title: Physicochemical Characteristics and Composition of Three Morphotypes of Cyperus esculentus Tubers and Tuber Oils.
abstract: Tuber characteristics and nutrient composition of three morphotypes of Cyperus esculentus tubers and tuber oils were determined. The mean value for length and width of the tuber and one thousand dried tuber weights ranged from 0.98 to 1.31 cm, 0.90 to 1.19 cm, and 598 to 1044 g, respectively. Tubers displayed high level of starch (30.54-33.21 g 100 g(-1)), lipid (24.91-28.94 g 100 g(-1)), and sucrose (17.98-20.39 g 100 g(-1)). The yellow tubers had significantly higher content in lipid compared to black ones. Levels of ascorbic acid, tocopherol, and β-carotene of the three morphotypes differed significantly. Yellow ones (morphotypes 1 and 2) were the richest in tocopherol and the poorest in β-carotene. Saturated fatty acid content of morphotype 2 was significantly lower than that of morphotypes 1 and 3. Morphotype 3 had the significantly lowest PUFA content compared to morphotypes 1 and 2. Morphotype 1 was found to be richer in Ca, Cu, and Mn contents. Al, Mg, P, S, and Si were most abundant in morphotype 2. Morphotype 3 had the highest content of Cl, K, and Zn.
authors.affiliation: Plant Breeding and Genetics Laboratory, Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture, International Atomic Energy Agency, Vienna International Centre, P.O. Box 100, 1400 Vienna, Austria.
authors.forename: Souleymane
authors.initials: S
authors.lastname: Bado
authors.affiliation: Life and Earth Sciences Training and Research Unit, University of Ouagadougou, 03 BP 7021, Ouagadougou, Burkina Faso.
authors.forename: Patrice
authors.initials: P
authors.lastname: Bazongo
authors.affiliation: Département Mécanisation, Institut de Recherche en Sciences Appliquées et Technologies, 03 BP 7047, Ouagadougou 03, Burkina Faso.
authors.forename: Gouyahali
authors.initials: G
authors.lastname: Son
authors.affiliation: Department of Medical Research (Lower Myanmar), No. 5 Ziwaka Road, Dagon Township, Yangon 11191, Myanmar.
authors.forename: Moe Thida
authors.initials: MT
authors.lastname: Kyaw
authors.affiliation: Plant Breeding and Genetics Laboratory, Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture, International Atomic Energy Agency, Vienna International Centre, P.O. Box 100, 1400 Vienna, Austria.
authors.forename: Brian Peter
authors.initials: BP
authors.lastname: Forster
authors.affiliation: Plant Breeding and Genetics Laboratory, Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture, International Atomic Energy Agency, Vienna International Centre, P.O. Box 100, 1400 Vienna, Austria.
authors.forename: Stephan
authors.initials: S
authors.lastname: Nielen
authors.affiliation: Department of Biosciences, Aarhus University, Vejlsoevej 25, 8600 Silkeborg, Denmark.
authors.forename: Anne Mette
authors.initials: AM
authors.lastname: Lykke
authors.affiliation: Life and Earth Sciences Training and Research Unit, University of Ouagadougou, 03 BP 7021, Ouagadougou, Burkina Faso.
authors.forename: Amadé
authors.initials: A
authors.lastname: Ouédraogo
authors.affiliation: Life and Earth Sciences Training and Research Unit, University of Ouagadougou, 03 BP 7021, Ouagadougou, Burkina Faso.
authors.forename: Imaël Henri Nestor
authors.initials: IH
authors.lastname: Bassolé