Selenium fertilization on lentil (Lens culinaris Medikus) grain yield, seed selenium concentration, and antioxidant activity

Ekanayake, Lukshman J.; Thavarajah, Dil; Vial, Eric; Schatz, Blaine; McGee, Rebecca J.; Thavarajah, Pushparajah

doi:10.1016/j.fcr.2015.03.002

Cited by 72 publications

(41 citation statements)

References 31 publications

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“…The application of selenate led to greater Se concentrations in leaves and seed of cowpea than the application of selenite at the same rate (Figs and ). This is consistent with many previous studies reporting that the application of selenate leads to greater Se concentrations in above‐ground organs than the application of selenite at an equivalent rate, for example in shoots of Indian mustard, in the roots, stems, leaves, and grain of wheat, and in seeds of lentils …”

Section: Discussionsupporting

confidence: 93%

“…This is consistent with many previous studies reporting that the application of selenate leads to greater Se concentrations in above-ground organs than the application of selenite at an equivalent rate, for example in shoots of Indian mustard, in the roots, stems, leaves, and grain of wheat, 32,33 and in seeds of lentils. 34 In plants, the uptake of selenate and its translocation from roots to shoots is faster than that of selenite. 16 Indeed, only a minor fraction of the selenite taken up by roots is translocated from roots to shoots because it is readily converted into organic forms.…”

Section: Discussionmentioning

confidence: 99%

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Agronomic biofortification of cowpea with selenium: effects of selenate and selenite applications on selenium and phytate concentrations in seeds

et al. 2019

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BACKGROUND Selenium (Se) is a nutrient for animals and humans, and is considered beneficial to higher plants. Selenium concentrations are low in most soils, which can result in a lack of Se in plants, and consequently in human diets. Phytic acid (PA) is the main storage form of phosphorus in seeds, and it is able to form insoluble complexes with essential minerals in the monogastric gut. This study aimed to establish optimal levels of Se application to cowpea, with the aim of increasing Se concentrations. The efficiency of agronomic biofortification was evaluated by the application of seven levels of Se (0, 2.5, 5, 10, 20, 40, and 60 g ha−1) from two sources (selenate and selenite) to the soil under field conditions in 2016 and 2017. RESULTS Application of Se as selenate led to greater plant Se concentrations than application as selenite in both leaves and grains. Assuming human cowpea consumption of 54.2 g day−1, Se application of 20 g ha−1 in 2016 or 10 g ha−1 in 2017 as selenate would have provided a suitable daily intake of Se (between 20 and 55 μg day−1) for humans. Phytic acid showed no direct response to Se application. CONCLUSION Selenate provides greater phytoavailability than selenite. The application of 10 g Se ha−1 of selenate to cowpea plants could provide sufficient seed Se to increase daily human intake by 13–14 μg d−1. © 2019 Society of Chemical Industry

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Section: Discussionsupporting

confidence: 93%

Section: Discussionmentioning

confidence: 99%

Agronomic biofortification of cowpea with selenium: effects of selenate and selenite applications on selenium and phytate concentrations in seeds

et al. 2019

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“…Lentils (Lens culinaris L.) are an important pulse crop worldwide and have notable health benefits; lentils are grown in over 70 countries and are consumed in more than 100 countries (Campos-Vega et al 2010;Bautista-Expósito et al 2018a). Compared to other grains, lentils are emerging as a major pulse crop because lentils are an excellent fit in existing crop rotations, and as a result, a fivefold increase in the global production of lentils has occurred during the last five decades (Ekanayake et al 2015;Joshi et al 2017). This legume is a dietary source of carbohydrates (40-50%), protein (20-30%), fiber, essential minerals and other micronutrients that are important to human nutrition (Bautista-Expósito et al 2018a;Siva et al 2018).…”

Section: Introductionmentioning

confidence: 99%

Solid-state fermentation as an efficient strategy for the biotransformation of lentils: enhancing their antioxidant and antidiabetic potentials

Magro

Silva

Rasera

et al. 2019

Bioresour. Bioprocess.

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Background: Fermentation is a classic industrial process that can be applied as an efficient strategy to increase the release of bioactive compounds with antioxidant and antidiabetic activities. Methods: This work reported the effects of solid-state fermentation (SSF) performed using strains of Aspergillus oryzae and Aspergillus niger on the antioxidant (DPPH, ABTS and FRAP) and in vitro antidiabetic (inhibition of α-amylase and α-glucosidase activities) potential of lentils. Results: The results showed that the profiles of the biological activities of the extracts obtained from the fermented samples varied greatly with respect to both the microorganism involved and the fermentation time. The extracts obtained from the fermented lentils by A. oryzae after 72 h and by A. niger after 48 h using the FRAP assay showed the most remarkable changes in the antioxidant activity, increasing by 107 and 81%, respectively, compared to the nonfermented lentils. The lentil extracts produced by fermentation with A. niger after 48 h were able to inhibit the α-glucosidase activity by up to 90%, while a maximal inhibition of amylase (~ 75%) was achieved by the lentil extract obtained after 24 h of fermentation with A. oryzae. The content of the total phenolic compounds (TPCs) and the identification of them in lentil extracts correlated well with the improvement of the biological activities. Conclusion: These results suggested that SSF was feasible to obtain extracts of fermented lentils with improved antioxidant and antidiabetic properties. Additionally, these results indicated that the proper choice of microorganism is crucial to direct the process for the production of compounds with specific biological activities.

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“…Various studies have revealed that Se fertilizer can improve yield and quality in wheat and rice . Moreover, it can effectively increase Se content of crop edible parts and reduce accumulation of heavy metals . Most of those studies, however, have selected inorganic Se as the main source of Se fertilizer, and more focused on the effects of application method, application rate and number on crop quality and Se concentration …”

Section: Introductionmentioning

confidence: 99%

Changes in sugar content and related enzyme activities in table grape (Vitis vinifera L.) in response to foliar selenium fertilizer

Zhu

Liang

et al. 2017

J Sci Food Agric

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Selenium fertilization on lentil (Lens culinaris Medikus) grain yield, seed selenium concentration, and antioxidant activity

Cited by 72 publications

References 31 publications

Agronomic biofortification of cowpea with selenium: effects of selenate and selenite applications on selenium and phytate concentrations in seeds

Agronomic biofortification of cowpea with selenium: effects of selenate and selenite applications on selenium and phytate concentrations in seeds

Solid-state fermentation as an efficient strategy for the biotransformation of lentils: enhancing their antioxidant and antidiabetic potentials

Changes in sugar content and related enzyme activities in table grape (Vitis vinifera L.) in response to foliar selenium fertilizer

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