Quercetin powder

Plant Source: Platycladus Orientalis
Extract Source:100% Natural
Origin:China
CAS Number: 508-02-1
Specification:  1%5%10%quercetin
Test Method: HPLC
Appearance: Brown Yellow Powder
Certifications: ISO, HACCP, HALAL, KOSHER, Technical Invention Patent Certificate
Applications: Health Care Products, Medicine, Cosmetics
Lead time: 1-3 days
Shelf Life: Two years
Storage: Store in a well-closed container away from moisture and direct sunlight.Keep in cool dry place
Payment: Multiple terms acceptable like T/T, L/C, DA
Sample: Free sample available
KINTAI's Advantage: 100,000 level clean production workshop, Non-additive, Non-GMO, Non-Irradiated/treat by heat only.
  • Fast Delievery
  • Quality Assurance
  • 24/7 Customer Service

Product Introduction

Quercetin powder supplier

Kintai Quercetin powder is a substance extracted from the dried branches and leaves of Platycodon grandiflorus. Its raw materials mainly come from multiple provinces in China, where the climate and natural environment provide suitable conditions for the growth of Platycodon grandiflorus, ensuring a rich supply of raw materials. At present, it is mainly used in the fields of cosmetics, healthcare, and pharmaceuticals.

Quercetin powder is one of Kintai's popular products. HealthKintai ® We are a company specializing in the plant extract industry, with a large professional factory and R&D team, which can provide you with high-quality quercetin powder.Please feel free to contact us if you need high-quality quercetin powder.

Kintai Quercetin Specification

Specification

Main Applications

Extraction Source

1%Quercitrin

Pharmaceutical/Health Products/Cosmetics

leaves of Platycodon grandiflorus

5%Quercitrin

Pharmaceutical/Health Products/Cosmetics

leaves of Platycodon grandiflorus

10%Quercitrin

Pharmaceutical/Health Products/Cosmetics

leaves of Platycodon grandiflorus

Kintai Quercetin powder Production process flow

Crush→ Remove impurities → Dry → Acidic extraction → Filter → Make alkaline → Filter → Dissolve in ethanol → Filter → Concentrate → Dry → Crush extract.

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Quercetin powder Chemical & Physical Properties

Property

Description

Chemical Composition

Flavonoids (quercetin), tannins, terpenes

Solubility

- Water: Partially soluble (better in hot water)
- Ethanol/Alcohol: Highly soluble
- Oil: Poorly soluble (unless emulsified)

Appearance

Brown to yellow-brown powder

Odor

Characteristic herbal, slightly woody aroma.

Stability

Sensitive to UV light and oxidation; stable at room temperature if stored in airtight, dark containers.

Quercetin powder Dosage

Purpose

Typical Dosage Range (per day)

 Notes

General Health & Antioxidant Support

250 mg - 500 mg

Often taken to complement a healthy diet. A good starting point for overall wellness.

Seasonal Allergy & Immune Support

500 mg - 1000 mg

Commonly used during allergy season. Often paired with Vitamin C or Bromelain for enhanced absorption and effect.

Exercise Performance & Recovery

500 mg - 1000 mg

Some studies use higher doses (up to 1000-1250 mg) to reduce exercise-induced inflammation.


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Safty of Quercetin

Quercetin is generally considered safe for most people when consumed in amounts commonly found in food and as a dietary supplement for short periods. The most common side effects, typically associated with high doses (over 1,000 mg per day), are mild and include headache, stomach upset, and tingling sensations.

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However, significant safety concerns involve potential drug interactions. Quercetin may inhibit enzymes that metabolize certain prescription drugs, potentially altering their effectiveness. It can enhance the effect of blood thinners like warfarin, increasing bleeding risk, and may interfere with the absorption of some antibiotics. Due to limited safety data, pregnant and breastfeeding women and individuals with kidney disease should avoid supplementation. Consulting a healthcare provider before use is crucial, especially for those on medication.

Quercetin 's Benefits

The most significant advantage of Quercetin powder is its excellent antioxidant capacity. As a highly effective natural antioxidant in nature, it can efficiently neutralize free radicals in the human body and reduce oxidative stress damage to cellular DNA, proteins, and lipids. This protective effect at the molecular level is the basis for delaying cellular aging and reducing the risk of various chronic diseases, earning it the reputation of a "natural antioxidant star".

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Secondly, it has strong anti-inflammatory properties. Quercetin can effectively inhibit the production and activity of various pro-inflammatory factors in the body, such as cytokines and prostaglandins, thereby intervening in the inflammatory response from the source. This characteristic makes it not only outstanding in relieving seasonal allergies and post exercise muscle inflammation, but also demonstrates enormous health potential in addressing modern diseases driven by chronic inflammation, such as cardiovascular problems.

Quercetin's Applications

1. in the field of dietary supplementation and health care

It is the most widely used application scenario for Quercetin powder . It is made into various capsules or powder supplements, mainly used to enhance immunity and resist seasonal allergies. Many people relieve symptoms such as hay fever by taking it, and the principle is that quercetin can stabilize immune cells and reduce histamine release. In addition, sports enthusiasts are also concerned about the potential benefits of reducing muscle soreness and inflammation after exercise.

2.in the field of pharmaceutical research and development

The application of quercetin is more forward-looking and profound. A large amount of basic research is exploring its molecular mechanisms in cardiovascular health, metabolic health, and neuroprotection. Although many achievements are still in the research stage, it demonstrates enormous potential as a future adjuvant therapy drug.​​​​​​​​​​​​​​

3.In the field of cosmetics and skincare

Quercetin has become an efficient natural skincare ingredient due to its excellent antioxidant capacity. It is added to essence, face cream and other products to neutralize free radicals generated by ultraviolet rays, reduce oxidative stress, thus helping to delay skin photoaging, reduce wrinkles and brighten skin tone, playing a role in protecting skin and anti-aging.

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Why Choose Platycladus Orientalis Extract powder by Kintaihealth®?

Natural Safety: Selected high-quality Platycladus Orientalis, without adding harmful chemicals, and certified for international safety.

OEM&ODM Service: supports personalized customization to meet different product development needs.

Professional Support: We have a professional R&D team to ensure excellent product quality.

 About Kintai

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Kintai manufacturing base

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Kintai R&D center

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Kintai factory

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