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Quercetin Sophora Japonica Extract
Basic Info

Model No.: Quercetin

Product Description               Quercetin Dihydrate 98% UV/95%HPLC  

TEST

SPECIFICATION

RESULTS

Test Method

Appearance

yellow powder

Complies

Visual

Odor & Taste

Characteristic

Characteristic

Organoleptic

Identification

Must positive

Positive

Infrared Absorption

Melting point

305°C-315°C

311°C

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°C/3h

Assay by HPLC

Assay by UV

≥95.0%

≥98.0%

95.82%

98.3

HPLC

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

            ♦  Quotation will be sent within 24 hours.   ♦ Well-trained & experienced staff to deal with your problems ♦ Confidential to your business.   ♦ With us your money in safe and your business in safe. ♦  After-sales service ,you can contact us if any problem in manufacturing process.  ♦ We accept goods-return or exchange if our products unqualified.       ♦Strict testing process and some of products can be tested by Third Party.   ♦  Due to most herbal extracts are enterprise standard, we advise to send sample for testing before you place commercial order. ♦  If the sample quality is confirmed by you, we will also send you pre-shipment sample after your commercial order. If your test result is different from us, we will exchange the sample until it is confirmed by you. ♦  As for packages, pls kindly check it and let us know if the wrong products/quality problem/quantity short. ♦  As for Certificates, most of herbal extracts are non-GMP. so we advise you define the product quality based on sample testing.                        

Contact us if you need more details on Quercetin Sophora Japonica Extract. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Quercetin、Quercetin Sophora Japonica Extract. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Plant Extract > Other Plant Extract

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