Common Name

:

Vidang

Plant part used

:

Seeds

Identification

:

Presence of Embelin      - Complies

Appearance

:

Brown colour free flowing dry powder

Odour and Taste

:

Characteristic and bitter  - Complies

pH  of 1% w/v Aq. Solution

:

6. 38 %

:

62.38 %

Loss on drying at 105º C 

:

4.31 %

Assay :  for Embelin (NLT 5%)

:

6.01 % w/w

Heavy Metals (NMT 10 ppm)

:

Complies

Storage

:

Cool,  dry place protected from moisture and heat at Temp. NMT 80ºF

MOISTURE CONTENT (by KF)

2.36%

(Limit : Not more than 6.0%) 

ASH CONTENT

0.68%

(Limit : Not more than 2.0%) 

LEAD

Complies

(Limit : Not more than 10 ppm) 

ARSENIC

Complies

(Limit : Not more than  1 ppm) 

BULK DENSITY

0.69 g/ml

(Limit : Between 0.40 – 0.80 g/ml) 

SIEVE TEST (Passes through)

-        40 mesh

96.34%

(Limit : Not less than  90.0%) 

HPLC profile of carotenoids

-        % T-Lutein

-        % of Lutein esters

-        % of total identified carotenoids by HPLC

91.74%

93.80%

97.47%

(Limit : Not less than  90.0%) 

(Limit : Not less than  90.0%) 

(Limit : Not less than  95.0%)

ASSAY

- Content of Lutein esters as Lutein Dipalmitate by Visible spectroscopy

11.0%

(Limit : Not less than  10.0% on dried basis) 

- Content of free Lutein equivalent

5.50%

(Limit : Not less than  5.0% on dried basis) 

Microbial analysis:

Total Microbial count

Totally yeast and mould count

E.Coli

Salmonella

Staphylococcus

Less than 1000 cfu/g

Less than 100 cfu/g

Absent

Absent

Absent