Vaccinium myrtillus

ANALYSIS

SPECIFICATION

RESULTS

Remark

Appearance

Red violet fine powder

Complies

Visual

Odor

Characteristic

Complies

Organoleptic

Identification

Chemical test

In Citris Acid buffer solution (pH3),

Complies

/

red appears.

  UV

In Citric Acid buffer solution (pH3),

Complies

CP2005

absorption maximum peak appears

between 500-540nm.

Assay

 Anthocyanidins

25% Min

28.43%

UV

Sieve Analysis

100% pass 80 mesh

Complies

80 mesh Screen

Loss on Drying

5% Max.             

3.25%

105℃/3hrs

Residue on Ignition

3% Max         

3.43%l

750℃/5hrs

Sulphated Ash 

5%Max

Complies

Extract Solvent

Alcohol & Water

Complies

Heavy Metal

20ppm Max

Complies

AAS

As₂O₃

2ppm Max

Complies

AAS

Solvent Residues

Ethanol

500ppm Max

Complies

GC

Methanol

20ppm Max

Complies

GC

Acetone

5ppm Max

Complies

GC

Chloroform

ND

Complies

GC

Microbiology

Total Plate Count

10000/g Max

Complies

CP2005

Yeast & Mold      

100/g Max

Complies

CP2005

E.Coli                   

Negative

Complies

CP2005

Salmonella 

Negative

Complies

CP2005

Conclusion:   

Conform with specification.

Storage:      

In cool & dry place. Keep away from strong light and heat.

Shelf life:     

2 years when properly stored.