Effects of husk and harvest time on carotenoid content and acceptability of roasted fresh cobs of orange maize hybrids

Vitamin A deficiency (VAD) is a major public health problem in many developing countries. Orange maize is preferred as green maize and consumed roasted on the cob, especially in Nigeria. This research work was to evaluate the effects of harvest time and husk on the carotenoid contents and sensory properties of roasted orange maize hybrids. The results showed that husk (roasting forms) and harvesting time had significant effects (P ≤ 0.001) on the carotenoids and the sensory properties. There was general increase in b-carotene and provitamin A (PVA) values as the harvesting time increases. The b-carotene and PVA values for roasted orange maize hybrids with husk were higher than those for roasted without husk. Hybrid 5 had the highest b-carotene concentration and PVA value at 27 days after pollination (DAP) and 34DAP when unprocessed and roasted without husk. This information can help researchers in choosing proper roasting methods to increase the retention of high levels of b-carotene and PVA in orange maize that can be delivered to consumers through nutrition education.

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Additional Info

Field Value
Creator Alamu, Oladeji
Creator Affiliation International Institute of Tropical Agriculture (IITA)
Creator ID Type ORCID
Creator ID 0000-0001-6263-1359
Subject Vocab (AGROVOC/GACS/CAB) Yellow maize,Hybrids,Harvesting time,Replication,Husk,Lutein,Zeaxanthin,Carotenes,Provitamins,Vitamins,Maturity
Subject(s) Maize
Publisher International Institute of Tropical Agriculture (IITA)
Contributor Person Olaofe, Olorunfemi; Maziya-Dixon, Bussie; Menkir, Abebe
Contributor Role
Contributor Project Lead Organisation Center International Institute of Tropical Agriculture (IITA)
Contributor Project Lead Center International Institute of Tropical Agriculture (IITA)
Contributor CRP CGIAR Research Program on Agriculture for Nutrition and Health (A4NH)
Contributor Partner Not Applicable
Contributor Donor IITA Core
Contributor Project Not Applicable
Contributor Affiliation International Institute of Tropical Agriculture (IITA)
Open-Access status Open Access
Production Date 2011-08-25
Embargo End Date
Content Type Dataset
File Format csv
Identifier Type DOI
Identifier https://doi.org/10.25502/xbdj-7486/d
Identifier Citation Bioactive compounds of freshly harvested open pollinated varieties (OPV) of orange maize (zea mays): varietal, maturity, and boiling methods effects, Alamu, E. O., Maziya-Dixon, B., Menkir, A. and Olaofe, O.*, in: Cogent Chemistry, volume 4, number -:1507489, pages 1-17, ISSN 2331-2009, 2018. DOI: 10.1080/23312009.2018.1507489 Effects of husk and harvest time on carotenoid content and acceptability of roasted fresh cobs of orange maize hybrids, Alamu, E. O., Menkir, A., Maziya-Dixon, B. and Olaofe, O.*, in: Food Science & Nutrition, pages 1-10, ISSN 2048-7177, 2014. DOI: 10.1002/fsn3.179 Effects of husk and harvesting time on provitamin A activity and sensory properties of boiled fresh orange maize hybrids, Alamu, E. O., Maziya-Dixon, B., Menkir, A. and Olaofe, O.*, in: Journal of Food Quality, pages 1-9, ISSN 0146-9428, 2015. DOI: 10.1111/jfq.12158
Source Characterization and product development of improved and biofortified maize, cowpea, soybean and cassava varieties
Language English
Relation Not Applicable
Agroecological Zone Subhumid warm tropics
Coverage Region Western Africa
Coverage country Nigeria
Coverage Admin Unit Not Applicable
Coverage X 7.37754, 6.87174
Coverage Y 3.94704, 3.71051
Coverage Start Date 2010-04-03
Coverage End Date 2011-08-25
Contact Alamu, Oladeji; Food Science and Technology, International Institute of Tropical Agriculture (IITA)
Contact Email o.alamu@cgiar.org
Restriction CC-BY 4.0
Email Permission Not Applicable
Rights CC-BY 4.0