A study of the oil content of Nigerian grown Monodora myristica seeds for its nutritional and industrial applications
2004
Ajayi, I.A. | Adebowale, K.O. (Ibadan Univ. (Nigeria). Chemistry Dept.) | Dawodu, F.O. | Oderinde, R.A.
A study of the oil content of Monodora myristica for its potential and industrial applications has been undertaken. The study revealed that M. myristica seeds have high oil and protein content (21.79 plus minus 0.51% and 20.57 plus minus 0.38%, respectively). The carbohydrate content is quite high, (44.29 plus minus 1.50%) while it has low crude fibre content (4.70 plus minus 0.15%). The physico-chemical characteristics of the seed oil show that the oil has high acid value, (14.31 plus minus 0.32%); peroxide value, (15.90 plus minus 0.50%) and saponification value, (252.11 plus minus 2.50%). The iodine value of the seed oil which places the oil in the non-drying group is 85.00 plus minus 0.50%. Fight nutritionally valuable minerals of the seeds were determined and the result indicates the seeds to be richest in potassium 64.96 plus minus 1.60 ppm followed by magnesium (8.58 plus minus 1.50 ppm) and iron (8.40 plus minus 0.91 ppm). Fatty acid composition of the seed oil shows the oil to be rich in linoleic acid (35.52%) and oleic acid (33.15%). It also contains arachidic acid 9.52%. The other fatty acids present in the oil are palmitic acid, stearic acid, gadoleic acid and linoceric acid. Triacylglycerols (OOO, OPO / POO and OOL) accounted for over 57.70% of the total triacylglycerol content of the oil. In addition, high molecular weight triacylglycerols (containing fatty acid moiety greater than 18 carbons) was also detected in oil The potential domestic and industrial applications of the oil under study are enumerated.
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