|
Common Name: |
Zedoary |
|
Botanical Name: |
Curcuma zedoaria Roscoe |
|
|
|
Source: |
Cultivated |
|
|
|
Introduction / Varity of plant / Method of extraction /
Distilled organ: |
It
is obtained from the rhizomes of Curcuma zedoaria
Roscoe through steam distillation |
|
|
|
1. Organoleptic Properties
|
|
Appearance
|
Viscous liquid |
|
Color |
Golden yellow |
|
Aroma |
Warm-spicy, woody & camphoraceous cineolic odor
|
|
|
|
2. Physico-chemical
Properties |
|
Specific gravity
|
0.899 - 0.9313 at 27º C |
|
Optical rotation
|
[-]
0.75º to 8º at 27º C |
|
Refractive index
|
1.39 to 1.482 at 27º C |
|
Acid number
|
1.
162 to 3.74 |
|
Ester number
|
8.23 to 37.28 |
|
Ester number after
acetylation |
60
to 75 |
|
Solubility
|
Soluble in 80% - 90% alcohol |
|
|
|
3. Uses |
|
(a)
In fragrance and flavor
industry |
|
|
