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sativa L.). Crop Res. 27 :94–98. Shashidhar H.E. Correlation and path analysis for root morphological taits in indica × indica population of rice (Oryza sativa L

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mapping of 2240 new SSR markers for rice ( Oryza sativa L.). DNA Res. 9 :199–207. Stein L. Development and mapping of 2240 new SSR markers for rice (Oryza sativa L

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Chair, H., Legavre, T., Guiderdoni, E. (1996) Transformation of haploid, microspore-derived cell suspension protoplasts of rice ( Oryza sativa L.). Plant Cell Rep. 15 , 766–770. Guiderdoni E

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Shi, C.H., Wu, J.G., Lou, X.B., Zhu, J., & Wu, P. (2002b) Genetic analysis of transparency and chalkiness area at different filling stages of rice ( Oryza sativa L.) Field Crops Research, 76:1–9. Wu P

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23 36 37 Krishna, A. (2000): Effect of age of seedlings on performance of rice ( Oryza sativa L.) cultivars under late planted condition. J. Res

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Pigmented rice (Oryza sativa L.) genotypes become increasingly important in the agroindustry due to their bioavailable compounds that have the ability to inhibit the formation and/or to reduce the effective concentration of reactive cell-damaging free radicals. This study aimed at determining the concentrations of free, and bound phytochemicals and their antioxidant potential (DPPH and ABTS assays) as well as the vitamin E and carotenoids contents of non-pigmented and pigmented rice genotypes. The results confirmed that the content of total phenolics and flavonoids contents, as well as the antioxidant capacity (DPPH and ABTS assays) of pigmented rice was several-fold greater than non-pigmented ones (4, 4, 3 and 5 times, respectively). Compounds in the free fraction of pigmented rice had higher antioxidant capacity relative to those in the bound form, whereas the non-pigmented rice cultivars exhibited the opposite trend. Ferulic acid was the main phenolic acid of all rice genotypes, whereas black rice contained protocatechuic and vanillic acids in higher contents than red rice and non-pigmented rice genotypes. For vitamin E (tocopherols and tocotrienols) and carotenoids (lutein, zeaxanthin and β-carotene) contents, no obvious concentration differences were observed between non-pigmented and pigmented rice, with the black rice exhibiting the highest carotenoid content. Overall, pigmented rice genotypes contain a remarkable amount of bioactive compounds with high antioxidant capacity; therefore, they have great potential as a source of bioactives for developing functional food products with improved health benefits.

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Cereal Research Communications
Authors: M.Z. Islam, M.A. Siddique, N. Akter, M.F.R.K. Prince, M.R. Islam, M. Anisuzzaman, and M.A.K. Mian

diversity in sadajira rice ( Oryza sativa L.) germplasm . The Agriculturists. 1 : 26 – 32 . Islam , M.Z. , Akhi , A.H. , Ivy , N.A. , Mian , M.A.K. 2017 . Genetic

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1 277 283 Flowers, T. J., Yeo, A. R. (1981): Variability in the resistance of sodium chloride salinity within rice ( Oryza sativa L.) varieties

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+ ratio influences plant regeneration and auxin sensitivity in primary callus derived from immature embryos of indica rice ( Oryza sativa L.). J Plant Physiol 136:362–367 Hodges T

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162 167 Gregorio, G.B., Senadhira, D. 1993. Genetic analysis of salinity tolerance in rice ( Oryza sativa L.). Theor. Appl. Genet. 86 :333

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