<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Soybean (<italic>Glycine max</italic> L.) sprouts are a common vegetable with rich nutrients, such as protein, vitamin C and isoflavones. Soybean is also capable of accumulating selenium (Se). To study the effects of Se biofortification on the nutrient of this crop, soybean sprouts were treated with different concentrations of selenium nanoparticles (SeNPs) or selenite (i.e., 10 μM, 20 μM, 40 μM, 80 μM and 100 μM) in a hydroponic experiment. Results showed that SeNPs and selenite remarkably increased the total Se concentration in soybean sprouts. Five Se speciations, namely, selenocystine, selenomethionine, methyl selenocysteine, selenite and selenate were detected in soybean sprouts, but selenomethionine was found to be the dominant Se speciation. SeNPs and selenite increased the contents of chlorophyll, carotenoid, soluble sugar, soluble protein, vitamin C and isoflavones in soybean sprouts. SeNPs treatments led to less malondialdehyde content compared with selenite. SeNPs and selenite both enhanced the glutathione content. The modest dosage of exogenous Se stimulated the catalase activity, whereas the large amount reduced it. The peroxidase and ascorbate peroxidase activities were stimulated by SeNPs and selenite. SeNPs posed no significant influence on the superoxide dismutase activity. This study suggests that SeNPs are a good exogenous Se source for the production of Se-rich soybean sprouts.</p>
</abstract>

Soybean (Glycine max L.) sprouts are a common vegetable with rich nutrients, such as protein, vitamin C and isoflavones. Soybean is also capable of accumulating selenium (Se). To study the effects of Se biofortification on the nutrient of this crop, soybean sprouts were treated with different concentrations of selenium nanoparticles (SeNPs) or selenite (i.e., 10 μM, 20 μM, 40 μM, 80 μM and 100 μM) in a hydroponic experiment. Results showed that SeNPs and selenite remarkably increased the total Se concentration in soybean sprouts. Five Se speciations, namely, selenocystine, selenomethionine, methyl selenocysteine, selenite and selenate were detected in soybean sprouts, but selenomethionine was found to be the dominant Se speciation. SeNPs and selenite increased the contents of chlorophyll, carotenoid, soluble sugar, soluble protein, vitamin C and isoflavones in soybean sprouts. SeNPs treatments led to less malondialdehyde content compared with selenite. SeNPs and selenite both enhanced the glutathione content. The modest dosage of exogenous Se stimulated the catalase activity, whereas the large amount reduced it. The peroxidase and ascorbate peroxidase activities were stimulated by SeNPs and selenite. SeNPs posed no significant influence on the superoxide dismutase activity. This study suggests that SeNPs are a good exogenous Se source for the production of Se-rich soybean sprouts.

Comparative study of the effects of selenium nanoparticles and selenite on selenium content and nutrient quality in soybean sprouts

School of Modern Industry for Selenium Science and Engineering, National R&D Center for Se-rich Agricultural Products Processing Technology

Hubei Key Laboratory of Food Crop Germplasm and Genetic Improvement

Folia Horticulturae

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Soybean (Glycine max L.) sprouts are a common vegetable with rich nutrients, such as protein, vitamin C and isoflavones. Soybean is also capable of...

Comparative study of the effects of selenium nanoparticles and selenite on selenium content and nutrient quality in soybean sprouts

Article Category: Original Article

Published Online: Dec 31, 2022

Page range: 223 - 234

Received: Jan 21, 2022

Accepted: Oct 25, 2022

DOI: https://doi.org/10.2478/fhort-2022-0017

Keywords
nutrient, selenite, selenium forms, selenium nanoparticles, soybean sprouts

© 2022 Shen Rao et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Comparative study of the effects of selenium nanoparticles and selenite on selenium content and nutrient quality in soybean sprouts

Article Category: Original Article

Published Online: Dec 31, 2022

Page range: 223 - 234

Received: Jan 21, 2022

Accepted: Oct 25, 2022

DOI: https://doi.org/10.2478/fhort-2022-0017

Keywordsnutrient, selenite, selenium forms, selenium nanoparticles, soybean sprouts

© 2022 Shen Rao et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
nutrient, selenite, selenium forms, selenium nanoparticles, soybean sprouts