Product Name:

Quercetin

Botanical Source: 

Sophora japonica L.

ANALYSIS

SPECIFCATION

RESULTS

Appearance

Yellow powder

Complies

Odor

Characteristic

Complies

Assay(HPLC)

≥98%

98.14%

Sieve Analysis

100% pass 80 mesh

Complies

Loss on Drying

Residue on Ignition

≤5.0%

≤5.0%

2.89%

2.55%

Heavy Metal

<20ppm

Complies

Arsenic (As)

<0.5ppm

Complies

Lead (Pb)

Cadmium(Cd)

Mercury(Hg)

<0.5ppm

<0.05ppm

Not Detected

Complies

Complies

Complies

Complies

Pesticide Residue (GC)

Acephate

Methamidophos 

Parathion

PCNB

<0.1 PPM

<0.1 PPM

<0.1 PPM

<10PPB

Complies

Complies

Complies

Complies

Microbiology

Total Plate Count

<1000cfu/g

Complies

Yeast & Mold

<100cfu/g

Complies

E.Coli

Negative

Complies

Salmonella

Negative

Complies

Conclusion

Conform with specification

Storage

Store in cool & dry place, Keep away from strong light and heat

Shelf life

2 years when properly stored