Physico-chemical properties of Iranian Moringa peregrina seeds were studied at moisture content of 4.40% wet basis. Some oil quality properties of the seeds were also examined. Physical properties of the seeds and kernels in terms of linear dimensions, mass, volume, sphericity, surface area, true and bulk densities, porosity, repose angle, shell ratio, terminal velocity and static coefficient of friction on various surfaces were determined. The proximate analysis of seeds showed the following composition: 4.4% moisture, 2.7% ash, 55.7% fat, 23.4% protein and 14.8% carbohydrate. The results of mineral analysis demonstrated that M. peregrina seeds contained considerable amounts of macro and micro elements. Gas chromatography analysis indicated that oleic acid (77.9%) is the dominant fatty acid in seed oil followed by palmitic acid (9.3%), stearic acid (3.5%) and behenic acid (2.6%). Also, the seed oil had low levels of acids (0.06%), iodine (91.70 mg/g), peroxide (0.66 meq O2/kg), conjugated dienes (K232=1.77) and conjugated trienes (K270=0.72). The stability, unsaponifiable matter and saponification value of oil were 10.1 h at 120 °C, 0.32 g/kg oil and 179.3 mg KOH/g, respectively. Moreover, the oil refractive index, viscosity and density were 1.4621, 52.05 mPa⋅s and 0.9092 g/cm3, respectively.
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Research-Article
Physicochemical properties of Moringa peregrina seed and its oil
S.M.T. Gharibzahedi Related information
1 Faculty of Agricultural Engineering and Technology, Department of Food Science, Engineering & Technology, University of Tehran, P.O. Box 4111, Karaj 31587-77871, Iran
, I. Ansarifard Related information2 Department of Agronomy, College of Agriculture, Shahryar, Iran
, Y. Sadeghi Hasanabadi Related information3 Department of Food Science & Technology, Science and Research Branch, Islamic Azad University, Tehran, Iran
, M. Ghahderijani Related information4 Department of Agricultural Mechanization & Machinery, Science and Research Branch, Islamic Azad University, Tehran, Iran
, R. Yousefi Related information5 Department of Agricultural Mechanization & Machinery, Qazvin Center, Institute of Scientific-Applied Higher Education of Jihad-e-Agriculture, Qazvin, Iran
Quality Assurance and Safety of Crops & Foods: 5
(4)- Pages: 303 - 309
Published Online: November 08, 2013
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