期刊
FOODS
卷 11, 期 9, 页码 -出版社
MDPI
DOI: 10.3390/foods11091343
关键词
breeding; diversity; G x E; heritability; recombinant inbred lines; tocol; wheat
资金
- COST (European Cooperation in Science and Technology) [18101]
- National Research, Development and Innovation Office, Hungary [135211, 135343]
- Eotvos Lorand Research Network [SA-25/2021]
- Biotechnology and Biological Sciences Research Council (BBSRC) of the UK
- Designing Future Wheat Institute Strategic Programme [BB/P016855/1]
The study analyzed the tocol content and composition in the grain of 230 recombinant inbred lines of a diverse biparental wheat population, showing a wide variation in the total amount and indicating a potential for increasing tocols. The research demonstrated significant genotype effects on tocopherols and suggested a promising breeding strategy based on the high heritability and total variation found in the study.
Wheat is a well-known source of B vitamins but also contains significant amounts of vitamin E and related tocols, which have a number of positive health benefits. However, there are no reports on increasing the tocol content of wheat. A prerequisite for increasing the tocol content is the identification of variation in its amount within wheat and related cereals. We therefore determined the tocol content and composition in the grain of 230 recombinant inbred lines (RILs) of a diverse biparental wheat population (Mv Toborzo/Tommi), showing variation in the total content from 13.69 to 45.18 mu g/g d.m. The total content also showed transgressive segregation in the population. The effect of the genotype on the variance components of tocols was studied, and the broad-sense heritability was calculated to be 0.71. The lines were also grouped based on their tocol content and analyzed for their chemical composition and breadmaking quality. The high heritability value and the wide variation found in the total amount indicate that increasing the content of tocols is a possible breeding strategy.
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