Genetic variation of bioavailable iron and zinc in grain of a maize population   总被引：1，自引：0，他引：1  

Domagoj Šimić  Rezica Sudar  Tatjana Ledenčan  Antun Jambrović  Zvonimir Zdunić  Ivan Brkić  Vlado Kovačević 《Journal of Cereal Science》2009

More than one-third of the world's population is afflicted by iron (Fe) and zinc (Zn) deficiencies, since cereal grain as a staple food of the people contains low levels or low bioavailability of Fe and Zn because of phytate. In maize, 80% of grain phosphorus (P) is in the form of phytate, and P could be an indicator of phytate content. The objectives of this study were (1) to estimate genetic variation of Fe and Zn in a maize population including P/Fe and P/Zn molar ratios as quantitative traits; (2) to determine relations among yield, P, Fe, Zn, P/Fe and P/Zn molar ratios; and (3) to define the implications of those on biofortification (breeding) programmes. There were significant genetic variations and workable heritabilities for Fe, Zn, P/Fe and P/Zn estimated in 294 F4 lines of a maize population, but there were no associations among six traits according to both simple correlations and principal component analysis. Weak correlations between P and Fe and between P and Zn indicated feasibility of breeding non low-phytic acid maize genotypes with more appropriate phytate/Fe and phytate/Zn relations. Bioavailability of iron and zinc varied substantially in a maize population justifying utilisation of these unique parameters in biofortification programmes.  相似文献   

Analysis of Fatty Acid Esters of Hydroxyl Fatty Acid in Selected Plant Food     

Liberati-Čizmek  Ana-Marija  Biluš  Mirna  Brkić  Antun Lovro  Barić  Irena Colić  Bakula  Miro  Hozić  Amela  Cindrić  Mario 《Plant foods for human nutrition (Dordrecht, Netherlands)》2019,74(2):235-240

Plant Foods for Human Nutrition - Metabolic syndrome, characterized by obesity, low-grade inflammation, insulin resistance, hyperglycemia, dyslipidemia and hypertension, is a major risk factor for...  相似文献   

Discriminating maize inbred lines using molecular and DUS data     

Jerko Gunjaca  Ivica Buhinicek  Mirko Jukic  Hrvoje Sarcevic  Antun Vragolovic  Zdravko Kozic  Antun Jambrovic  Ivan Pejic 《Euphytica》2008,161(1-2):165-172

Growing numbers of candidate varieties, decrease of their variability for morphological traits, and internationalization of the national list all contribute to excessive increase of the trial costs, thus creating the need for the improvement of current variety evaluation procedures, especially regards their distinctness, Uniformity, and Stability (DUS) component. Due to rapid advancement in molecular techniques, the use of molecular markers in DUS testing as a complement to, or replacement of, morphological observations became the subject of great interest in scientific studies, and consequently topic for discussion within International Union for the Protection of New Varieties of Plants (UPOV). In order to explore the potential of simple sequence repeat (SSR) markers for distinctness tests, present study involved set of 41 maize inbred lines that were scored for 32 DUS characters prescribed by UPOV and genotyped at 28 SSR loci. Results were largely in favor of the use of molecular markers, revealing or confirming their already known advantages over morphological markers like better consistency with the pedigree, and relatively higher discriminative power. However, their integration into DUS testing protocols still depends upon resolving of several important issues.  相似文献