Table
1 - Classification of saffron in
filaments
| Characteristic |
Categories |
| Extra
I |
II |
III |
IV |
Floral
waste
% (m/m),
max.
Extraneous
matter
% (m/m)
max. |
0.5
0.1 |
4
0.5 |
7
1.0 |
10
1.0 |
Table 2 -
Chemical requirements for saffron, in filaments or
in powder form
| Characteristic |
Requirement |
Test
method |
| Saffron
in
filaments |
Saffron
in
Powder
form |
| Moisture
and volatile matter, % (m/m), max |
12 |
10 |
ISO
3632-2, clause 9 |
| Total
ash, % (m/m), on dry basis, max. |
8 |
8 |
ISO
928 & ISO 3632-2 clause 10 |
Acid-insoluble
ash, % (m/m),
on dry basis, max.
Categories I and II
Categories III and IV |
1,0
1,5 |
1,0
1,5 |
ISO
930 & ISO 3632-2, clause 11 |
| Solubility
in cold water, % (m/m), on dry basis, max. |
65 |
65 |
ISO
941 |
Bitterness,
expressed
as direct reading of
the absorbance
of picrocrocine at about
257 nm, on dry basis, min.
Category I
Category II
Category III
Category IV |
70
55
40
30 |
70
55
40
30 |
ISO
3632-2, clause 13 |
Safranal,
expressed as
direct reading
of the absorbance
at about 330 nm, on dry
categories
min.
max. |
20
50 |
20
50 |
ISO
3632-2, clause 13 |
Colouring
strength,
expressed as direct reading
of the absorbance of crocine at about 440
nm,
on dry basis, min.
Category I
Category II
Category III
Category IV |
190
150
110
80 |
190
150
110
80 |
ISO
3632-2, clause 13 |
| Total
nitrogen, % (m/m), on dry basis, max.1) |
3.0 |
3.0 |
ISO
1871 |
| Crube
fibre, % (m/m), on dry basis, max.1) |
6 |
6 |
ISO
5498 |
Main
producing countries of saffron have the different
classification and names of saffron, here are some
common commercial names and results in producing
countries :
| IRAN
: |
result
2000/2001 = 160 ton
Classification: 1-Sargol
2-Dasteh 3-pushal |
|
|
| Spain
: |
Classification
base on coloring strength : |
International
Organization
for standardization
(ISO 3632)
Minimum Standard |
|

|
|
|
Spanish
Government
Standards
|
|

|
|
| Greece
: |
Commercial
name : red saffron |
|
|
| India
: |
Commercial
name : Mongra, Lacha |
As
you aware by now the most important factor in
saffron is color strength. Here in Tarvand we
provide to our customers the photospectometry
report which show the crocine (color strength) ,
picocrocine (flavor) and safranal (aroma).
Additional we supply our customers with Iran
standard institute certification which is official
organization for saffron analysis.
 
 |
Here
are the basic Tarvand classification of Saffron : |
Tarvand
A: (PUSHALI)

This Grade of Stigmas
is joined in 2's or 3's at the end of
portion of the style, and is excellent for
presenting as a gift and suitable for
packing,
Floral waste is about 2 - 5 % (m/m).
Spanish Name : Mancha
Category II in ISO 3632,
The color strength above 220. |
 |
Tarvand B1: (SARGOL)

Top Tarvand Quality:
Strong in Stigmas, and higher power in
coloring (above 250 USP), with no broken,
Origin
: Ghaen, Khorasan - Iran
Category I in ISO 3632
Tarvand
B2: (SARGOL)
Top Tarvand Quality:
Not too strong in stigmas but with lower in
coloring strength about 220-250
Origin : South of Khorasan, Category I in
ISO 3632
|
|
|
Tarvand
C1: (TIGHT)

Top quality Dasteh,
contains the whole Filament with less yellow,
and more red
Tarvand C2: (TIGHT)
Best quality Dasteh, Best quality contains
the whole Filament with usual yellow,
secured with string.
|
|
Tarvand
D:

This quality is
obtaining by cutting the yellow part (style)
at the level of 800 gr. Per Kilo. |
 |
Tarvand
E:

This quality is
obtaining by cutting the yellow part (style)
at the level of 850 gr. Per Kilo. |
|