ArticleBMC plant biology2018
Preharvest application of ethephon and postharvest UV-B radiation improve quality traits of beetroot (Beta vulgaris L. ssp. vulgaris) as source of colourant.
Article in BMC plant biology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed, 27 citations in OpenAlex.
- Blue Light and Methyl Jasmonate Synergistically Enhance Betalain Accumulation, Antioxidant Enzyme Activity, and Osmotic Adjustment in Sugar Beet (Plants (Basel, Switzerland) · 2026Article
- An Aqueous Extract ofInternational journal of molecular sciences · 2026Article
- Convergence between light quality and methyl jasmonate signaling in the regulation of betalain biosynthesis.Frontiers in plant science · 2026Review
- Beetroot leaf extract enhances gut motility in a model of loperamide-induced constipation in male rats: A phytopharmacological study.Physiological reports · 2025Article
- Efficient nanostructured materials to reduce nutrient leaching to overcome environmental contaminants.Scientific reports · 2024Article
- Reactive oxygen species derived from NADPH oxidase as signaling molecules regulate fatty acids and astaxanthin accumulation inFrontiers in microbiology · 2024Article
- Nutritional and Physiological Effects of Postharvest UV Radiation on Vegetables: A Review.Journal of agricultural and food chemistry · 2023Review
- Identification of WRKY gene family members in amaranth based on a transcriptome database and functional analysis ofFrontiers in plant science · 2023Article
- Betalains and their applications in food: The current state of processing, stability and future opportunities in the industry.Food chemistry. Molecular sciences · 2022Article
- Environmental effects of stratospheric ozone depletion, UV radiation, and interactions with climate change: UNEP Environmental Effects Assessment Panel, Update 2020.Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology · 2021Article
- Gene Regulatory Network Guided Investigations and Engineering of Storage Root Development in Root Crops.Frontiers in plant science · 2020Review
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundBetanins have become excellent replacers for artificial red-purple food colourants. Red beet (Beta vulgaris L. spp. vulgaris) known as beetroot, is a rich source of betalains, which major forms are betanin (red to purple) and vulgaxanthin (yellow). Betalains and phenolic compounds are secondary metabolites, accumulation of which is often triggered by elicitors during plant stress responses. In the present study, pre-harvest applications of ethephon (an ethylene-releasing compound) and postharvest UV-B radiation were tested as elicitors of betalains and phenolic compounds in two beetroot cultivars. Their effects on quality parameters were investigated, and the expression of biosynthetic betalain genes in response to ethephon was determined.
resultsEthephon was applied as foliar spray during the growth of beetroot, resulting in increased betanin (22.5%) and decreased soluble solids contents (9.4%), without detrimental effects on beetroot yield. The most rapid accumulation rate for betanin and soluble solids was observed between 3 and 6 weeks after sowing in both untreated and ethephon-treated beetroots. Overall, the expression of the betalain biosynthetic genes (CYP76AD1, CYP76AD5, CYP76AD6 and DODA1), determining the formation of both betanin and vulgaxanthin, increased in response to ethephon treatment, as did the expression of the betalain pathway activator BvMYB1. In the postharvest environment, the use of short-term UV-B radiation (1.23 kJ m
conclusionsThe results of this study provide novel strategies to improve key profitability traits in betalain production. High betanin concentration and high betanin to vulgaxanthin ratio increase the commercial value of the colourant product. In addition, lowering soluble solids levels facilitates higher concentration of beetroot colour during processing. Moreover, we show that enhanced betanin content in ethephon-treated beetroots is linked to increased expression of betalain biosynthetic genes.
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