Dong Quai Extract

Tests

Color

Texture

Odor

Flavor
Identification
Loss on drying
Standard sieve
Extraction solvents

 
 Specification                               

Light yellow  Amorphous powder

Characteristic                             

Characteristic
Positive

< 5 %

100% through 60 mesh
Ethanol & Water

Results

Complies

Complies
Complies

Complies
Complies
3.95%
Complies
Complies

Method

Visual

Visual
Organoleptic

Organoleptic
TLC
GB 5009.3-2010
SOP-QS-402-00
Internal

Total plate count

E. Coli

Yeast/Molds

Salmonella

Staphylococcus

<10,000 cfu/g                              

Absent /gram
<1000 cfu/g                              

Absent /10 gram

Absent /gram

2900 cfu/g
Complies

55 cfu/g
Complies
Complies

GB 4789.2-2010

GB 4789.3-2010
GB 4789.15-2010
GB 4789.4-2010
GB 4789.10-2010

Lead (Pb)

Arsenic (As)
Mercury (Hg)

< 5ppm

< 2ppm
< 0.1ppm

omplies
Complies

Complies

AAS GB/T 5009.12-2003

AFS GB/T 5009.11-2003
AFS GB/T 5009.17-2003

Chemistry Standardization

Ligustilide 

4:1

By HPLC