Shaanxi LonierHerb Bio-Technology Co., Ltd is one of the most professional manufacturers and suppliers of quercetin dihydrate powder in China, featured by quality products and good price. Please rest assured to wholesale bulk natural quercetin dihydrate powder for sale here from our factory. Contact us for free sample.
What is quercetin dihydrate powder?
Quercetin Dihydrate Powder is a highly bioavailable form of quercetin that is more easily absorbed and utilized by the body than other forms of the compound. This makes it a popular ingredient in dietary supplements and natural health products. Our Quercetin is main from Sophora japonica bud, then processed by modern extraction equipments. It is has relatively low solubility in water, but it is somewhat soluble in ethanol, methanol, and other organic solvents.
Lonierherb Our products are semi-finished raw materials that need further processing, and we do not recommend direct personal use. Please follow your doctor's instructions or formula for the specific dosage or usage.
Quercetin is a type of flavonoid, which is a natural plant pigment that has a range of potentially beneficial effects on human health. Research suggests that it may have anti-inflammatory, antioxidant, and antiviral properties. It has also been studied for its potential role in lowering blood pressure, improving cardiovascular health, reducing symptoms of allergies and asthma, and protecting against certain types of cancer.
While it is generally considered safe when consumed in moderate amounts, it can interact with certain medications, and high doses may cause gastrointestinal upset. As with any dietary supplement, it is important to consult with a healthcare provider before taking quercetin dihydrate, particularly if you have any underlying health conditions or are taking any prescription medications.
Our products is semi-finished raw materials, and mainly suitable for qualified factories, traders and related distribution enterprises, so we do not recommend personal use directly, please kindly be noted.
Products Advantage
√ Natural herb extraction with high quality and safety.
√ High purity active ingredients without visible impurities.
√ Full specifications and custom made for you .
√ High quality and latest batch goods with production date no more than 2 months.
√ Min Order is 1Kg and other smaller package according to your clients.
Specification Sheet
|
Test items |
Specifications |
Test Methods |
|
Assay(on dry product) |
>98% |
UV |
|
>95% |
HPLC |
|
|
Appearance |
Yellow Powder |
Visual |
|
Odor and Taste |
Characteristic |
Organoleptic |
|
Sieve analysis |
90% through 80 mesh |
80 Mesh Screen |
|
Loss on Drying |
≤5.0 % |
105℃/2 hrs |
|
Total Ash |
≤5.0 % |
GB 5009.4-2016 |
|
Sulphated Ashes |
<0.2% |
CP2015 |
|
Bulk Density |
40~60 g/100mL |
GB/T 18798.5 |
|
Tap Density |
60~90g/100mL |
GB/T 18798.5 |
|
Lead (Pb) |
∠3.0mg/kg |
ICP-MS |
|
Arsenic (As) |
∠2.0mg/kg |
ICP-MS |
|
Cadmium (Cd) |
∠1.0mg/kg |
ICP-MS |
|
Mercury (Hg) |
∠0.1mg/kg |
ICP-MS |
|
Total Aerobic Count |
≤ 1000cfu/g |
GB 4789.2 |
|
Yeast and Moulds |
≤ 100cfu/g |
GB 4789.15 |
|
E-Coli |
Negative |
GB 4789.3 |
|
Salmonella |
Negative |
GB 4789.4 |
|
Staphylococcus Aureus |
Negative |
GB 4789.10 |
LonierHerb Supports for you
1) Samples Support : 5~10 g Free Samples for your testing in advance.
2) Service Support : 24 hours professional service for you .
3) Shipment Support : Available stocks , delivery within 2~3 days after confirmation.
4) Freight Support : FedEx, TNT, DHL, UPS and First Class Forwarder
5) Document Support : Technical Data Sheet, Certificate of Analysis, Allergen List, MSDS, Non-GMO Statement, Certificate of Origin and so on.
Bulk Goods

Which food contain quercetin ?
Quercetin is a plant pigment, it is only found in sufficient quantities in vegetables, fruit, herbs, and tea. Meat and dairy don't contain it, so if you want to improve your quercetin intake, you will need to add more greens and fruits to your diet.
The USDA has published details on the content of flavonoids (including quercetin) in various food groups, many of which are nice and easy to incorporate into your daily diet. The details as following:
Vegetables: Capers, yellow, green peppers, onions, shallots, asparagus, broccoli, kale, lettuce.
Fruits: Tomatoes, cherries, red apples, red grapes, blackberries, cranberries, blueberries, raspberries.
Herbs: American elder, St John's wort, Ginkgo biloba.
Tea: Black (various), green.
PS:
Our products are semi-finished raw materials that need further processing, and we do not recommend direct personal use. Please follow your doctor‵s instructions or formula for the specific dosage or usage.

Test Reports
Independent laboratory guarantee each batch are high quality and qualified, of course, we can arrange pure Quercetin Dihydrate Powder Samples to third party, such as Eurofins, SGS, or your designated laboratory before shipment.

Package and Delivery Time

|
By Express |
By Air |
By Sea |
|
Suitable for under 50kg |
Suitable for more than 50kg |
Suitable for more than 500kg |
|
Delivery Time: 2~3 days |
Delivery Time: 3~5 days |
Delivery Time: 5~7 days |
|
High Freight Cost |
Reasonable Freight Cost |
Lower Freight Cost |
|
Door to Door Service |
Airport to Airport Service |
Seaport to Seaport Service |
|
Soonest Shipment |
Fast and Safe Transportation |
Long Transportation Time |
Where can I buy quercetin dihydrate powder?

As one of Quercetin Dihydrate Powder Suppliers in China ,we have manufactured and exported it for many years, high quality, best service and soonest shipments had been recognized, we confident you will be satisfactory as same as our old clients, please contact us today ! Email:info@lonierherb.com or Whatsapp/Wechat:86-17702909819.
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