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Preharvest and Postharvest Applications of Fe-Based Nanomaterials: A Potent Strategy for Improving Pepper Storage.

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Title: Preharvest and Postharvest Applications of Fe-Based Nanomaterials: A Potent Strategy for Improving Pepper Storage.
Authors: Cheng, Zhuang1,2 (AUTHOR), Yuan, Xianzheng2,3 (AUTHOR), Cao, Xuesong1,2,3 (AUTHOR), Jia, Zhemin1,2 (AUTHOR), Hao, Fang1,2 (AUTHOR), Chen, Jiayi1,2,3 (AUTHOR), Yue, Le1,2 (AUTHOR) leyue@jiangnan.edu.cn, Wang, Zhenyu1,2 (AUTHOR)
Source: Nanomaterials (2079-4991). Apr2025, Vol. 15 Issue 7, p497. 18p.
Subjects: Agricultural productivity, Fruit storage, Preservation of fruit, Plant growth, Photosynthetic rates, 1-Methylcyclopropene
Abstract: Nanomaterials (NMs) hold significant potential for enhancing agricultural production, extending the shelf life, and maintaining the quality of postharvest vegetables and fruits. In this study, after foliar spraying with 1, 10, and 50 mg of L−1 Fe-P NMs at different stages (seedling, flowering, and fruit stage), the pepper plant growth was significantly improved. In particular, the foliar application of 10 mg of L−1 Fe-P NMs during the flowering stage was found to be an optimal cultivation approach to promote the growth, yield, and freshness of peppers. Compared with the control group, Fe-P NMs increased net photosynthetic rate, plant height, and fruit number by 132.7%, 40.4%, and 265.7%, respectively. The applied Fe-P NMs, at the flowering stage, altered the capsaicin metabolic pathway, upregulating the genes for the synthesis of total phenols, flavonoids, lignans, and capsaicinoids. Consequently, these metabolites, which are beneficial for maintaining the freshness of pepper fruits, were increased. Furthermore, Fe-P NMs at the flowering stage downregulated the abundance of rot-causing microorganisms (Enterobacter and Chryseobacterium) and upregulated beneficial microorganisms (Pseudomonas, Arthrobacter, Sphingobacterium, and Paenibacillus) to change the microbial community structure. This ultimately created a micro-ecological environment conducive to the preservation of pepper fruits. For comparison, during pepper fruit storage, dipping and spraying with Fe-P NM suspensions effectively delayed weight loss and enhanced the growth of beneficial bacteria. Nevertheless, the effect was less pronounced than preharvest foliar application. This study provides insights into the pre- or postharvest application of NMs for improving the preservation performance of pepper fruits. [ABSTRACT FROM AUTHOR]
Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Preharvest and Postharvest Applications of Fe-Based Nanomaterials: A Potent Strategy for Improving Pepper Storage.
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  Data: <searchLink fieldCode="AR" term="%22Cheng%2C+Zhuang%22">Cheng, Zhuang</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yuan%2C+Xianzheng%22">Yuan, Xianzheng</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cao%2C+Xuesong%22">Cao, Xuesong</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jia%2C+Zhemin%22">Jia, Zhemin</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hao%2C+Fang%22">Hao, Fang</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Jiayi%22">Chen, Jiayi</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yue%2C+Le%22">Yue, Le</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> leyue@jiangnan.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Wang%2C+Zhenyu%22">Wang, Zhenyu</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Nanomaterials+%282079-4991%29%22">Nanomaterials (2079-4991)</searchLink>. Apr2025, Vol. 15 Issue 7, p497. 18p.
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  Data: <searchLink fieldCode="DE" term="%22Agricultural+productivity%22">Agricultural productivity</searchLink><br /><searchLink fieldCode="DE" term="%22Fruit+storage%22">Fruit storage</searchLink><br /><searchLink fieldCode="DE" term="%22Preservation+of+fruit%22">Preservation of fruit</searchLink><br /><searchLink fieldCode="DE" term="%22Plant+growth%22">Plant growth</searchLink><br /><searchLink fieldCode="DE" term="%22Photosynthetic+rates%22">Photosynthetic rates</searchLink><br /><searchLink fieldCode="DE" term="%221-Methylcyclopropene%22">1-Methylcyclopropene</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Nanomaterials (NMs) hold significant potential for enhancing agricultural production, extending the shelf life, and maintaining the quality of postharvest vegetables and fruits. In this study, after foliar spraying with 1, 10, and 50 mg of L−1 Fe-P NMs at different stages (seedling, flowering, and fruit stage), the pepper plant growth was significantly improved. In particular, the foliar application of 10 mg of L−1 Fe-P NMs during the flowering stage was found to be an optimal cultivation approach to promote the growth, yield, and freshness of peppers. Compared with the control group, Fe-P NMs increased net photosynthetic rate, plant height, and fruit number by 132.7%, 40.4%, and 265.7%, respectively. The applied Fe-P NMs, at the flowering stage, altered the capsaicin metabolic pathway, upregulating the genes for the synthesis of total phenols, flavonoids, lignans, and capsaicinoids. Consequently, these metabolites, which are beneficial for maintaining the freshness of pepper fruits, were increased. Furthermore, Fe-P NMs at the flowering stage downregulated the abundance of rot-causing microorganisms (Enterobacter and Chryseobacterium) and upregulated beneficial microorganisms (Pseudomonas, Arthrobacter, Sphingobacterium, and Paenibacillus) to change the microbial community structure. This ultimately created a micro-ecological environment conducive to the preservation of pepper fruits. For comparison, during pepper fruit storage, dipping and spraying with Fe-P NM suspensions effectively delayed weight loss and enhanced the growth of beneficial bacteria. Nevertheless, the effect was less pronounced than preharvest foliar application. This study provides insights into the pre- or postharvest application of NMs for improving the preservation performance of pepper fruits. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.3390/nano15070497
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      – Code: eng
        Text: English
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        PageCount: 18
        StartPage: 497
    Subjects:
      – SubjectFull: Agricultural productivity
        Type: general
      – SubjectFull: Fruit storage
        Type: general
      – SubjectFull: Preservation of fruit
        Type: general
      – SubjectFull: Plant growth
        Type: general
      – SubjectFull: Photosynthetic rates
        Type: general
      – SubjectFull: 1-Methylcyclopropene
        Type: general
    Titles:
      – TitleFull: Preharvest and Postharvest Applications of Fe-Based Nanomaterials: A Potent Strategy for Improving Pepper Storage.
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            NameFull: Cheng, Zhuang
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            – D: 01
              M: 04
              Text: Apr2025
              Type: published
              Y: 2025
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