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Int. J. Environ. Res. Public Health 2017, 14(11), 1401; doi:10.3390/ijerph14111401

Fatty Acid Composition of Dried Fruits of Sclerocarya birrea, Diospyros blancoi and Landolphia kirkii

1
Nanotechnology and Water Sustainability, College of Science Engineering and Technology, University of South Africa, Johannesburg 1710, South Africa
2
Department of Food and Nutritional Sciences, School of Life Sciences and Bioengineering, Nelson Mandela African Institute of Science and Technology, P.O. Box 447 Arusha, Tanzania
3
School of Medicine, University of Limpopo C/O R71 Tzaneen Road and University Street Mankweng Township, Polokwane University of Limpopo Old Admin Block, Ground Floor Sovenga, Limpopo 0727, South Africa
4
Consumer Goods Council of South Africa, Johannesburg 1710, South Africa
*
Author to whom correspondence should be addressed.
Received: 29 September 2017 / Revised: 2 November 2017 / Accepted: 10 November 2017 / Published: 17 November 2017
(This article belongs to the Special Issue Nutrition and Public Health)
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Abstract

Wild fruits are commonly consumed in the rural communities of South Africa. The information on their nutritionally important fatty acids is, however, limited. Three wild fruit species, Diospyros blancoi, Landolphia kirkii and Sclerocarya birrea from Limpopo Province were selected for evaluation of fatty acid content. Fatty acids composition of dried fruits of Diospyros blancoi (Db), Landolphia kirkii (Lk) and ripe and/or overripe Sclerocarya birrea (Sb) were evaluated by a gas chromatography-time of flight-mass spectrometer (GC-TOF-MS). Hexadecanoic acid (C16:0) was found in highest abundance in L. kirkii (57.73–73.55%), followed by S. birrea (55.92–71.31%) and D. blancoi (46.31–62.05%), respectively. Octadecanoic acid (C18:0) was of second highest abundance, with 24.71–100% in D. blancoi, L. kirkii (31.03–41.60%) and S. birrea (9.11–17.0%). The 9-octadecenoic acid (C18:1n-9) was the major unsaturated fatty acid in both S. birrea (5.33–18.82%), D. blancoi (8.22–8.92%), and L. kirkii (3.84–8.63%). The 9,-12-octadecadienoic acid (C18:2n-6) was the major unsaturated fatty acid in D. blancoi (22.34%). The 9,-12,-15-octadecatrienoic acid (C18:3n-3) was found in L. kirkii (3.51%) and S. birrea (2.79%). From the results, saturated fatty acids were the most dominant, whereas mono- and poly-unsaturated fatty acids were the minor constituents. Therefore, presence of nutritionally important essential fatty acids from S. birrea, D. blancoi and L. kirkii has been shown. View Full-Text
Keywords: Sclerocarya birrea; Diospyros blancoi; Landolphia kirkii; GC-TOF-MS; fatty acids Sclerocarya birrea; Diospyros blancoi; Landolphia kirkii; GC-TOF-MS; fatty acids
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Matemu, A.O.; Adeyemi, D.; Nyoni, H.; Mdee, L.; Tshabalala, P.; Mamba, B.; Msagati, T.A.M. Fatty Acid Composition of Dried Fruits of Sclerocarya birrea, Diospyros blancoi and Landolphia kirkii. Int. J. Environ. Res. Public Health 2017, 14, 1401.

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