti-aging |
Mid-high end longevity oral powder |
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Quercetin + PQQ |
Vascular care + mitochondrial vitality |
Luxury cellular wellness premium capsules |
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Quercetin + Resveratrol |
Dual natural flavonoid anti-oxidation |
Herbal anti-inflammatory daily supplements |
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Quercetin + Milk Thistle Extract |
Immunity + liver oxidative protection |
Sub-health middle-aged compound powder |
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Quercetin + Magnesium |
Vascular stabilization + muscle recovery |
Fitness & cardiovascular dual blend |
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Development Trend |
Specific New Industrial Grades |
Core Market Growth Logic |
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Organic certified full-chain series |
Pesticide-free low-heavy metal organic quercetin specs |
Capture high-margin organic herbal immunity brand niche |
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Low-dose women’s beauty immunity customized granules |
Mild taste mini masked granules for female oral skincare immunity products |
Tap young female natural wellness consumer group |
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All-in-one immunity premix (Quercetin+C+Zinc) |
Ready-blended one-stop natural compound raw material |
Cut brand independent formula mixing & stability testing cost |
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Food-grade heat-stable micropellets |
High-temperature resistant encapsulated quercetin for baked protein bars |
Expand raw material boundary into mass supermarket F&B |
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Co-loaded liposomal multi-complex |
Liposomal Quercetin+Vitamin C integrated raw material |
Differentiate high-end immunity liquid sachet product lines |
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Technical Platform |
Mature Mass-Producible Quercetin Capabilities |
Direct Client Business Value |
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Full Industrial Chain |
Self-controlled Sophora Japonica bud planting base, rutin hydrolysis independent production line, full 95/98 purity & particle series |
Stable batch consistency, pass EU/US herbal heavy metal & pesticide testing, no supply fluctuation risk |
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Solubility Modification Tech |
Mature water/ethanol soluble transformation for crude quercetin |
Break water-insoluble core pain, support brand immunity beverage product layout |
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Micronization & DC Granulation Platform |
Custom 80/200mesh micronized + carrier-free direct compression granules |
Solve poor fluidity & dust problems, improve tableting production yield |
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Full Herbal Bitterness Masking System |
Botanical-compatible taste neutralization for natural flavonoids |
Develop palatable fruit chewable & stick consumer goods |
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Anti-Light Microencapsulation Tech |
Light-shield micropellets to prevent discoloration & efficacy decline |
Reduce high-barrier packaging procurement cost, extend finished shelf life |
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Dual Liposomal Production Line |
Standard & water-dispersible liposomal quercetin mass stable supply |
Enter high-margin premium immunity liquid sachet segment |
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Immunity OEM Premix Service |
Custom natural multi-active blending, formulation stability testing support |
Short new immunity product launch cycle & independent R&D investment |
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Driver Category |
Specific Market Reason |
Risk of Only Selling Crude 80mesh 95% Powder |
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Natural Clean-Label Premium Demand |
Global immunity brands prioritize plant-derived raw materials; 10 upgraded natural specs deliver 45%–120% gross premium |
Lock brands in low-price commodity track, lose high-end organic & beverage brand cooperation |
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Core Formulation Pain Points |
Crude quercetin insoluble, bitter, light-sensitive & poor fluidity limit liquid & chewable finished goods |
Low retail repurchase rate, narrow brand product portfolio layout |
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Immunity Track High Growth Trend |
Post-pandemic natural immunity supplements maintain 10%+ CAGR, differentiated modified quercetin is core competitive raw material |
Competitors with full upgraded series seize more brand orders |
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Independent Domestic Huai Mi Supply Chain |
No reliance on imported flavonoid raw materials, stable delivery & controllable cost |
Brands face overseas supply chain shortage & high import prices |
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All 10 Grades Domestic Mass-Producible |
Water-soluble, micronized, masked, micropellet, liposomal specs all mature for immediate production |
Rapid launch differentiated immunity product lines to capture fast-growing natural flavonoid market |
Sophora Japonica Bud-derived natural quercetin is the core plant flavonoid raw material for global immunity & cardiovascular supplements, maintaining a 10.43% compound annual growth rate through 2032.
While unmodified crude quercetin suffers severe homogenized price competition, massive blue ocean high-margin opportunities exist in KEEP’s complete 10 mature domestic upgraded series: water/ethanol soluble modified grade, 200mesh micronized powder, DC tableting granules, full taste-masked granules, anti-light micropellets, effervescent special grade, dual liposomal high-absorption variants.
KEEP provides a full-spectrum natural quercetin portfolio covering basic crude powder and all domestically mass-producible upgraded grades, fully supporting clean-label, organic, sports and anti-aging brand partners to build differentiated immunity & vascular wellness product lines across four high-growth business tracks:
daily natural immune supplements, cardiovascular herbal care, sports anti-inflammatory recovery and premium multi-active anti-aging formulations, greatly lifting finished product gross margin and global natural botanical ingredient competitiveness.
