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Alamu, E.O.Maziya-Dixon, B.B.Felde, T. zumKulakow, P.A.Parkes, E.Adesokan, M.[Application of Near Infra-red Reflectance Spectroscopy (NIRS) in screening of fresh cassava (Manihot esculenta) storage roots for provitamin A carotenoids]Application of Near Infra-red Reflectance Spectroscopy (NIRS) in screening of fresh cassava (Manihot esculenta) storage roots for provitamin A carotenoids

New yellow cassava fresh roots biofortified with β-carotene are becoming popular in Sub-Saharan Africa in the making of traditional products for households. However, β- carotene is susceptible to rapid depletion during processing. Therefore, we investigated the impact of using different drying me...


Eyinla, T.Sanusi, R.Alamu, E.O.Maziya-Dixon, D.[Variations of β-carotene retention in a staple produced from yellow fleshed cassava roots through different drying methods]Variations of β-carotene retention in a staple produced from yellow fleshed cassava roots through different drying methods

Freeze-drying represents a very effective method to significantly prevent loss of nutrients, especially heat-sensitive compounds. Moreover, osmotic dehydration is frequently applied prior to drying in order to facilitate moisture removal and improve quality. In the present study, the effect of os...


Udomkun, PatchimapornArgyropoulos, D.Nagle, M.Mahayothee, B.Alamu, E.O.Müller, J.[Changes in microstructure and functional properties of papaya as affected by osmotic pre-treatment combined with freeze-drying]Changes in microstructure and functional properties of papaya as affected by osmotic pre-treatment combined with freeze-drying
Emetole, J.M.Ojimelukwe, P.C.Omodamiro, R.M.Ukom, A.N.Iheomamere, N.O.Onuigbo, E.O.Alamu, E.O.[Effect of periodic vine pruning on the carotenoid profile of Umuspo 3 orange-fleshed sweet potato variety]Effect of periodic vine pruning on the carotenoid profile of Umuspo 3 orange-fleshed sweet potato variety

Identification and quantification of carotenoids from yam and cocoyam were evaluated after different processing methods. Seven carotenoids were identified by HPLC-DAD both in the raw and processed tubers. The mean carotenoids in yam, D. cayenensis was α-carotene (0.78 μg/g), 9-cis-β-carotene (0.7...


Ukom, A.N.Ojimelukwe, P.C.Alamu, E.O.[Methods of processing of some under-utilized yam and cocoyam tuber varieties: effect on carotenoid content]Methods of processing of some under-utilized yam and cocoyam tuber varieties: effect on carotenoid content

Twenty-two genotypes of deep yellow fleshed D. dumetorum were analysed for carotenoids using High Performance Liquid Chromatography (HPLC) and for similarities in their provitamin A characteristics using Cluster Analysis (CA). The contribution of each carotenoid to provitamin A content was invest...


Alamu, E.O.Maziya-Dixon, B.B.Ferede-Menkir, R.Popoola, I.Asiedu, RobertGondwe, T.N.P.[Characterization and classification of the provitamin A carotenoids of deep yellow-fleshed bitter yam (Dioscorea dumetorum) varieties]Characterization and classification of the provitamin A carotenoids of deep yellow-fleshed bitter yam (Dioscorea dumetorum) varieties

Bananas are important staples in tropical and sub-tropical regions and their potential as a source of provitamin A has recently attracted attention for biofortification. A collection of 189 banana genotypes (AAB-plantains, M. acuminata cultivars and bred hybrids) was screened to determine variabi...


Amah, D.Alamu, E.O.Adesokan, M.Biljon, A. vanMaziya-Dixon, B.B.Swennen, R.Labuschagne, M.[Variability of carotenoids in a Musa germplasm collection and implications for provitamin A biofortification]Variability of carotenoids in a Musa germplasm collection and implications for provitamin A biofortification

A developed Near Infrared Reflectance Spectroscopy (NIRS) calibration equation was used for determining provitamin A carotenoids contents of different trials of fresh yellow root cassava genotypes using a total of 50 cassava genotypes scanned twice by NIRS from 400 nm to 2498 nm. The NIRS calibra...


Alamu, E.O.Maziya-Dixon, B.B.Felde, T. zumKulakow, P.Parkes, E.[Application of near infrared reflectance spectroscopy in screening of fresh cassava (Manihot esculenta crantz) storage roots for provitamin A carotenoids]Application of near infrared reflectance spectroscopy in screening of fresh cassava (Manihot esculenta crantz) storage roots for provitamin A carotenoids

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