Quercetin Covid
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Quercetin Covid

  • Yangge
  • COA-Quercetin dihydrate.doc
  • Quercetin
  • Flower
  • Sophora Japonica Extract
  • 98%
  • HPLC
  • Yellow Green powder

Sophora japonica Extract Quercetin

Quercetin, a natural compound tied to what all of us seek: better longevity, heart health, endurance, immune system and more.Quercetin is a type of flavonoid antioxidant that’s found in plant foods, including leafy greens, tomatoes, berries and broccoli.

It’s technically considered a “plant pigment,” which is exactly why it’s found in deeply colored, nutrient-packed fruits and veggies. quercetin plays an important part in fighting free radical damage, the effects of aging and inflammation.

Quercetin supplement mix

Quercetin is one of the six flavonoids. Its name has been around for a long time. People began to use this name in 1857. It originally referred to an ingredient extracted from the oak tree, which was a plant hormone transport inhibitor. The International Union of Theoretical and Applied Chemistry (IUPAC) named quercetin as 3,31,41,5,7-pentahydroxyflavone, which means that the 3rd, 5th, 7th, 31st and 41st positions of quercetin are all Attached to a hydroxyl group.

quercetin source-yanggebiotech

Quercetin extraction method

Quercetin is a flavonol compound with a variety of biological activities.

Quercetin is soluble in hot ethanol (1:23), cold ethanol (1:300), soluble in methanol, ethyl acetate, glacial acetic acid, pyridine, etc., insoluble in petroleum ether, benzene, ether, chloroform.


Product Name:
Quercetin Dihydrate / Quercetin Extract
Botanical Source:
Sophora japonica L. Bark
Quercetin 98%
Quercetin dihydrate 95%HPLC
Yellow powder
Shelf Life:
24 moths
25kg/Fiber Drum
1. Quercetin powder is mainly used in oils, beverages, cold drinks and meat products.
2. Healthcare supplement

Quercetin supplement mix (Function)

1. Quercetin: Anti-aging skin care products

2. Quercetin+Resveratrol: Cancer Treatment

3. Quercetin + Vitamin C: Prevent muscle strain

4. Quercetin gel+Chlorogenic acid: weight management.

5. Quercetin + curcumin + piperine: prevent diabetes and obesity.

6. Quercetin +Green tea extract: treatment of prostate disease.

7. Quercetin + cinnamon + licorice extract: resist degenerative brain diseases.

Quercetin benefits

Quercetin side effects

The side effects of quercetin usually occur soon after high-dose intake, especially acid reflux is the most common. Taking quercetin during or immediately after a meal can effectively avoid such minor side effects. Other negative effects that quercetin can cause include increased inflammation in the body. Although antioxidants can protect the body from inflammation, large doses can easily cause adverse effects and induce inflammation. Joint pain and stiffness are common manifestations of this side effect.

Quercetin extract price

Sophora japonica extract 1000kg in stock for each product, offer OEM service, free sample。quercetin bulk powder ISO/Kosher/Halal/Haccp/SC, 3-15 days for mass production.Custom Fabrication,Wohlesale Pricing,Easy Quote.

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  Quercetin supplement

  1. Quercetin+Resveratrol: Cancer Treatment

  Quercetin is also a powerful antioxidant, reaching the highest natural content in capers, berries, fruits, vegetables and green leafy vegetables. Resveratrol is a natural compound found in foods such as grapes, red wine, green tea, some fruits, berries and dark chocolate. Improve the efficacy of anticancer drugs after combining high levels of resveratrol and quercetin.

  2. Quercetin: Anti-aging skin care products

  Korres has recently developed an anti-aging series of products based on quercetin and oak extract. This product has the effect of reducing wrinkles, firming the skin, restoring skin elasticity, and moisturizing the skin. The product adds oak extract to firm and plump the skin and promote the proliferation of collagen and elastin. Quercetin in this product is based on its antioxidant effect. It is said that it can catalyze the proteases in the cells, thereby greatly improving the function of skin cells.

  3. Quercetin + Vitamin C: Prevent muscle strain

  Researchers from Iran’s Isfahan Food Science Research Center recently published their research results in "Medical Science". For men and women who exercise regularly, amino acids are often chosen as supplements during exercise to help exercise. However, the research team found that if athletes may face muscle strain, the antioxidants quercetin and vitamin C may play a preventive role in the first place.

  4. Quercetin gel+Chlorogenic acid: weight management

  Phytocéane recently launched a new weight loss gel product that can target fat cells to achieve the goal of weight loss. The main ingredient added to the product is a formula containing chlorogenic acid and quercetin. This formula can limit the amount of carbohydrates entering fat cells during sleep, thereby inhibiting the production of new fat. At the same time, the new formula can also degrade fat cell walls and better promote the burning of fat cells.

  5. Quercetin + curcumin + piperine: prevent diabetes and obesity

  Curcumin is a natural pigment contained in turmeric. It has antioxidant and anti-inflammatory properties. Studies have confirmed that it has a variety of health benefits. However, the curcumin in turmeric has very low bioavailability in the body, which prevents curcumin from exerting its health benefits. To solve this problem, yanggebiotech researchers combined curcumin with onion scalp extract quercetin and black pepper extract piperine to improve the body's utilization of curcumin. Laboratory studies have shown that the combined use of curcumin, piperine and quercetin can control blood sugar levels and control body weight, cholesterol, triglycerides and low-density lipoprotein (LDL) levels.

  6. Quercetin +Green tea extract: treatment of prostate disease

  The powerful antioxidant flavonoids in green tea can induce apoptosis of cancer cells, thereby helping to fight cancer. However, the latest research from the University of California, Los Angeles shows that the combination of green tea extract and quercetin has a better anti-cancer effect. Quercetin can increase the content of green tea polyphenols in cancer cells and reduce the methylation of anti-cancer components of green tea, thereby improving the effect of green tea components.

  7. Quercetin + cinnamon + licorice extract: resist degenerative brain diseases

  The product mainly contains 5 natural ingredients, including selenium, Baihao Yinzhen extract, quercetin, cinnamon extract and licorice extract. Among the products on the market that have the same claims as these two products, only these two products are made of natural ingredients. It should be noted that the formula of Novirin and Gene-Eden-VIR is the same, but the former is of higher quality and more expensive.

Flow chart of Quercetin production process:

Flow chart of Quercetin production process

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