Fermented Nettles: Bioactive Profile and Seasonal Variability Article Swipe
Romana Praženicová
,
Andrei Larkov
,
Kateřina Hanzelková
,
Anton Korban
,
Tomáš Křížek
,
Veronika Hýsková
,
Tomáš Ječmen
,
Jakub Hraníček
,
Denisa Vlčková
,
Alena Gaudinova
,
Petre Dobrev
,
Radomira Vankova
,
Helena Ryšlavá
,
Kateřina Bělonožníková
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.3390/nitrogen6040109
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.3390/nitrogen6040109
In traditional horticulture, fermented nettles (FN) enhance plant growth and resilience. However, their precise mode of action remains unclear. This study aims to characterize the bioactive profile of FN and to evaluate their potential as biostimulants beyond organic fertilizers. For this purpose, FN samples were prepared from Urtica dioica L. harvested in different seasons and analyzed by mass spectrometry (ICP-MS, LC-MS/MS, and GC×GC-MS), electrophoresis, and spectrophotometry to quantify macro- and micronutrients, nitrogen compounds, phytohormones, antioxidant capacity, enzyme activities, and microbial viability. The results show that FN are rich in essential nutrients (N, K, Ca, Fe, and Zn), hydrolytic enzymes (proteases, glycosidases and phosphatases), and phytohormones (auxins, cytokinins, gibberellins, abscisic acid, and salicylic acid). FN contain volatile compounds with potential antimicrobial effects, in addition to strong antioxidant properties. The monitored parameters support the dual role of FN as fertilizers and biostimulants, suggesting that FN act synergistically through nutrient enrichment, enzymatic degradation of macromolecules, hormonal signaling, and microbial priming. Based on our data, particularly because of the highest microbial viability and enzyme activities, the summer FN seem like the most suitable option. Moreover, the seasonal variability in composition highlights the importance of timing the harvest to optimize FN efficacy in sustainable agriculture.
Related Topics
Concepts
Fermentation
Nutrient
Food science
Antioxidant
Antimicrobial
Abscisic acid
Biology
Salicylic acid
Enzymatic hydrolysis
Enzyme
Fermentation in food processing
Botany
Chemistry
Biofertilizer
Urtica dioica
Enzyme assay
Rhizosphere
Biochemistry
Bioactive compound
Bacteria
Hydrolysis
Biotechnology
Mode of action
Bacterial growth
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/nitrogen6040109
- https://www.mdpi.com/2504-3129/6/4/109/pdf?version=1763991488
- OA Status
- gold
- References
- 97
- OpenAlex ID
- https://openalex.org/W7106508047
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
-
https://openalex.org/W7106508047Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.3390/nitrogen6040109Digital Object Identifier
- Title
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Fermented Nettles: Bioactive Profile and Seasonal VariabilityWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
-
2025Year of publication
- Publication date
-
2025-11-24Full publication date if available
- Authors
-
Romana Praženicová, Andrei Larkov, Kateřina Hanzelková, Anton Korban, Tomáš Křížek, Veronika Hýsková, Tomáš Ječmen, Jakub Hraníček, Denisa Vlčková, Alena Gaudinova, Petre Dobrev, Radomira Vankova, Helena Ryšlavá, Kateřina BělonožníkováList of authors in order
- Landing page
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https://doi.org/10.3390/nitrogen6040109Publisher landing page
- PDF URL
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https://www.mdpi.com/2504-3129/6/4/109/pdf?version=1763991488Direct link to full text PDF
- Open access
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YesWhether a free full text is available
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goldOpen access status per OpenAlex
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https://www.mdpi.com/2504-3129/6/4/109/pdf?version=1763991488Direct OA link when available
- Concepts
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Fermentation, Nutrient, Food science, Antioxidant, Antimicrobial, Abscisic acid, Biology, Salicylic acid, Enzymatic hydrolysis, Enzyme, Fermentation in food processing, Botany, Chemistry, Biofertilizer, Urtica dioica, Enzyme assay, Rhizosphere, Biochemistry, Bioactive compound, Bacteria, Hydrolysis, Biotechnology, Mode of action, Bacterial growthTop concepts (fields/topics) attached by OpenAlex
- Cited by
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0Total citation count in OpenAlex
- References (count)
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97Number of works referenced by this work
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