Product Description   Product Description                                                                                                                                             Quercetin is a flavonol found in sophora japonica buds and other fruits and leaves. It can be used as an ingredient in supplements, beverages or food . Name : Quercetin Synonym : 3,3',4',5,7-Pentahydroxyflavone; 2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-4H-chromen-4-ones : 3,3',4',5,7-Pentahydroxyflavone; 2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-4H-chromen-4-one Molecular Structuer : Molecular Formula : C15H10O7 Molecular Weight : 302.24 CAS Registry Number : 117-39-5 EINECS : 204-187-1 Product Analysis                                                                                                                                             

TEST	Specification	RESULTS	Test Method
Appearance	yellow powder	Complies	Visual
Odor & Taste	Characteristic	Characteristic	Organoleptic
Identification	Must positive	Positive	Infrared Absorption
Melting point	305℃-315℃	311℃	Melting point Apparatus
Particle size	95% pass through 80mesh	Complies	US Screen
Bulk density	≥0.20gm/cc	0.27gm/cc	CP2010
Tapped density	≥0.30gm/cc	0.38gm/cc	CP2010
Heavy metals	≤10ppm	<10ppm	Visual Colorimetry
-Arsenic	≤1ppm	<1ppm	AAS
-Mercury	≤0.1ppm	<0.1ppm	AAS
-Cadmium	≤1ppm	<1ppm	AAS
-Lead	≤3ppm	<3ppm	AAS
Ash	≤0.30%	0.20%	CP2010
Loss on drying	≤12.0%	10.52%	120℃/3h
Assay by HPLC	≥95.0%	95.82%	HPLC
Assay by UV	≥98.0%	98.3%	UV
Microbiological test(Heat temperature Sterilization)
Total plate count	≤1000cfu/g	100cfu/g	AOAC966.23
Mildew&Yeast	≤100cfu/g	20cfu/g	FDABAM8th
E.Coli	Negative	Negative	FDABAM8th
Salmonella	Negative	Negative	FDABAM8th
Coliforms	≤10cfu/g	<10cfu/g	AOAC911.14
GMO/BSE Status	Not genetically modified organism .Free of BSE
Storage	Store in tight containers,in a cool dry area.

    Function & Application                                                                                                                                       1. Supports Normal Respiratory Health. 2. Supports Cardiovascular Health 3. Promotes Balanced Blood Pressure 4. Offers Protection Against Stress 5. Offers Nutritional Support for Overall Health 6. Possesses potent antioxidants Package & Shipping                                                                                                                        Packaging Details:    1kg/Aluminum foil  bag; 25kg/Drum Delivery Details:   within 3 days Storage:  Keep in dry place Shipping details: DHL;TNT;FEDEX or EMS       Why choose US? 1. We has 8 years’ exporting experience in active pharmaceutical ingredient products.  Our professional and thoughtful after-sales service eliminates your worries.   2.We can provide you with thousands of products of different levels.   3. We offer convenient one-station purchasing service.    4. After an order is placed, when to deliver? It depends on whether the products you buy has inventory. If we have inventory, generally we can arrange shipment after receipt of payment 2 to 3 days. If not, it will be decided by the time of the factory production.   N&R INDUSTRIES,INC
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