Enhancement of Nutrient, Trace Element, and Organic Selenium Contents of Ratooning Rice Grains and Straw Through Foliar Application of Selenite
Selenium (Se) is an essential trace element that has various beneficial effects for human healthy. However, the effects of different Se forms and concentrations on growth and development, photosynthetic characteristics and antioxidant capacity are still unclear with regard to the dual grain-and-feed...
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MDPI AG
2024-11-01
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| author | Wenjiang Wu Deqiang Qi Yalong Chen Jiaqi Wang Qinghua Wang Yanjun Yang Hongbin Niu Quanzhi Zhao Ting Peng |
| author_facet | Wenjiang Wu Deqiang Qi Yalong Chen Jiaqi Wang Qinghua Wang Yanjun Yang Hongbin Niu Quanzhi Zhao Ting Peng |
| author_sort | Wenjiang Wu |
| collection | DOAJ |
| description | Selenium (Se) is an essential trace element that has various beneficial effects for human healthy. However, the effects of different Se forms and concentrations on growth and development, photosynthetic characteristics and antioxidant capacity are still unclear with regard to the dual grain-and-feed dual-use of ratoon rice (RR). In this study, three concentrations of three different Se forms were applied to RR using the foliar spraying method, and the results showed that Se treatment can increase the Se content of rice grain and straw. All the Se treatments improved the photosynthetic indexes and activities of antioxidant enzymes. The Se and trace elements contents, and the percentages of organic Se and protein Se of brown rice were found to be similar in all three Se forms. A higher organic Se content was found in the grain by spraying sodium selenite and Se-Met, in which the resistant starch (RS) content was increased with the increase in amylose content in grains. The main Se species in the grain was SeMet and the SeMeCys was found only with SeMet treatments. The grain quality showed that all three Se forms increased the consistency of gelatinization. Our study indicated that exogenous Se could improve the nutritional quality of both grain and straw by improving photosynthetic traits and antioxidant enzyme activities, especially sodium selenite and Se-Met. These results underscore the potential of foliar biofortification to enhance the functional component contents of RR grains and provide an insight into the Se enrichment of ratoon rice. |
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| language | English |
| publishDate | 2024-11-01 |
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| spelling | doaj-art-d8d287d845c449e396c0fcd86c8cb10e2025-08-20T02:04:52ZengMDPI AGFoods2304-81582024-11-011322363710.3390/foods13223637Enhancement of Nutrient, Trace Element, and Organic Selenium Contents of Ratooning Rice Grains and Straw Through Foliar Application of SeleniteWenjiang Wu0Deqiang Qi1Yalong Chen2Jiaqi Wang3Qinghua Wang4Yanjun Yang5Hongbin Niu6Quanzhi Zhao7Ting Peng8Innovation Center of Henan Grain Crops, Henan Key Laboratory of Rice Biology, Henan Agricultural University, Zhengzhou 450046, ChinaInnovation Center of Henan Grain Crops, Henan Key Laboratory of Rice Biology, Henan Agricultural University, Zhengzhou 450046, ChinaInnovation Center of Henan Grain Crops, Henan Key Laboratory of Rice Biology, Henan Agricultural University, Zhengzhou 450046, ChinaInnovation Center of Henan Grain Crops, Henan Key Laboratory of Rice Biology, Henan Agricultural University, Zhengzhou 450046, ChinaForestry and Fruit Research Institute, Beijing Academy of Agricultural Sciences, Beijing 100089, ChinaFruit Tree Research Institute, Shanxi Agricultural University, Taiyuan 030031, ChinaCollege of Agronomy, Henan Agricultural University, Zhengzhou 450046, ChinaInnovation Center of Henan Grain Crops, Henan Key Laboratory of Rice Biology, Henan Agricultural University, Zhengzhou 450046, ChinaInnovation Center of Henan Grain Crops, Henan Key Laboratory of Rice Biology, Henan Agricultural University, Zhengzhou 450046, ChinaSelenium (Se) is an essential trace element that has various beneficial effects for human healthy. However, the effects of different Se forms and concentrations on growth and development, photosynthetic characteristics and antioxidant capacity are still unclear with regard to the dual grain-and-feed dual-use of ratoon rice (RR). In this study, three concentrations of three different Se forms were applied to RR using the foliar spraying method, and the results showed that Se treatment can increase the Se content of rice grain and straw. All the Se treatments improved the photosynthetic indexes and activities of antioxidant enzymes. The Se and trace elements contents, and the percentages of organic Se and protein Se of brown rice were found to be similar in all three Se forms. A higher organic Se content was found in the grain by spraying sodium selenite and Se-Met, in which the resistant starch (RS) content was increased with the increase in amylose content in grains. The main Se species in the grain was SeMet and the SeMeCys was found only with SeMet treatments. The grain quality showed that all three Se forms increased the consistency of gelatinization. Our study indicated that exogenous Se could improve the nutritional quality of both grain and straw by improving photosynthetic traits and antioxidant enzyme activities, especially sodium selenite and Se-Met. These results underscore the potential of foliar biofortification to enhance the functional component contents of RR grains and provide an insight into the Se enrichment of ratoon rice.https://www.mdpi.com/2304-8158/13/22/3637RRbiofortificationselenitefunctional component contentnutritional quality |
| spellingShingle | Wenjiang Wu Deqiang Qi Yalong Chen Jiaqi Wang Qinghua Wang Yanjun Yang Hongbin Niu Quanzhi Zhao Ting Peng Enhancement of Nutrient, Trace Element, and Organic Selenium Contents of Ratooning Rice Grains and Straw Through Foliar Application of Selenite Foods RR biofortification selenite functional component content nutritional quality |
| title | Enhancement of Nutrient, Trace Element, and Organic Selenium Contents of Ratooning Rice Grains and Straw Through Foliar Application of Selenite |
| title_full | Enhancement of Nutrient, Trace Element, and Organic Selenium Contents of Ratooning Rice Grains and Straw Through Foliar Application of Selenite |
| title_fullStr | Enhancement of Nutrient, Trace Element, and Organic Selenium Contents of Ratooning Rice Grains and Straw Through Foliar Application of Selenite |
| title_full_unstemmed | Enhancement of Nutrient, Trace Element, and Organic Selenium Contents of Ratooning Rice Grains and Straw Through Foliar Application of Selenite |
| title_short | Enhancement of Nutrient, Trace Element, and Organic Selenium Contents of Ratooning Rice Grains and Straw Through Foliar Application of Selenite |
| title_sort | enhancement of nutrient trace element and organic selenium contents of ratooning rice grains and straw through foliar application of selenite |
| topic | RR biofortification selenite functional component content nutritional quality |
| url | https://www.mdpi.com/2304-8158/13/22/3637 |
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