[Latin Name] Sophora Japonica L

[Plant Source] from China

[Specifications] 90%-99%

[Appearance] Yellow crystalline powder

Plant Part Used:Bud

[Particle size] 80 Mesh

[Loss on drying] ≤12.0%

[Heavy Metal] ≤10PPM

[Storage] Store in cool & dry area, keep away from the direct light and heat.

[Shelf life] 24 Months

[Package] Packed in paper-drums and two plastic-bags inside.

[Net weight] 25kgs/drum

Brief Introduction

Quercetin is a plant pigment (flavonoid). It is found in many plants and foods, such as red wine, onions, green tea, apples, berries, Ginkgo biloba, St. John’s wort, American elder, and others. Buckwheat tea has a large amount of quercetin. People use quercetin as a medicine.

Quercetin is used for treating conditions of the heart and blood vessels including “hardening of the arteries” (atherosclerosis), high cholesterol, heart disease, and circulation problems. It is also used for diabetes, cataracts, hay fever, peptic ulcer, schizophrenia, inflammation, asthma, gout, viral infections, chronic fatigue syndrome (CFS), preventing cancer, and for treating chronic infections of the prostate. Quercetin is also used to increase endurance and improve athletic performance.

Main Function

1.Quercetin may expel phlegm and arrest coughing, it can also be used as anti-asthmatic.

2. Quercetin has anticancer activity, inhibits PI3-kinase activity and slightly inhibits PIP Kinase activity, reduces cancer cell growth via type II estrogen receptors.

3.Quercetin may inhibit histamine release from basophils and mast cells.

4. Quercetin may control the spread of certain viruses within the body.

5, Quercetin may help reduce tissue destruction.

6.Quercetin may also be beneficial in the treatment of dysentery, gout, and psoriasis

Manufacturing Excellence: The Building Blocks of a Better Supplement
By David Baker

To average people, grapeseed extract is just that—anything pulled from the seeds of grapes.

To scientists in the labs of USANA Health Sciences, grapeseed extract is a complex mixture of organic compounds containing 80–90 percent phenols (also known as proanthocyanidins) and 10–15 percent monomer content.

At least that’s what good grapeseed extract is. If you’ve spent years testing different products, like Dr. Mark Brown, USANA’s director of product chemistry, you know the importance of knowing the good grapeseed extract from the bad.

In his time with USANA, Brown has seen the bad—samples from prospective suppliers that contain less than five percent phenols and no monomers.

“It really makes you wonder, ‘What is grapeseed extract from these people?’” said Brown, an organic chemist by trade. “Usually, what you pay for is what you get.”

The material USANA purchases is on the high end of the price spectrum, but Brown says it’s well worth it because the extract contains greater than 80 percent phenols and has monomer content of about 10 or 15 percent. USANA has been using the product for almost 20 years now, with great results.

“It would be tempting to change and save some money,” Brown said. “But we just don’t work like that.”

The way USANA does work is going above and beyond to make sure the products that bear the company name are the highest-quality nutritional supplements on the market. That starts with purchasing the very best raw materials. But it also means testing every lot of those materials to make sure they’re pure, potent, and worthy of Dr. Wentz’ signature.

Raw material testing starts when shipments enter the building. Quality assurance inspectors check paperwork and perform a visual inspection for shipping damage. From there, a gowned employee, working in a clean room with HEPA filtered air, uses written protocol to collect a representative sample to send to the lab.

Each sample goes through testing for microbiological contamination, like yeast, mold, and bacteria. There are also identification tests to make sure the vitamin B12 you ordered is, in fact, vitamin B12. Potency and physical testing is also done.

Most ingredients then go through specific testing to ensure they meet United States Pharmacopeia (USP) standards for things like purity, solubility, and density. Depending on the product and active ingredient, more tests for pesticides or heavy metals may be done.

“Most people will buy a material, and it will come with a piece of paper that’s called a Certificate of Analysis,” said Dr. John Cuomo, USANA’s executive director of research and development. “They’ll file that Certificate of Analysis away and say, ‘This is what we use. Here’s a piece of paper.’

“We’ve found that sometime you get a piece of paper from companies that actually makes sense, and sometimes they’re just a piece of paper—and worth about as much as a piece of paper.”

The Food and Drug Administration (FDA) guidelines for nutritional supplements hold the manufacturer of a finished product responsible for assuring the material used was the correct material. But that doesn’t mean manufacturers are required to do full testing on every lot of raw materials.

USANA does. Every lot of every raw material is tested. This isn’t the industry standard, but it’s the USANA standard.

Tell us what you think about this Manufacturing Excellence series at usanatoday@us.usana.com.

Watch this video about USANA’s raw materials.

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Learn The best way to treat natural hemorrhoid treatment apple cider vinegar

Hemorrhoids are inflamed veins positioned around the lower rectum or anus. External hemorrhoids develop under the epidermis around the anus. Internal hemorrhoids are located in the lower anus. Internal hemorrhoids can cause significant pain since they typically prolapse or extend out through the anus. A frequent sign of internal hemorrhoids is blood in the stool and is commonly accompanied with pain, discomfort and itching in the anal area.

Witch Hazel:Witch Hazel is effective in alleviating itching triggered by hemorrhoids. Witch Hazel is typically put on with a cotton pad although there are witch hazel sprays that are user-friendly and uncomplicated. The sprays usually contain proanthocyanidins that are believed to build up the vein walls.

The 24 hour treatment for hemorrhoids that works well to reduce these types of very painful tissues is apple cider vinegar. Hemorrhoids affect about fifty percent the over-50 population at one time or another, with most people lacking severe enough hemorrhoids to warrant a visit to the doctor’s office or the need for surgical treatment or other serious treatment options. The great thing about trying apple cider vinegar is that you can do it in the privacy of the individual’s own residence, demonstrates fast benefits and is one of the most economical treatments to apply whenever a case of hemorrhoids hits.

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