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Menkir, A.Palacios-Rojas, N.Alamu, O.Dias Paes, M.C.Dhliwayo, T.Maziya-Dixon, B.B.Mengesha, W.Ndhlela, T.Oliveira Guimarães, P.E.Pixley, K.Rocheford, T.[Vitamin A-biofortified maize: exploiting native genetic variation for nutrient enrichment]Vitamin A-biofortified maize: exploiting native genetic variation for nutrient enrichment

Background: As one of the most widely consumed foods, bread is one of the most important agricultural products. Bread made from high-quality cassava flour is consumed in some parts of Sub-Sahara Africa (SSA). The bread has no pro-vitamin S carotenoids (pVAC) due to the use of artificial colorants...


Awoyale, W.Abass, A.B.Maziya-Dixon, B.B.[Retention of pro-vitamin A carotenoid in composite bread baked with high quality cassava flour from yellow-fleshed cassava root]Retention of pro-vitamin A carotenoid in composite bread baked with high quality cassava flour from yellow-fleshed cassava root

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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