Growth temperature and genotype both play important roles in sorghum grain phenolic composition
Gangcheng Wu,Stuart K. Johnson,Janet F. Bornman,Sarita Jane Bennett,Michael W. Clarke,Vijaya Singh,Zhongxiang Fang,Zhongxiang Fang +7 more
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The results provide new information on the effects of HT on specific polyphenols in various Australian sorghum genotypes, which might be used as a guide to grow high antioxidant Sorghum grains under projected high temperature in the future.Abstract:
Polyphenols in sorghum grains are a source of dietary antioxidants. Polyphenols in six diverse sorghum genotypes grown under two day/night temperature regimes of optimal temperature (OT, 32/21 °C and high temperature (HT, 38/21 °C) were investigated. A total of 23 phenolic compounds were positively or tentatively identified by HPLC-DAD-ESIMS. Compared with other pigmented types, the phenolic profile of white sorghum PI563516 was simpler, since fewer polyphenols were detected. Brown sorghum IS 8525 had the highest levels of caffeic and ferulic acid, but apigenin and luteolin were not detected. Free luteolinidin and apigeninidin levels were lower under HT than OT across all genotypes (p ≤ 0.05), suggesting HT could have inhibited 3-deoxyanthocyanidins formation. These results provide new information on the effects of HT on specific polyphenols in various Australian sorghum genotypes, which might be used as a guide to grow high antioxidant sorghum grains under projected high temperature in the future.read more
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Flavones: Food Sources, Bioavailability, Metabolism, and Bioactivity
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References
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Journal ArticleDOI
Structure-antioxidant activity relationships of flavonoids and phenolic acids
TL;DR: The factors underlying the influence of the different classes of polyphenols in enhancing their resistance to oxidation are discussed and support the contention that the partition coefficients of the flavonoids as well as their rates of reaction with the relevant radicals define the antioxidant activities in the lipophilic phase.
Journal ArticleDOI
Dietary antioxidant flavonoids and risk of coronary heart disease: the Zutphen Elderly Study.
TL;DR: Flavonoids in regularly consumed foods may reduce the risk of death from coronary heart disease in elderly men and showed an inverse relation with incidence of myocardial infarction.
Journal ArticleDOI
Polyphenols: Chemistry, Dietary Sources, Metabolism, and Nutritional Significance
TL;DR: An overview of the nutritional effects of the main groups of polyphenolic compounds, including their metabolism, effects on nutrient bioavailability, and antioxidant activity, is offered, as well as a brief description of the chemistry ofpolyphenols and their occurrence in plant foods.
Journal ArticleDOI
Antioxidant Activity of Grains
Kafui Kwami Adom,Rui Hai Liu +1 more
TL;DR: Bound phytochemicals could survive stomach and intestinal digestion to reach the colon, and may partly explain the mechanism of grain consumption in the prevention of colon cancer, other digestive cancers, breast cancer, and prostate cancer, which is supported by epidemiological studies.
Journal ArticleDOI
The Antioxidant Activity of Regularly Consumed Fruit and Vegetables Reflects their Phenolic and Vitamin C Composition
Anna R. Proteggente,Ananth S. Pannala,George Paganga,Leo Van Buren,Eveline Wagner,Sheila Wiseman,Frans H. M. M. van de Put,Clive Dacombe,Catherine Rice-Evans +8 more
TL;DR: Fruit and vegetables rich in anthocyanins demonstrated the highest antioxidant activities, followed by those rich in flavanones and flavonols, while the hydroxycinnamate-rich fruit consistently elicited the lower antioxidant activities.