What is Quercetin dihydrate extract powder 95%?
Quercetin is a natural nutritional ingredient, and its powder form can help people enjoy its rich nutritional value more conveniently. Its powder is made by extracting quercetin and undergoing precise processing. It not only has a strong antioxidant effect, but also promotes the body's metabolism, enhances immunity, and has various effects such as anti-inflammatory, antibacterial, and antiviral.
Foods rich in quercetin mainly include cereals, tea, and drupes. However, substantial food intake is required to fully reap the health benefits of quercetin. The addition of quercetin powder can well supplement the insufficient nutrients and meet people's demand for quercetin.
Quercetin powder can be taken orally or added to the diet. Widely used in fitness, beauty, and other fields. Quercetin can promote fat metabolism, anti-oxidation, improve liver function, lower blood sugar, lower blood lipid, and other effects. At the same time, it also has many benefits such as anti-aging, skin beautification, and heart burden reduction.
In short, quercetin powder is a very high-quality nutritional supplement, and its multiple functions can effectively improve people's physical condition. Therefore, you can use quercetin powder with confidence and enjoy its health benefits.
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Product Name |
Sophora Japonica Extract |
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Appearance |
Yellow Powder |
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Botanical Source |
Sophorae Japonica |
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Active ingredient |
Quercetin Dihydrate 95% |
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Used Part |
Flower |
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Solvent Used |
Ethanol/Water |
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Packaging and storage |
1) Sample-packing: Good polyethylene bag, wrapped with aluminum foil bag and kept sealing. 2) Production-packing: 25kg/drum and in paper-drum (D35cm*H51cm) and polyethylene bag inside 3) Storage: Air-tight original sealed container, low relative humidity, and dark lights |
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Specification |
98% Honokiol, 98% Magnolol, 98% Honokiol +Magnolol |

Products COA
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Product Name: Granulated Quercetin Anhydrous Botanical source: Sophorae Japonica L. Report Date: Aug.19th, 2023 Expiry Date: Aug.18th, 2025 |
Batch No.:20230814 Part of plant used: Buds Manufacture Date: Aug.19th, 2023 Batch Quantity:1000kg |
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TEST |
SPECIFICATION |
RESULTS |
Test Method |
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Appearance |
Yellow particles |
Complies |
Visual |
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Identification |
Must positive |
Positive |
Infrared Absorption |
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Melting point |
305℃-315℃ |
310℃ |
Melting point Apparatus |
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Particle size |
100% pass-through Sieve # 30 mesh, Less |
Complies |
US Screen |
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than 20% pass through Sieve # 80 mesh. |
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Reducing sugars |
Not be detected |
Not detected |
Chemical reaction |
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Sulfate |
≤1000ppm |
<1000ppm |
AJ192 |
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Chloride |
≤1000ppm |
<1000ppm |
AJ192 |
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Bulk density |
≥0.40gm/cc |
0.45gm/cc |
CP2010 |
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Tapped Density |
≥0.60gm/cc |
0.64gm/cc |
CP2010 |
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Heavy metals |
≤10ppm |
<10ppm |
Visual Colorimetry |
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Ash |
≤1.0% |
0.24% |
CP2010 |
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Loss on drying |
≤5.0% |
3.73% |
120℃ |
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Assay by HPLC |
≥95.0% |
95.05% |
HPLC |
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Microbiological test: |
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Total plate count |
≤1000cfu/g |
<10cfu/g |
AOAC966.23 |
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Mildew & Yeast |
≤100cfu/g |
<10cfu/g |
FDABAM8th |
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E.Coli |
Negative |
Negative |
FDABAM8th |
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Salmonella |
Negative |
Negative |
FDABAM8th |
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Coliforms |
≤10cfu/g |
<10cfu/g |
AOAC911.14 |
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Arsenic,Mercury,Cadmium,Lead about Sophorae Japonica (The starting material of Granulated Quercetin Anhydrous ) is below: |
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-Arsenic |
≤1ppm |
<1ppm |
AAS |
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-Mercury |
≤0.1ppm |
<0.1ppm |
AAS |
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-Cadmium |
≤1ppm |
<1ppm |
AAS |
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-Lead |
≤3ppm |
<3ppm |
AAS |
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Residual Solvent |
Meets the requirements of USP. |
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Pesticide Screen |
Meets the Requirements of USP. |
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GMO/BSE Status |
Not genetically modified organisms. Free of BSE. |
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Storage |
Store in tight containers, in a cool dry area. |
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What is the difference between quercetin granules and powder?
The first is how quercetin is prepared. Quercetin granules are produced by mixing quercetin with other excipients and then compressing, usually with higher purity and stability. Quercetin powder is made by grinding quercetin into a fine powder, but its purity and quality are relatively unstable, and it is easily affected by the external environment to reduce its efficacy.
The second is the difference in the way of consumption. Quercetin granules generally need to be taken with water or after meals for better absorption and efficacy. Quercetin powder can be taken in a variety of ways, such as adding directly to drinks, eating with food, etc. However, it should be noted that when taking quercetin powder, it needs to be used according to the instructions for use, and it is not allowed to overdose without permission, otherwise, it will cause damage to the body.
Overall, quercetin granules and powder differ primarily in how they are prepared and how they are taken. Different forms are suitable for different people and different purposes. In either form, quercetin is an invaluable nutrient that can help boost your immune system and protect your health. Therefore, we need to choose the form that suits us to take quercetin while understanding the difference, in order to obtain better health effects.
What is the function of quercetin dihydrate extract powder 95%?

Quercetin is a natural plant compound that has a variety of benefits and medicinal properties. It is mainly used in the following aspects.
First, quercetin can act as a potent antioxidant that can scavenge free radical damage in cells and protect cells from oxidative damage. In addition, quercetin can also enhance the function of the immune system and improve the body's immunity.
Second, quercetin has an important protective effect on the cardiovascular system. Studies have shown that quercetin can lower blood lipids, reduce blood viscosity, and prevent the occurrence of cardiovascular diseases; at the same time, quercetin also has the effects of expanding blood vessels, lowering blood pressure, and reducing heart load, which helps to protect heart health.
In addition, quercetin also has anti-inflammatory, antibacterial, anti-tumor, and many other effects, which can help treat many diseases. For example, quercetin can relieve inflammation and relieve joint pain; it can inhibit the growth and spread of tumor cells.
In general, quercetin is a very important natural active substance with a wide range of applications. In the future, people will discover more efficacy and functions of quercetin, which will bring more benefits to human health.
Application
Quercetin has a good expectorant, cough, and some asthma, for the treatment of chronic bronchitis.
There are also lower blood pressure, increased capillary resistance, reduced capillary fragility, lowering blood pressure, expansion of coronary artery, increased coronary blood flow and so the role of adjuvant therapy for patients with coronary heart disease and high blood pressure.
Applied in the daily necessities field, also added to a large number of oral cleaning products, such as dentifrices, mouthwash, and tooth powder;
Applied in the pharmaceutical field, because of the function of inhibition and paralysis to sensory nerve endings, it can be used as a counter-irritant.
Shipment&Payment
Delivery
DHL/FEDEX /EMS /E-PACKET / BY AIR / BY SEA
≤50kg, Express delivery ( DHL / FEDEX ) is recommended, usually called DDU service.
≤500kg, Air shipping recommended, usually called CIF service.
>500kg, sea shipping recommended, usually called FOB, CFR, or CIF service.
For high-value products, please select air shipping and express delivery for safety.

Payment
For Sample Orders: Paypal, WestUnion, UnionPay, T/T, and Alibaba's Escrow Service are acceptable.
For Large Order: T/T, L/C

Why Choose Us
*24 Hours Responce.
*Strong R&D Team and Technical Service.
*One-Stop/Package Service.
*More than 15 years in the chemical raw material field.
*Professional Marketing Team.
*Flexible Payment Terms and Flexible MOQ.
*Strict release procedures.
*On-time delivery.
FAQ
1:Can I get some samples before the bulk order?
Most products provide free samples, but the shipping cost is paid by customers.
2: What's your MOQ?
For the high-value product, our MOQ starts from 10g,100g, and 1kg.
3: Which kind of payment terms do you accept?
PI will be sent first after confirmation of the order, enclosed is our bank information. Payment by T/T, Western Union, L/C.
4. How to place an order?
You can contact me through Online Chat, WhatsApp, Skype Online, Email, and other contact methods, tell me the product and quantity you need, and then we will give you a quote. If you choose one of the above payment methods, we will arrange the delivery for you.
5: How about your delivery time?
A: Generally, it will take 5 to 7 days after receiving your advance payment.
6:How do you treat quality complaints?
A: First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
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