<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The leaves and unripe fruits from 5 walnut clones were tested in terms of mineral composition, antioxidant activity, and the inhibitory effect on model urease. It has been shown that the leaves are richer in minerals and also have higher antioxidant potential than unripe fruits. HPTLC polyphenolic profiles of leaves extract were found more abundant in flavonoids regardless of the sample origin. Only green walnut extracts showed an effect as urease inhibitors. Higher antibacterial activity was observed against <italic>Staphylococcus aureus</italic> in comparison with <italic>Staphylococcus epidermidis</italic>. Both leaf and fruit extracts showed antibiofilm activity, up to 95% of biofilm inhibition. It was shown that all tested <italic>Juglans regia</italic> extracts can serve as a valuable antibacterial agent against staphylococci infections.</p>
</abstract>

The leaves and unripe fruits from 5 walnut clones were tested in terms of mineral composition, antioxidant activity, and the inhibitory effect on model urease. It has been shown that the leaves are richer in minerals and also have higher antioxidant potential than unripe fruits. HPTLC polyphenolic profiles of leaves extract were found more abundant in flavonoids regardless of the sample origin. Only green walnut extracts showed an effect as urease inhibitors. Higher antibacterial activity was observed against Staphylococcus aureus in comparison with Staphylococcus epidermidis. Both leaf and fruit extracts showed antibiofilm activity, up to 95% of biofilm inhibition. It was shown that all tested Juglans regia extracts can serve as a valuable antibacterial agent against staphylococci infections.

Mineral Composition, Antioxidant, Anti-Urease, and Antibiofilm Potential of <italic>Juglans Regia</italic> Leaves and Unripe Fruits

Department of Chemistry and Food Toxicology

Department of Biotechnology and Bioinformatics, Faculty of Chemistry

Doctoral School of Engineering and Technical Sciences at the Rzeszow University of Technology

Department of Bioenergy, Food Analysis and Microbiology

Acta Universitatis Cibiniensis. Series E: Food Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Mineral Composition, Antioxidant, Anti-Urease, and Antibiofilm Potential of  Leaves and Unripe Fruits

The leaves and unripe fruits from 5 walnut clones were tested in terms of mineral composition, antioxidant activity, and the inhibitory effect on model urease....

Mineral Composition, Antioxidant, Anti-Urease, and Antibiofilm Potential of Juglans Regia Leaves and Unripe Fruits

Publicado en línea: 09 jul 2022

Páginas: 69 - 82

Recibido: 05 ene 2022

Aceptado: 01 mar 2022

DOI: https://doi.org/10.2478/aucft-2022-0006

Palabras clave
green walnut, antioxidant potential, antibiofilm activity, HPTLC, urease

© 2022 Michał Miłek et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Mineral Composition, Antioxidant, Anti-Urease, and Antibiofilm Potential of Juglans Regia Leaves and Unripe Fruits

Publicado en línea: 09 jul 2022

Páginas: 69 - 82

Recibido: 05 ene 2022

Aceptado: 01 mar 2022

DOI: https://doi.org/10.2478/aucft-2022-0006

Palabras clavegreen walnut, antioxidant potential, antibiofilm activity, HPTLC, urease

© 2022 Michał Miłek et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Palabras clave
green walnut, antioxidant potential, antibiofilm activity, HPTLC, urease