Aluminum and UV-C light on seed germination and initial growth of white oats

Puntel, Raissa Tainá; Stefanello, Raquel; Jesus da Silva Garcia, Wagner; Strazzabosco Dorneles, Lucio

doi:10.1080/15287394.2024.2405720

Journal of Toxicology and Environmental Health, Part A

2024

DOI: 10.1080/15287394.2024.2405720

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Aluminum and UV-C light on seed germination and initial growth of white oats

Raissa Tainá Puntel,

Raquel Stefanello,

Wagner Jesus da Silva Garcia

et al.

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2024

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Optimization of Ultraviolet-B Treatment for Enrichment of Total Flavonoids in Buckwheat Sprouts Using Response Surface Methodology and Study on Its Metabolic Mechanism

Xue,

Hu,

Yang

et al. 2024

Foods

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Buckwheat possesses significant nutritional content and contains different bioactive compounds, such as total flavonoids, which enhance its appeal to consumers. This study employed single-factor experiments and the response surface methodology to identify the optimal germination conditions for enhancing the total flavonoid content in buckwheat sprouts through ultraviolet-B treatment. The research showed that buckwheat sprouts germinated for 3 days at a temperature of 28.7 °C while being exposed to ultraviolet-B radiation at an intensity of 30.0 μmol·m−2·s−1 for 7.6 h per day during the germination period resulted in the highest total flavonoid content of 1872.84 μg/g fresh weight. Under these specified conditions, ultraviolet-B treatment significantly elevated the activity and gene expression levels of enzymes related to the phenylpropanoid metabolic pathway, including phenylalanine ammonia-lyase, cinnamic acid 4-hydroxylase, 4-coumarate coenzyme A ligase, and chalcone isomerase. Ultraviolet-B treatment caused oxidative damage to buckwheat sprouts and inhibited their growth, but ultraviolet-B treatment also enhanced the activity of key enzymes in the antioxidant system, such as catalase, peroxidase, superoxide dismutase, and ascorbate peroxidase. This research provided a technical reference and theoretical support for enhancing the isoflavone content in buckwheat sprouts through ultraviolet-B treatment.

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Optimization of Ultraviolet-B Treatment for Enrichment of Total Flavonoids in Buckwheat Sprouts Using Response Surface Methodology and Study on Its Metabolic Mechanism

Xue,

Hu,

Yang

et al. 2024

Foods

View full text Add to dashboard Cite

show abstract

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Aluminum and UV-C light on seed germination and initial growth of white oats

Cited by 1 publication

References 47 publications

Optimization of Ultraviolet-B Treatment for Enrichment of Total Flavonoids in Buckwheat Sprouts Using Response Surface Methodology and Study on Its Metabolic Mechanism

Optimization of Ultraviolet-B Treatment for Enrichment of Total Flavonoids in Buckwheat Sprouts Using Response Surface Methodology and Study on Its Metabolic Mechanism

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