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

<p>The grape pomace hydroalcoholic extracts obtained by two different extraction methods were tested for biostimulatory potential activity for <italic>Origanum vulgare</italic> L. cultures. The total polyphenols contents of extracts were evaluated by Folin-Ciocalteu method. Characteristics such as: pH, salinity, conductivity and total dissolved solids were determined. FTIR and UV spectra of extracts were also recorded. The effect of grape pomace extracts on growth and development of oregano plant were studied by carrying out <italic>in vitro</italic> propagation of oregano on Murashige and Skoog basal medium supplemented with different concentrations of grape pomace extracts. Biometric measurements, growth rate and biomass accumulation have been narrowly monitored for all samples and compared to the control sample. The results have shown that the morphogenetic response depends both on the proportion in which basal medium was supplemented and on the extraction method used. A stimulation of growth and development at a low concentration of grape pomace extracts has been noted. The best results were observed in the samples with 1 and 5 % of grape pomace extract obtained by classical extraction.</p>
</abstract>

The grape pomace hydroalcoholic extracts obtained by two different extraction methods were tested for biostimulatory potential activity for Origanum vulgare L. cultures. The total polyphenols contents of extracts were evaluated by Folin-Ciocalteu method. Characteristics such as: pH, salinity, conductivity and total dissolved solids were determined. FTIR and UV spectra of extracts were also recorded. The effect of grape pomace extracts on growth and development of oregano plant were studied by carrying out in vitro propagation of oregano on Murashige and Skoog basal medium supplemented with different concentrations of grape pomace extracts. Biometric measurements, growth rate and biomass accumulation have been narrowly monitored for all samples and compared to the control sample. The results have shown that the morphogenetic response depends both on the proportion in which basal medium was supplemented and on the extraction method used. A stimulation of growth and development at a low concentration of grape pomace extracts has been noted. The best results were observed in the samples with 1 and 5 % of grape pomace extract obtained by classical extraction.

Investigation regarding the potential application of grape pomace extracts on <italic>in vitro</italic> plant growth and development

“Vasile Alecsandri” University of Bacău, Doctoral School

Department of Biology, Ecology, and Environmental Protection, Faculty of Sciences

“Vasile Alecsandri” University of Bacău, Faculty of Sciences

Department of Chemical and Food Engineering

“Vasile Alecsandri” University of Bacău, Faculty of Engineering

Ovidius University Annals of Chemistry

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Investigation regarding the potential application of grape pomace extracts on  plant growth and development

The grape pomace hydroalcoholic extracts obtained by two different extraction methods were tested for biostimulatory potential activity for Origanum vulgare L....

Investigation regarding the potential application of grape pomace extracts on in vitro plant growth and development

Publié en ligne: 23 août 2022

Pages: 135 - 142

Reçu: 15 juil. 2022

Accepté: 10 août 2022

DOI: https://doi.org/10.2478/auoc-2022-0020

Mots clés
grape pomace extract, valorization, propagation, plant growth, classical extraction, ultrasound assisted extraction

© 2022 Petronela Elena Bran et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Investigation regarding the potential application of grape pomace extracts on in vitro plant growth and development

Publié en ligne: 23 août 2022

Pages: 135 - 142

Reçu: 15 juil. 2022

Accepté: 10 août 2022

DOI: https://doi.org/10.2478/auoc-2022-0020

Mots clésgrape pomace extract, valorization, propagation, plant growth, classical extraction, ultrasound assisted extraction

© 2022 Petronela Elena Bran et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
grape pomace extract, valorization, propagation, plant growth, classical extraction, ultrasound assisted extraction