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    Nutrient and antinutrient composition of winged bean (Psophocarpus tetragonolobus (L.) DC.) seeds and tubers

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    Journal Article (1.166Mb)
    Date
    2019
    Author
    Adegboyega, T.T.
    Abberton, M.T.
    AbdelGadir, A.A.H.
    Dianda, M.
    Maziya-Dixon, B.
    Oyatomi, O.A.
    Ofodile, S.
    Babalola, O.O.
    Type
    Journal Article
    Review Status
    Peer Review
    Target Audience
    Scientists
    Metadata
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    Abstract/Description
    Many people in sub-Saharan Africa suffer from protein malnutrition; this results in negative health and economic impacts. Winged bean (Psophocarpus tetragonolobus (L.) DC.) is a tropical underutilized legume with beneficial nutritional characteristics such as high protein content, which may help to alleviate these problems. The proximate composition (fat, moisture content, crude protein, ash, and carbohydrate) and antinutrient (tannin and phytate) level of winged bean seeds and tubers were determined using 50 accessions. In the processed seeds, accession Tpt17 had the highest protein content (40.30%) and Tpt48 the lowest (34.18%). In the unprocessed seeds, Tpt17 also recorded the highest crude protein (31.13%) with Tpt125 having the lowest (28.43%). In the tubers, protein content ranged from 19.07% (Tpt42) to 12.26% (Tpt10). The moisture content in the processed seeds ranged from 8.51% (Tpt42) to 6.72% (Tpt6); in the unprocessed seeds, it was between 8.53% (Tpt53) and 3.76% (Tpt14). In the processed seeds, the values of ash ranged from 4.93% (Tpt126) to 4.45% (Tpt15-4); in the unprocessed seeds, it ranged from 4.98% (Tpt17) to 4.55% (Tpt125). In the processed seeds, the fat content ranged from 18.91% (Tpt51) to 14.09% (Tp43) while in the unprocessed seeds, the values ranged from 19.01% (Tpt15) to 13.87% (Tpt3-B). The crude fiber in the processed samples ranged from 13.82% (Tpt6) to 10.40% (Tpt125) while in the unprocessed seeds, it ranged from 7.29% in Tpt51 to 4.83% in Tpt11. Carbohydrate content in the processed seeds ranged from 26.30% (Tpt3-B) to 20.94% (Tpt125) and 39.76% in Tpt3-B to 34.53% in Tpt18 in the unprocessed seeds. The tannin and phytate contents showed remarkably significant differences. In the tubers harvested, significant variation was observed in the parameters evaluated. Winged bean flour could be formulated into various meals for children and adults to reduce malnutrition in sub-Saharan Africa.
    https://dx.doi.org/10.1155/2019/3075208
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/6870
    IITA Authors ORCID
    Adegboyega Taofeek Topehttps://orcid.org/0000-0002-3486-614X
    Michael Abbertonhttps://orcid.org/0000-0003-2555-9591
    Mahamadi Diandahttps://orcid.org/0000-0002-6592-7443
    Busie Maziya-Dixonhttps://orcid.org/0000-0003-2014-2201
    Olubukola Oluranti Babalolahttps://orcid.org/0000-0003-4344-1909
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.1155/2019/3075208
    Research Themes
    Biotech and Plant Breeding; Nutrition and Human Health
    IITA Subjects
    Agronomy; Grain Legumes; Nutrition; Plant Breeding; Plant Production; Value Chains
    Agrovoc Terms
    Nutrients; Psophocarpus Tetragonolobus; Proteins; Seeds; Economic Value; Legumes; Winged Bean
    Regions
    Africa; West Africa
    Countries
    Nigeria
    Hubs
    Headquarters and Western Africa Hub
    Journals
    Journal of Food Quality
    Collections
    • Journal and Journal Articles4836
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