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| MULTIPAL USES OF MORINGA |
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Physico-chemical properties and fatty acid composition of
Moringa seed oil |
| Property |
Value |
|
| Saponification value |
182.9 |
|
| Iodine value |
66.4 |
|
| Density at 20 ºC (g/ml) |
0.89737 |
|
| Refractive Index at 20 ºC |
1.4670 |
|
| Solidification Point (Pour point ºC)
(Method D-97) |
6 |
|
| Free fatty acids (%) |
Up to 2.98 |
|
| Fatty acid composition (%) |
|
|
| Lauric |
Trace |
(ND) |
| Myristic |
0.08 |
(0.05) |
| Pentadecanoic |
Trace |
(ND) |
| Palmitic |
5.45 |
(4.75) |
| Palmitoleic |
1.48 |
(1.22) |
| Margaric |
0.08 |
- |
| Margaroleic |
0.05 |
- |
| Stearic |
5.42 |
(5.66) |
| Oleic (C18-1) |
72.9 |
(71.0) |
| Linoleic |
0.76 |
(0.46) |
| Linolenic |
0.14 |
(0.09) |
| Arachidic |
3.39 |
(4.01) |
| Gadoleic |
2.2 |
(2.24) |
| Eicosadieroic |
- |
(ND) |
| Behenic |
6.88 |
(9.03) |
| Erucic |
0.14 |
(0.13) |
| Lignoceric |
0.92 |
(1.12) |
| Nurvonic |
Trace |
- |
| Cerotic |
- |
(ND) |
| Other Fatty Acids |
0.10 |
(0.2) |
| Properties of M. oleifera methyl esters with comparison to standards |
| Property |
M. oleifera methyl esters |
ASTM D6751 |
EN14214 |
| Cetane number |
67.07 |
47 min |
51 min |
| Kinematic viscosity (mm2/s; 40 _C) |
4.83 |
1.9–6.0 |
3.5–5.0 |
| Cloud point ( _C) |
18 |
Report |
–b |
| Pour point ( _C) |
17 |
–a |
–b |
| Oxidative stability (h) |
3.61 |
3 min |
6 min |
| Lubricity (HFRR; lm) |
135, 138.5 |
–c |
–c |
| a Not specified. |
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| b Not specified. EN 14214 uses time- and location-dependent values for the coldfilter |
| plugging point (CFPP) instead. |
| c Not specified. Maximum wear scar values of 460 and 520 lm are prescribed in |
| petrodiesel standards EN 580 and ASTM D975. |
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