Nutritional and Chemical Constituents of Different Cultivars of Sweet Potato (Ipomoea batatas L.) Grown in South Africa
DOI:
https://doi.org/10.26538/tjnpr/v8i2.7Keywords:
Sweet potato, Blesbok, Ndou, Monate, Mvuvhelo, Bophelo, ImpiloAbstract
South Africa. This study investigated the nutritional and chemical compositions of four whitefleshed (Blesbok, Ndou, Monate, and Mvuvhelo) and three orange-fleshed (Bophelo, Impilo, and 199062.1) cultivars. The protein, ash, and crude fibre contents were analysed using standard AOAC procedures. The detection of fatty acids, sugar, and metabolites was carried out using Gas
Chromatography–Mass Spectrometry (GC-MS). Carbohydrate and energy values were
determined using standard methods. The results showed that Bophelo had the highest protein content (12.00%), with Blesbok having the lowest protein content (4.56%). The study also revealed that Impilo had the highest fibre (7.11%) and total sugar (22.21 %) contents. The highest ash content was found in 199062.1 (5.81 %) and the lowest was observed in Monate (4.50 %). Bophelo had the highest total fat content (0.650 %), with saturated, mono-saturated, and polysaturated fats of 0.270 %, 0.050 %, and 0.270 %, respectively, while the lowest fat content was observed in Impilo (0.380 %), with saturated, mono-saturated, and poly-saturated fats of 0.225 %, 0.020 % and 0.135 %, respectively. The highest total carbohydrate content was found in Blesbok (76.72 %). Different fatty acids, including palmitic acid (C16), stearic acid (C18), arachidic acid
(C20), oleic acid (C18:1), and linoleic acid (C18:2) were also found in the sweet potato cultivars.
This study demonstrated significant variations in the chemical composition of the cultivars,providing valuable insights for informed dietary decisions on consumption
References
Dhakar RC, Maurya SD, Pooniya BK, Bairwa N, Gupta M. Moringa: The herbal gold to combat malnutrition. Moringa: The Herbal Gold to Combat Malnutrition. 2011.
Mayes S, Massawe FJ, Alderson PG, Roberts JA, Azam-Ali SN, Hermann M. The potential for underutilized crops to improve security of food production. J. Exp. Bot. 2011;63(3); 1075-1079.
Chivenge P, Mabhaudhi T, Modi AT, Mafongoya P. The potential role of neglected and underutilised crop species as future crops under water scarce conditions in Sub-Saharan Africa. Int. J. Environ. Res. Public Health. 2015; 12(6):5685-5711.
Al-Farga, A, Zhang H, Siddeeg A, Shamoon M, Chamba MV, Al-Hajj N. Proximate composition, functional properties, amino acid, mineral and vitamin contents of a novel food: Alhydwan (Boerhavia elegana Choisy) seed flour. Food Chem. 2016; 211:268-273.
Chandrasekara A, Josheph Kumar T. Roots and tuber crops as functional foods: a review on phytochemical constituents and their potential health benefits. Int J Food Sci. 2016; 2016:3631647.
Allan SY, Elmore S, Fishpool G, Dudson B, MAST Team, EUROFusion MST1 Team. Ion temperature measurements of L-mode filaments in MAST by retarding field energy analyser. Plasma Phys. Control. Fusion. 2016;58(4):045014.
Food and Agriculture Organization (FAO) of the United Nations. Food and Agriculture Organization Statistical Databases (FAOSTAT). 2015.
Hue SM, Low MY. An insight into sweet potato weevils management: A review. Psyche: A Journal of Entomology, 2015;Article ID 849560, 11 pages.
Shekar K, Roberts JA, Mcdonald CI, Ghassabian S, Anstey C, Wallis SC, Mullany DV, Fung YL, Fraser JF. Proteinbound drugs are prone to sequestration in the extracorporeal membrane oxygenation circuit: results from an ex vivo study. Crit. Care. 2015: 19(1):1-8.
Senanayake IP, Welivitiya WD, Nadeeka PM. Remote sensing-based analysis of urban heat islands with vegetation cover in Colombo city, Sri Lanka using Landsat-7 ETM+ data. Urban Clim. 2013;5:19-35.
Ayeleso TB, Ramachela K, Mukwevho E. A review of therapeutic potentials of sweet potato: Pharmacological activities and influence of the cultivar. Trop. J. Pharm. Res. 2016; 15(12):2751-2761
Omodamiro RM, Afuape SO, Njoku CJ, Nwankwo IIM, Echendu TNC, Edward TC. Acceptability and proximate composition of some sweet potato genotypes: Implication of breeding for food security and industrial quality Int. J. Food Sci. Technol. 2013;1(5):97-101.
Rose IM, Vasanthakaalam H. Comparison of the nutrient composition of four sweet potato varieties cultivated in Rwanda. American J of Food and Nut. 2011;1(1):34-38.
Konczak-Islam I, Yoshimoto M, Hou DX, Terahara N, Yamakawa O. Potential chemopreventive properties of anthocyanin-rich aqueous extracts from in vitro produced tissue of sweet potato (Ipomoea batatas L.). J. Agric. Food Chem. 2003;51(20):5916-5922.
Van Gelder WM. Conversion factor from nitrogen to protein for potato tuber protein. Potato Res. 1981;24:423-425.
Association of Official Analytical Chemists (AOAC 991.43) (2005a) 18th Edition, Chapter 32, pages 7-10
Association of Official Analytical Chemists (AOAC 923.03) (2005b) 18th Edition, Chapter 32, page 2.
Association of Official Analytical Chemists (AOAC 996.06) (2005c) 18th edition, Chapter 41, pages 20-24.
Association of Official Analytical Chemists (AOACd) 17th edition, Chapter 32, pages 42 – 43.
Singh P, Kesharwani RK, Keservani RK. Protein, Carbohydrates, and Fats: Energy Metabolism. Editor(s): Debasis Bagchi, In Sustained Energy for Enhanced Human Functions and Activity, Academic Press, 2017; Pages 103-115,
Alam MK, Rana ZH, Islam SN. Comparison of the proximate composition, total carotenoids and total polyphenol content of nine orange-fleshed sweet potato varieties grown in Bangladesh. Foods. 2016;5(3): 64.
Rodriguez A, Reise SP, Haviland MG. Evaluating bifactor models: Calculating and interpreting statistical indices. Psychol. Methods. 2016;21(2):137.
Ingabire MR, Hilda V. Comparison of the nutrient composition of four sweet potato varieties cultivated in Rwanda. Am. J. Food Nutr. 2011;1(1):34-38
Sanoussi AF, Dansi A, Ahissou H, Adebowale A, Sanni LO, Orobiyi A, Dansi M, Azokpota P, Sanni A. Possibilities of sweet potato [Ipomoea batatas (L.) Lam] value chain upgrading as revealed by physico-chemical composition of ten elites landraces of Benin. Afr. J. Biotechnol. 2016; 15(13):481-489.
Okaka JC, Akobundu ENT, Okaka ANC. Food and Human Nutrition an integrated approach, OCJ Academic Publishers, Enugu, 2006;135-368.
Agbafor KN, Engwa GA, Obiudu IK. Analysis of chemical composition of leaves and roots of Ageratum conyzoides. Int. J. Curr. Res. Acad. Rev. 2015; 3(11):60-65.
Anthony EJ, Marriner N, Morhange C. Human influence and the changing geomorphology of Mediterranean deltas and coasts over the last 6000 years: From progradation to destruction phase? Earth Sci Rev. 2014;139:336-361.
Godswill NN, Martin BJ, Kingsley TM, Albert DMJ, Thierry KS, Sastile MN, Hermine NB, Emmanuel Y. Effects of Dietary Fatty Acids on Human Health: Focus on Palm oil from Elaeis guineensis Jacq. and Useful Recommendations. Public Health Nutr. 2016; 6(3):75-85.
Adegbe AA, Larayetan RA, Omojuwa TJ. Proximate analysis, physicochemical properties and chemical constituents’ characterization of Moringa oleifera(Moringaceae) seed oil using GC-MS analysis. Am. J. Anal. Chem. 2016;6(2):23-28.
Bouwkamp JC. Sweet potato products: a natural resource for the tropics. CRC Press, Inc., Boca Raton, FL, 1985.
Salunkhe DK, Kadam SS. Handbook of Vegetables. Science & Technology. CRC Press, New York, USA.1998.
Babilas P, Knie U, Abels C. Cosmetic and dermatologic use of alpha hydroxy acids. JDDG: J Dtsch Dermatol Ges. 2012:10 (7):488-491.
Suprayitno, E. Isolation and identification structure antioxidant active compounds of ethyl acetate fraction hypokotil Bruguiera gymnorhiza (L) Lamk. Int. J. Chemtech Res. 2015; 8: 1858-1867.
Kifayatullah M, Sengupta P. Effect of Pericampylus glaucuson plasma glucose concentration and lipid profile in Pharmacol. 2016; 11(1): 200-205.
Elmezian H, Zawawy FM, EL-Helbawy S, Mostafa M, El Aily M, Ayat Mosleh. Separation and identification of the components of Acacia sieberiana stem bark plant extract and study its safety as a treatment drug for diarrhea. Anal. chem.: Indian J. 2016; 16 (13).
Brittain HG. Malic Acid. In: Brittain HG (ed) Analytical profiles of drug substances and excipients, 28. Academic Press, Cambridge, pp 153–195. https://doi.org/10.1016/S1075-6280(01)28005-7.
Pontiki E, Hadjipavlou-Litina D, Litinas K, Geromichalos G. Novel cinnamic acid derivatives as antioxidant and anticancer agents: Design, synthesis and modeling studies. Molecules. 2014: 9(7): 9655-9674.
Niero EL, Machado-Santelli GM. Cinnamic acid induces apoptotic cell death and cytoskeleton disruption in human melanoma cells. J. Exp. Clin. Cancer Res. 2013; 32(1):1-4.
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