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Influence of storage duration on retention of kernel tocopherols in vte4-based biofortified maize genotypes

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Title Influence of storage duration on retention of kernel tocopherols in vte4-based biofortified maize genotypes
 
Creator Shalma Maman, Firoz Hossain, Ashvinkumar Katral, Rajkumar Uttamrao Zunjare, Nisrita Gain, Shashidhar Bayappa Reddappa, Ravindra Kumar Kasana, Javaji Chandra Sekhar, Chirravuri Naga Neeraja, Devendra Kumar Yadava, Vignesh Muthusamy
 
Subject Maize, Biofortification
 
Description Not Available
The degradation of tocopherols during post-harvest storage poses a challenge to their efficacy in addressing vitamin E deficiency (VED), a problem faced by humans. Here, a diverse panel of vte4 gene-based inbreds along with their wild-type genotypes was analyzed to study genetic variation for retention of tocopherols during conventional storage (temperature: 25–30 °C and humidity: 42–82%) for six months. vte4-based inbreds possessed 2-fold higher tocopherol fractions over normal inbreds immediately after harvest [0 days after storage (DAS)]. High genetic variation for retention of tocopherol fractions viz. α-tocopherol (17.20–45.44%), γ-tocopherol (30.46–44.03%), and δ-tocopherol (20.51–33.87%) was observed after six months of storage (180 DAS) among vte4-based inbreds, whereas, normal inbreds possessed comparatively low genetic variation α-tocopherol (8.54–12.29%), γ-tocopherol (23.74–27.48%) and δ-tocopherol (15.88–23.68%). A major fraction of α-tocopherol, and δ-tocopherol was lost during the last three months of storage (3rd month: 31.00% loss, 6th month: 75.22%), meanwhile, γ-tocopherol showed comparatively slower degradation (3rd month: 31.62% loss, 6th month: 65.56% loss). HKI323-PVE (45.44%), HKI1105-PVE (24.08%), HKI161-PVE (23.17%) and HKI1128-PVE (22.73%) were the promising maize inbreds with higher retention of α-tocopherol at 180 DAS. These potential inbreds can be effectively used as valuable genetic resources in the biofortification programme, and the contrasting genotypes distinctly differing for retention of tocopherols can be used to map the loci for higher retention of tocopherols.
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Date 2024-07-24T12:40:21Z
2024-07-24T12:40:21Z
2023-08-25
 
Type Article
 
Identifier Shalma Maman, Firoz Hossain, Ashvinkumar Katral, Rajkumar Uttamrao Zunjare, Nisrita Gain, Shashidhar Bayappa Reddappa, Ravindra Kumar Kasana, Javaji Chandra Sekhar, Chirravuri Naga Neeraja, Devendra Kumar Yadava, Vignesh Muthusamy, Influence of storage duration on retention of kernel tocopherols in vte4-based biofortified maize genotypes, Journal of Food Composition and Analysis, Volume 123, 2023, 105626, ISSN 0889-1575, https://doi.org/10.1016/j.jfca.2023.105626.
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http://krishi.icar.gov.in/jspui/handle/123456789/83933
 
Language English
 
Relation Not Available;
 
Publisher ResearchSquare