Description

Quercetin 95% Sophora Japonica

Quercetin is a plant-derived flavonoid extracted from the flower buds of Sophora japonica, also known as the Japanese pagoda tree. Our Quercetin Powder contains 95% pure quercetin, extracted via ethanol-based methods to ensure high bioactivity and potency. This natural compound is widely recognized for its role in reducing histamine response, modulating inflammation, and promoting cardiovascular and immune health.

With certifications from HACCP, Halal, Kosher, SGS, and IAF-accredited laboratories, our Quercetin is produced under strict quality standards and complies with international regulations for safety, purity, and efficacy. Suitable for pharmaceutical formulations, dietary supplements, and functional health products, it serves as a trusted raw material for industrial-scale buyers seeking clean-label, potent bioactive ingredients.

Quercetin 95% (Sophora Japonica Extract) Manufacturing Flow:
1.Raw Material Sourcing
We select only premium-grade flower buds of Sophora japonica from trusted supply partners for maximum flavonoid concentration.
2.Cleaning & Pre-Processing
3.The raw materials are thoroughly cleaned and dried to remove impurities and prepare for efficient extraction.
4.Ethanol Extraction
Using food-grade ethanol, quercetin is extracted to ensure high purity and bioavailability while preserving natural activity.
5.Concentration & Purification
6.The extract is concentrated and refined through advanced filtration and separation technology to achieve a minimum of 95% quercetin content.
7.Drying & Powdering
The purified extract is dried under controlled conditions and milled into a fine, uniform powder suitable for industrial applications.
8.Sieving & Standardization
The powder is sieved for consistent particle size and standardized to ensure batch-to-batch consistency in quercetin concentration.
9.Quality Control & Testing
Each batch undergoes third-party testing for purity, flavonoid content, heavy metals, and microbial limits, ensuring compliance with global quality standards.
10.Packaging
Quercetin 95% is packed in moisture-proof, pharmaceutical-grade containers to preserve stability. Custom bulk and retail packaging options are available.

🔹 Certifications
✅ cGMP Certified
✅ HACCP Certified (Hazard Analysis Critical Control Point)
✅ SGS Third-Party Tested
✅ IAF Accredited
✅ Halal Certified
✅ Kosher Certified
✅ Clean Label
✅ Heavy Metals & Pesticide Residue Tested

🔹 Product Highlights
🟡 High-Potency Formula: Contains ≥95% pure quercetin flavonol, ensuring therapeutic-grade quality for pharmaceutical and nutraceutical use.
🌿 Plant-Based & Clean Label: Sourced from Sophora japonica, a botanical extract with no synthetic additives or fillers.
🧪 Third-Party Verified: All batches tested by independent labs to ensure safety, efficacy, and global compliance.
📦 Industrial Bulk Supply: Flexible MOQ and scalable production to suit small businesses and global distributors.
🌍 Global Standards Compliance: Certified Halal, Kosher, SGS-tested, and compliant with cGMP and HACCP guidelines.

 

🔹 Product Benefits
✅ Allergy Relief: Acts as a natural antihistamine and mast cell stabilizer to support seasonal allergy formulas.
✅ Anti-Inflammatory Support: Reduces inflammation and oxidative stress, beneficial for joint, cardiovascular, and immune health.
✅ Antioxidant Protection: Neutralizes free radicals, promoting cellular health and longevity.
✅ Immune Modulation: Enhances immune response and may support antiviral defenses.
✅ Heart Health: Supports healthy blood pressure and cholesterol regulation.
✅ Cognitive Function: May improve focus and reduce brain fog linked to oxidative stress.

🔹 Application Areas
💊 Nutraceuticals & Supplements: Capsules, tablets, soft gels, and powder blends for allergy, heart, or immune support.
🧬 Pharmaceutical Formulations: Used as an active API for anti-inflammatory and antihistamine drug development.
🥤 Functional Foods & Beverages: Incorporated into health drinks, powders, and bars for added antioxidant benefits.
🌿 Sports Nutrition: Used in recovery formulations for inflammation and performance support.
🧴 Cosmeceuticals (Limited Use): Potential in anti-aging skin treatments due to antioxidant properties.

🔹 OEM / ODM Capabilities
🔬 Custom Concentration Levels: Quercetin available in varying purity levels upon request, including combinations with other bioactives.
🧪 Private Formulation Services: Develop bespoke health formulas tailored to your market demands and product goals.
📦 Flexible Packaging Options: Choose from bulk sacks, fiber drums, or branded packaging for retail or industrial use.
🛠️ Turnkey OEM/ODM Solutions: From R&D to finished product, we support complete product development and global fulfillment.

Standard plant extract series

Item No	Product name	Active ingredients	Specification		Item No	Product name	Active ingredients	Specification
1	Ginkgo Biloba Extract	Flavonoids,Lactones	24%,6%		54	Mangosteen Extract	AlphaMangostina	10－90%
2	Shitake Mushroom Extract	Polysaccharides (UV)	30%, 40%,50%		55	RoseHipExtract	Flavones	1-20%
3	Ivy Leaf Extract	Total Hederasaponins	5%-60%		56	Schisandra Berry Extract	Schizandrins	2-9%
4	Ginseng Extract	Ginsenosides	5%-80%		57	Cassia Seed Extract	Anthaquinone	3%
5	Ginger Extract	Gingerols	5%,10%,25%		58	Soybean Extract	soy lsoflavones	40%
6	Rhodiola Rosea Extract	Salidroside, Rosavins	3%-98%,3%		59	Chaga Extract Powder	Polysaccharides	50%
7	Ganoderma Extract	Polysaccharides (UV)	30%,40%,50%		60	Hericium Erinaceus Extract	Polysaccharides	30%
8	Red Clover Extract	Total Isoflavones	8%,10%,20%,40%		61	Trametes Versicolor Extract	Polysaccharides	30%
9	Grape Seed Extract	OPC	95%		62	Cordyceps Militaris Extract	Polysaccharides	30%
10	Turmeric Extract	Curcumin	95%		63	Ginkgo Biloba Extract	Ginkgo Flavonoids	24%
11	Quercetin	Quercetin	95%		64	Angelica Sinensis Extract	Ferulic Acid	1%
12	Rutin	Rutin	95%		65	Eleuthero Extract	Eleutherosides	0.8%
13	Diosmin	Diosmin	90%		66	Gymostemma Extract	Gypenosides	80%
14	Hespridin	Hespridin	90%		67	Hawthorn Extract	Proanihocyanidins	20%
15	Marigold Extract	Lutein / Zeaxanthin	2%-80%		68	Ephedra Extract	Ephedrine	8%
16	Griffonia Simplicifolia Extract	5-HTP	10%－99%		69	Olive Leaf Extract	Oleuropein	20%
17	Kava Extract	Kavalactones	30%,50%,70%		70	Centella Asiatica Extract	Asiaticoside	40%
18	Hawthorn Extract	Flavonoids	2%,50%		71	Calendula Extract	Lutein	5%
19	Hibiscus Flower Extract	Anthocyanins	5%-25%		72	Chamomile Extract	Aigenin	1%
20	Lion’s Mane Mushroom Extract	Polysaccharides (UV)	30%,40%,50%		73	Senna Leaf Extract	Sennosides	20%
21	Maitake Mushroom Extract	Total Sugars (UV)	30%,40%,50%		74	Chicory Extract	lnulin	20%
22	Mangosteen Extract	α-Mangostin	10%-98%		75	Panax Notoginseng Extract	Notognsenosides	5%
23	Apple Cider Vinegar Powder	Apple Cider Vinegar Powder	5%－50%		76	Polygonum Cuspidatum Extract	Resvetrol	10－98%
24	Yucca Extract	Saponins	10%~98%		77	Kudzu root extract	puerarin	15－98%
25	Broccoli Extract	Glucoraphanin	1%-20%		78	Scutellaria Extract	Baicalin	85%
26	Semen Ziziphi Spinosae Extract	Saponins	1%-10%		79	Mulberry Leaf Extract	Sodium copper chlorophylin	99%
27	Echinacea Purpurea Extract	Chicoric Acid	1%-4%		80	Alpha Lipoic Acid	Alpha Lipoic Acid	99%
28	Eucommia Leaf Extract	Chlorogenic Acid	5%-98%		81	Coenzyme Q10	Coenzyme Q10	98%
29	Senna Leaf Extract	Sennosides A+B	6%,8%,10%,20%,30%		82	pymoloquinoine Qunone Diodum(sait pqq)	pymoloquinoine Qunone Diodum(sait pqq)	99%
30	Scutellaria Root Extract	Baicalin	88%		83	B-Nicinamide mononucleotie(NMN)	B-Nicinamide mononucleotie(NMN)	99%
31	Bitter Apricot Extract	Amygdalin	98%		84	Astragalus Extract	Astragalus polysaccharides	5-98%
32	Soapnut Extract	Sapindus Saponins	30%-80%		85	Scutellaria Extract	Scutellaria polysaccharide	30%,50%,70%
33	Pine Bark Extract	OPC	95%		86	Green Tea Extract	Green Tea polyphenols	50－98%
34	Berbcrine Hydrochloride	Berberine Hydrochloride	97%		87	GRAPE SKIN EXTRACT	Resveratrol	5－20%
35	Black Garlic Extract	Allicin	1%-5%		88	Grape Seed Extiact	Proanthocyanidins	95%
36	Centella Asiatica Extract	Asiaticoside	10%-70%		89	Turmeric Extract	Curcumin	95%
37	Aloe Yera GelFreeze Dried Powder	Freeze-Dried Aloe Vera Gel Powder	50:1,100:1,200:1		90	PanaxGinsengExtract	Ginsenosides	10－80%
38	Magnolia Bark Extract	Honokiol	50%-98%		91	Pomegranate Extiact	Ellagic ACid	40－90%
39	Cyanotis Arachnoidea Extract	Ecdysterone	2%-90%		92	Elderberry Extract	Anthocyanidin	1-25%
40	Epimedium Extract	Icariin	1%-98%		93	Passiflora incarnate Extract	Flavone	5%
41	Cactus Extract	Polysaccharides	10%-30%		94	Shiitake Mushroom Extract	Shiitake mushrooms	10－50%
42	Chaga Mushroom Extract	Polysaccharides (UV)	30%, 40%,50%		95	Ganoderma lucidum Extract	Ganoderma lucidum	10－50%
43	Cistanche Desertcola Extract	Total Glycosides	20%-80%		96	white willow Bark extract	Salicin	15－98%
44	Green Tea Extract	EGCG	30%－98%		97	Rhodiola Rosea Extract	Salidroside	1－3%
45	Apple Exttact	Polyphenols	1－70%		98	Marigold Flower Extract	Lutein	5-20%
46	Bilbery Leat Extract	Flavones	1－20%		99	Milk Thistle Extract	Sillymarin	80%
47	Cinnamon Bark Extract	Flavones	1－30%		100	wild Yam Extract	Diosgenin	20－98%
48	Pine Bark Extract Powder	Proanthocyuanidins	95%		101	Echinacea purpurea Extract	Chicory Acid	1－3%
49	Epimedium Extract	ICcarins	1-98%		102	Sophora Japonica Extract	Rutin	95%
50	Grapeseed Extract	CProarthocyanidins	95%		103	Sophora Japonica Extract	Quercetin	95%
51	Goji Extract	Povsaccharides	5-60%		104	Aloe vera Extract	Aloin	20%
52	Rosemary Extract	RosemaryAcid	5%		105	Haematococcus pluvialis Extract	Astaxanthin(Powder/oil)	5%
53	Horsetail Extract	silica	7%		106	Tomato Extract	LYCOPENE(Powder/oil)	5%,10%

 

Frequently Asked Questions (FAQ) for Quercetin 95%

1. What is Quercetin and where does it come from?
Answer: Quercetin is a natural flavonol extracted from Sophora japonica. It is standardized to 95% flavonol content and is widely recognized for its antioxidant, anti-inflammatory, and antihistamine properties.

2. What are the main uses of Quercetin?
Answer: Quercetin is used in allergy relief supplements, immune support formulations, mast cell stabilization products, functional foods, nutraceuticals, and pharmaceutical-grade formulations.

3. What is the purity and quality standard of your Quercetin?
Answer: Our Quercetin is standardized to 95% flavonol content, produced under cGMP and HACCP standards, and certified by SGS, Halal, and Kosher authorities, ensuring high purity and quality.

4. How should Quercetin be used in formulations?
Answer: Quercetin can be incorporated into capsules, tablets, powders, or other functional products. OEM/ODM customization is available to meet specific industrial or pharmaceutical requirements.

5. Is Quercetin safe for consumption?
Answer: Yes, Quercetin is generally recognized as safe when used according to recommended dosages. Compliance with local regulations and dosage guidelines is recommended.

6. What forms of Quercetin do you supply?
Answer: We supply Quercetin as a high-purity powder suitable for functional supplements, nutraceuticals, and pharmaceutical formulations, with bulk packaging and customizable options.

7. Are there any certifications or quality assurances?
Answer: Yes, our Quercetin meets cGMP and HACCP standards, and is certified by SGS, Halal, and Kosher authorities, ensuring safety, purity, and global compliance.

8. Can Quercetin be combined with other ingredients?
Answer: Yes, it is compatible with other vitamins, minerals, herbal extracts, and pharmaceutical compounds. Stability and compatibility testing is recommended for complex formulations.

9. How should Quercetin be stored?
Answer: Store in a cool, dry place, away from direct sunlight and moisture. Proper storage preserves potency and shelf life.

10. Is Quercetin suitable for global markets?
Answer: Yes, our Quercetin powder is produced to international standards and is suitable for markets in Europe, North America, Asia, and the Middle East, meeting regulatory and quality requirements.