quercetin powder

Why Choose Us As Your Quercetin Powder Supplier?

Quercetin Powder, our factory uses Sophora japonica as raw material to extract quercetin. Quercetin has good effects of lowering blood pressure, enhancing capillary resistance, reducing capillary fragility, lowering blood lipids, dilating coronary arteries, and increasing coronary blood flow. We are committed to promoting quercetin dihydrate powder and provide free samples to customers. If you are looking for high-quality quercetin, we must be your best choice.

We are committed to providing you with high-quality quercetin powder. Rebecca bio's quercetin is strictly controlled from the selection of raw materials to the packaging of powder products. The quercetin we supply has strong anti-tumor and tumor prevention effects. Quercetin is widely used in the fields of medicine, health care and cosmetics.

If you are interested in our products, you can contact us by email information@sxrebecca.com.

Certificate of Analysis

6151-25-3 （Quercetin Dihydrate）COA

What Are The Plant Sources of Quercetin Powder?

Quercetin is a flavonol compound with a wide distribution in the plant kingdom and has multiple biological activities. It is present in many vegetables and fruits, such as acai berries, broccoli and apples, and also in foods such as tea, red wine, olive oil and propolis. Among them, it is found in Sophora japonica, buckwheat stems and leaves, sea buckthorn, hawthorn, and onions at higher levels.

What Effects Does Quercetin Powder Have On The Human Body?

As the most common flavonoid compound, quercetin has multiple biological activities and can resist oxidation, playing an important role in the clinical treatment of cardiovascular diseases.
1. Antioxidant function
Quercetin not only participates in in vitro antioxidant function and can inhibit DNA oxidative damage, but also protects tissues from oxidative damage in vivo by reducing the concentration of peroxides in tissues.
2. Anti-lesion
Quercetin Powder bulk can effectively inhibit the production of free radicals.
Its flavonoid components such as quercetin can significantly reduce the incidence of pathological bodies and directly inhibit the growth of pathological cells.
3. Protect cardiovascular
The major effect of quercetin is to protect cardiovascular. It is mainly reflected in five aspects: dilation of blood vessels, lowering blood pressure; prevention and treatment of coronary heart disease: through animal experiments, it has also been found to reduce the incidence and mortality of myocardial infarction and the function of lowering blood sugar; reduce myocardial hypertrophy; inhibit the proliferation and hypertrophy of vascular smooth muscle cells; anti-thrombosis.
4. Neuroprotective, anti-inflammatory and antiviral effects.
4.1 Anti-inflammatory effect: When the human immune system fights against bacterial invasion, lipopolysaccharide (LPS) can cause the body's immune response and inflammatory response. Some studies have shown that quercetin has an inhibitory effect on the inflammatory response caused by LPS.
4.2 Antibacterial effect: It is also a broad-spectrum antibacterial substance that can be used to prevent and treat various bacterial infectious diseases.
4.3 Antiviral effect: It can fight against a variety of viruses, such as HIV virus, anti-sarcoma virus, human herpes simplex virus, parainfluenza virus type 3 (Pf-3), and respiratory syncytial virus (RSV).

What Are The Applications of Quercetin Powder?

Quercetin has a wide range of applications, covering cosmetics and medicine.

Cosmetic ingredients: In the cosmetics industry, the application of Quercetin 95% is also becoming more and more extensive. It can be used in sunscreen cosmetics, and can be used with kojic acid to enhance the stability of kojic acid; it can be used as a hair dye in combination with metal ions, and is a good skin care ingredient. In addition, quercetin can also be used as a hair growth agent and skin oily remover.

Medical field: The application of Quercetin 98%  in the medical field is mainly reflected in its anti-inflammatory, antiviral, and anti-tumor effects. For example, it can inhibit the activity of cyclooxygenase-2 (COX-2), thereby exerting an anti-inflammatory effect; it can also exert an anti-tumor effect by inducing apoptosis of cancer cells and inhibiting their proliferation.

Quality Control

Shaanxi Rebecca Bio-Tech adheres to strict quality control measures throughout the production process. Our advanced testing facilities ensure that all products, including our powder, meet international quality standards. We carry out regular inspections, including:

Raw material quality checks

In-process testing

Final product testing

What Is The Packaging of The Product Like?

For powder products, we usually send the products together with cartons or fiber drums.For liquid products, we usually send the product together with a plastic.

Our packaging methods are 1 kg/aluminum bag, 25 kg/box, and 25 kg/barrel. For some products that require special packaging during transportation, we will carry out more detailed packaging.

How Do You Receive Your Goods?

We support shipping by air, sea, FedEx, DHL, TNT, EMS, UPS, SF, and other carrier.

What Can We Provide for You?

At Shaanxi Rebecca Bio-Tech, customer satisfaction is our top priority. We offer excellent after-sales support, including:

Assistance with product applications

Technical support for formula design and production processes

Post-shipment follow-ups to ensure product quality

Solutions to any questions or issues regarding the product

How to Contact Us?

For more information about our quercetin powder or to place an order, feel free to contact us at information@sxrebecca.com. We look forward to helping you improve the health and vitality of your customers with our premium, natural products.