alexa Genetic Variability In Nutritional Profile Of Maize Germplasm | 5618
ISSN: 2157-7110

Journal of Food Processing & Technology
Open Access

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Genetic variability in nutritional profile of maize germplasm

International Conference and Exhibition on Food Processing & Technology

Sapna Singh, D.P.Chaudhary, Pallavi Srivastava and Shiwani Mandhania

Posters: J Food Process Technol

DOI: 10.4172/2157-7110.S1.010

Nutritional variability and Euclidean coefficient of dissimilarity (distance) for nine nutritional quality parameters, viz., protein, tryptophan, specific gravity, 100 kernel weight, sugar, starch, oil, total carotenoids and β-carotene studied in 22 elite maize genotypes received from various AICRP centres located across India revealed a variation in protein content from 8.23 to 12.34%. A significant variation in tryptophan content was observed (0.33 to 0.81% of endosperm protein). Starch content showed a significant variation ranging from 58.9 to 72.2% of mature kernel. Sugar content varied from 3.46 to 8.36%. Most of the genotypes exhibited oil in the ranges 3-5%. A significant achievement of the present study was the wide variability observed in the caroteniods and β-carotene content of these samples. Carotenoids content ranges from 0.84 to 27.4 μg/g, whereas the pro-vitamin A was found to be present in the range of 0.31 to 6.96 μg/g in the samples. Euclidean coefficient of dissimilarity (distance) based on quality parameters distributed 22 genotypes in four clusters. Cluster I contains highest number of genotypes followed by Cluster II and IV whereas cluster III contains only two genotypes. The highest distance was observed in HKI 1105 and HKI 164-3(2-1)-1, further followed by HKI 1128 and HKI 164-D-3-3-2, HKI 164-3(2-1)-1 and HKI 164-3(2-1)-1. Present study suggests that the wide variability observed in the nutritional and genetic profile of the 22 genotypes could greatly help in the future breeding programs for developing nutritionally superior maize cultivars.
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