Free Sample Manufacturer Supply 95% HPLC Quercetin

• Customization: Available
• Certification: ISO, FDA
• Assay Method: HPLC, UV, Gc
• Model NO.: L007
• Application Form: Tablet, Capsule
• Application: Health Care Products, Medicine
• State: Powder
• Extract Source: Sophora Japonica
• Sample: Free Sample
• Stock: Have Stock
• Delivery: 1 Week
• MOQ: 1kg
• Transport Package: 1kg/Bag 25kg/Drum
• Specification: 25kgs/Drum
• Trademark: Nutriherb
• Origin: China
• Production Capacity: 2000kg/Year

Product Description

Product Description

Free Sample Manufacturer Supply 95% HPLC Quercetin 

Quercetin is a potent antioxidant and has anti-inflammatory activity, protecting cellular structures and blood vessels from the damaging effects of free radicals. It improves blood vessel strength. Quercetin inhibits the activity of catechol-O-methyltransferase that breaks down the neurotransmitter norepinephrine. This effect may lead to elevated levels of norepinephrine and an increase in energy expenditure and fat oxidation. It also means quercetin acts as an antihistamine leading to relief of allergies and asthma. As an antioxidant, it reduces LDL cholesterol and offers protection from heart disease.

Basic Information:

Product name: Quercetin
Plant source: Sophora Japonica
Active ingredients:  Quercetin 
Specification: 95% 98% Test by HPLC
Appearance: light yellow fine powder
Testing method: UV/HPLC
CAS #: 117-39-5
Molecular Formula: C15H10O7
Molecular Mass:  302.24 g/mol
Extract Method: Grain alcohol

Function :
 

1. 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.
2. Quercetin is also used to increase endurance and improve athletic performance.
3. Quercetin 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.
4. Quercetin has anticancer activity, inhibits PI3-kinase activity and slightly inhibits PIP Kinase activity, reduces cancer cell growth via type II estrogen receptors.

Application :

Quercetin has a good expectorant, cough, and some asthma, for the treatment of chronic bronchitis. There are also lower blood pressure, increased capillary resistance, reduce capillary fragility, lowering blood pressure, expansion of coronary artery, increase coronary blood flow and so the role of adjuvant therapy for patients with coronary heart disease and high blood pressure.Applied in daily necessities field, aslo added into a large amount of oral cleaning products, such as dentifrices, mouthwash and tooth powder;Applied in pharmaceutical field, because of the function of inhibition and paralysis to sensory nerve endings, it canbe used as counter irritant.

Technical Specification:
 

Item	Specification	Result
Assay (Anhydrous substance)	95.0%-101.5%	95.2%
Appearance	Yellow, crystalline powder	Conforms
Solubility	Practically insoluble in water,Soluble in aqueous alkaline sol.	Conforms
Loss on drying	≤12.0%	10.95%
Sulphated ash	≤0.5%	0.14%
Melting point	305-315°C	310-312°C
Total Heavy Metals	≤10ppm	Conforms
Pb	≤3.0ppm	Conforms
As	≤2.0ppm	Conforms
Hg	≤0.1ppm	Conforms
Cd	≤1.0ppm	Conforms
Microbiological
Total Plate Count	≤1000cfu/g	Conforms
Total Yeast & Mould	≤100cfu/g	Conforms
E. Coli	Negative	Negative
Salmonella	Negative	Negative

Shipping & Storage:

Delivery:Sea/Air Shipping & International Express 
Shipping Time: 2-3 working days after payment 
Package: 1-5kg/Aluminum foil bag, size: 22cm (Width)*32cm (Length)
               15-25kg/Drum, size: 38cm (Diameter)*50cm (Height)
Storage: Kept away from strong light and heat.                                           
Shelf Life: 24 months

Our Service:

1.Free sample 
2.Owning cultivation base as 100% Natural material stable source.
3.Manufacturer direct supply, Powerful R&D team and advanced test center
4.ISO/KOSHER/HALAL/FDA Certificate 
5.Leading plant extract manufacturer in China.
6.No excuse return of goods

Company Profile

The Nutriherb team was established in 2007 and specializes in manufacturing plant extracts. Our company focuses on extracting active ingredients from natural plants for applications in the beauty, health, pharmaceutical, and food industries. With advanced technology and state-of-the-art equipment, we are dedicated to developing and producing high-quality plant extracts.

We prioritize quality management by strictly adhering to GMP (Good Manufacturing Practice) and ISO standards. To ensure our products meet international quality requirements, we collaborate with third-party laboratories for rigorous monitoring and testing.

At Nutriherb, we are committed to providing our customers with superior plant extracts. We also offer customized services to develop personalized solutions tailored to specific customer needs.

Exhibition & Nutriherb Team

 

Our Advantages

 

FAQ

Q1: How to contact with us?
Click the "Contact Supplier" And then send us message the product you interest in, you will get valid reply within TWO hours.

Q2:Which kind of payment terms do you accept?
For small order,you can pay by T/T,or Paypal,nomal order by T/T to our company account

Q3:Can you give me a discount price?
Sure,It depends on your qty.

Q4:How can i get a sample?
free samples is available,but freight charges will be at your account and the charges will be return to you or deduct from your order in the future.

Q5: How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

Q6:How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us,we will send you free goods for replacement or refund your loss.