Specifications

Results

Appearance

Yellow or greenish-yellow,crystalline powder

Complies

Solubility

Practically insoluble in chloroform and ether

Complies

Infinitesimally soluble in cool water

Complies

Sparingly soluble in boiling ethanol and boiling water

Complies

Dissolves in solution of alkali hydroxides

Complies

Identification

A.B.C

Complies

Loss on drying

5.5-9.0%

7.1%

Residue on Ignition

≤0.5%

0.30%

Impurity quercetin

≤5%

Complies

Chlorophyll

≤0.004%

Complies

Red pigments

≤0.004%

Complies

Heavy Metal

≤10ppm

<10ppm

Mesh Size

95% pass 80 mesh

Complies

Assay (anhydrous substance)

95%—101.5%

95.5%

Conclusion: the test results conform to NF11

Packing & Storage,Packed in paper-drums and two plastic-bags inside.N.W.25kgs

.I.D.3cm×H53cm.   Store in a well-closed container Away from moisture.