Calhelha, Ricardo

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  • Calhelha, Ricardo (2)
  • Calhelha, Ricardo C (1)
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Effects of the extraction techniques on the chemical composition and bioactive properties of lemon balm (Melissa officinalis L.) plants grown under different cropping and irrigation regimes.

De Oliveira, Izamara; Chrysargyris, Antonios; Heleno, Sandrina A.; Carocho, Marcio; Calhelha, Ricardo; Dias, Maria Ines; Petrović, Jovana; Soković, Marina; Petropoulos, Spyridon; Santos-Buelga, Celestino; Tzortzakis, Nikolaos; Barros, Lillian

(Elsevier, 2023)

TY  - JOUR
AU  - De Oliveira, Izamara
AU  - Chrysargyris, Antonios
AU  - Heleno, Sandrina A.
AU  - Carocho, Marcio
AU  - Calhelha, Ricardo
AU  - Dias, Maria Ines
AU  - Petrović, Jovana
AU  - Soković, Marina
AU  - Petropoulos, Spyridon
AU  - Santos-Buelga, Celestino
AU  - Tzortzakis, Nikolaos
AU  - Barros, Lillian
PY  - 2023
UR  - http://radar.ibiss.bg.ac.rs/handle/123456789/6389
AB  - The present study aims to determine the combined effect of cropping system and irrigation regime on the chemical composition and bioactive properties of lemon balm aerial parts. For this purpose, lemon balm plants were grown under two farming systems (conventional farming vs organic farming) and two irrigation levels (full irrigation vs deficit irrigation) and harvested twice throughout the growing period. The collected aerial parts were subjected to three different methods of extractions, namely infusion, maceration and ultrasound-assisted extraction and the obtained extracts were evaluated in terms of chemical profile and bioactivities. Five organic acids with varied composition among the tested treatments were identified in all the tested samples for both harvests, namely, citric, malic, oxalic, shikimic and quinic acid. Regarding phenolic compounds composition, the most abundant ones were rosmarinic acid, lithospermic acid A isomer I and hydroxylsalvianolic E, especially for the maceration and infusion extraction methods. Full irrigation resulted in lower EC50 values than deficit irrigation only in the treatments of the second harvest, while variable cytotoxic and anti-inflammatory effects were recorded in both harvests. Finally, in most cases the lemon balm extracts has similar or better activity than the positive controls, while the antifungal activity of lemon balm extracts was stronger than the antibacterial effects. In conclusion, the results of the present study showed that the implemented agronomic practices, as well as the extraction protocol may significantly affect the chemical profile and bioactivities of lemon balm extracts, suggesting that both the farming system and the irrigation schedule may improve the quality of the extracts depending on the implemented extraction protocol.
PB  - Elsevier
T2  - Food Research International
T1  - Effects of the extraction techniques on the chemical composition and bioactive properties of lemon balm (Melissa officinalis L.) plants grown under different cropping and irrigation regimes.
VL  - 170
DO  - 10.1016/j.foodres.2023.113044
SP  - 113044
ER  - 
@article{
author = "De Oliveira, Izamara and Chrysargyris, Antonios and Heleno, Sandrina A. and Carocho, Marcio and Calhelha, Ricardo and Dias, Maria Ines and Petrović, Jovana and Soković, Marina and Petropoulos, Spyridon and Santos-Buelga, Celestino and Tzortzakis, Nikolaos and Barros, Lillian",
year = "2023",
abstract = "The present study aims to determine the combined effect of cropping system and irrigation regime on the chemical composition and bioactive properties of lemon balm aerial parts. For this purpose, lemon balm plants were grown under two farming systems (conventional farming vs organic farming) and two irrigation levels (full irrigation vs deficit irrigation) and harvested twice throughout the growing period. The collected aerial parts were subjected to three different methods of extractions, namely infusion, maceration and ultrasound-assisted extraction and the obtained extracts were evaluated in terms of chemical profile and bioactivities. Five organic acids with varied composition among the tested treatments were identified in all the tested samples for both harvests, namely, citric, malic, oxalic, shikimic and quinic acid. Regarding phenolic compounds composition, the most abundant ones were rosmarinic acid, lithospermic acid A isomer I and hydroxylsalvianolic E, especially for the maceration and infusion extraction methods. Full irrigation resulted in lower EC50 values than deficit irrigation only in the treatments of the second harvest, while variable cytotoxic and anti-inflammatory effects were recorded in both harvests. Finally, in most cases the lemon balm extracts has similar or better activity than the positive controls, while the antifungal activity of lemon balm extracts was stronger than the antibacterial effects. In conclusion, the results of the present study showed that the implemented agronomic practices, as well as the extraction protocol may significantly affect the chemical profile and bioactivities of lemon balm extracts, suggesting that both the farming system and the irrigation schedule may improve the quality of the extracts depending on the implemented extraction protocol.",
publisher = "Elsevier",
journal = "Food Research International",
title = "Effects of the extraction techniques on the chemical composition and bioactive properties of lemon balm (Melissa officinalis L.) plants grown under different cropping and irrigation regimes.",
volume = "170",
doi = "10.1016/j.foodres.2023.113044",
pages = "113044"
}
De Oliveira, I., Chrysargyris, A., Heleno, S. A., Carocho, M., Calhelha, R., Dias, M. I., Petrović, J., Soković, M., Petropoulos, S., Santos-Buelga, C., Tzortzakis, N.,& Barros, L.. (2023). Effects of the extraction techniques on the chemical composition and bioactive properties of lemon balm (Melissa officinalis L.) plants grown under different cropping and irrigation regimes.. in Food Research International
Elsevier., 170, 113044.
https://doi.org/10.1016/j.foodres.2023.113044
De Oliveira I, Chrysargyris A, Heleno SA, Carocho M, Calhelha R, Dias MI, Petrović J, Soković M, Petropoulos S, Santos-Buelga C, Tzortzakis N, Barros L. Effects of the extraction techniques on the chemical composition and bioactive properties of lemon balm (Melissa officinalis L.) plants grown under different cropping and irrigation regimes.. in Food Research International. 2023;170:113044.
doi:10.1016/j.foodres.2023.113044 .
De Oliveira, Izamara, Chrysargyris, Antonios, Heleno, Sandrina A., Carocho, Marcio, Calhelha, Ricardo, Dias, Maria Ines, Petrović, Jovana, Soković, Marina, Petropoulos, Spyridon, Santos-Buelga, Celestino, Tzortzakis, Nikolaos, Barros, Lillian, "Effects of the extraction techniques on the chemical composition and bioactive properties of lemon balm (Melissa officinalis L.) plants grown under different cropping and irrigation regimes." in Food Research International, 170 (2023):113044,
https://doi.org/10.1016/j.foodres.2023.113044 . .
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An in vitro study of the Origanum minutiflorum O. Schwarz & P. H. Davis and Coriandrum sativum L. essential oils as chronic tonsillitis therapeutics: antibacterial, antibiofilm, antioxidant, and cytotoxic activities

Kostić, Marina; Ivanov, Marija; Marković, Tatjana; Sanković Babić, Snežana; Barros, Lillian; Calhelha, Ricardo; Soković, Marina; Ćirić, Ana

(Taylor and Francis Ltd., 2022)

TY  - JOUR
AU  - Kostić, Marina
AU  - Ivanov, Marija
AU  - Marković, Tatjana
AU  - Sanković Babić, Snežana
AU  - Barros, Lillian
AU  - Calhelha, Ricardo
AU  - Soković, Marina
AU  - Ćirić, Ana
PY  - 2022
UR  - https://www.tandfonline.com/doi/full/10.1080/10412905.2022.2107103
UR  - http://radar.ibiss.bg.ac.rs/handle/123456789/5101
AB  - The chemical composition and biological activity of essential oils (EOs) from leaves of Origanum minutiflorum O. Schwarz & P.H.Davis, and seeds of Coriandrum sativum L. were investigated. Chemical analyses of EOs were performed and the major components were carvacrol (81.5%) and linalool (69.6%), respectively. The antimicrobial activity was assessed against several bacteria originating from the tonsillar tissue. Activities of EOs against Staphylococcus aureus biofilm were investigated, as well as the effect of the mixture of these EOs and antibiotics against the pathogen. The antioxidant activity of both EOs was determined by TBARS assay, and examined wild oregano EO showed better activity. Also, cytotoxicity of EOs was evaluated in vitro and both EOs showed potential to inhibit further proliferation of tumor cells. This study reported for the first time the effects of EOs on chronic tonsillitis causative pathogens, supporting their role as a natural bioactive therapeutic agent with possible antimicrobial applications.
PB  - Taylor and Francis Ltd.
T2  - Journal of Essential Oil Research
T1  - An in vitro study of the Origanum minutiflorum O. Schwarz & P. H. Davis and Coriandrum sativum L. essential oils as chronic tonsillitis therapeutics: antibacterial, antibiofilm, antioxidant, and cytotoxic activities
IS  - 6
VL  - 34
DO  - 10.1080/10412905.2022.2107103
SP  - 533
EP  - 543
ER  - 
@article{
author = "Kostić, Marina and Ivanov, Marija and Marković, Tatjana and Sanković Babić, Snežana and Barros, Lillian and Calhelha, Ricardo and Soković, Marina and Ćirić, Ana",
year = "2022",
abstract = "The chemical composition and biological activity of essential oils (EOs) from leaves of Origanum minutiflorum O. Schwarz & P.H.Davis, and seeds of Coriandrum sativum L. were investigated. Chemical analyses of EOs were performed and the major components were carvacrol (81.5%) and linalool (69.6%), respectively. The antimicrobial activity was assessed against several bacteria originating from the tonsillar tissue. Activities of EOs against Staphylococcus aureus biofilm were investigated, as well as the effect of the mixture of these EOs and antibiotics against the pathogen. The antioxidant activity of both EOs was determined by TBARS assay, and examined wild oregano EO showed better activity. Also, cytotoxicity of EOs was evaluated in vitro and both EOs showed potential to inhibit further proliferation of tumor cells. This study reported for the first time the effects of EOs on chronic tonsillitis causative pathogens, supporting their role as a natural bioactive therapeutic agent with possible antimicrobial applications.",
publisher = "Taylor and Francis Ltd.",
journal = "Journal of Essential Oil Research",
title = "An in vitro study of the Origanum minutiflorum O. Schwarz & P. H. Davis and Coriandrum sativum L. essential oils as chronic tonsillitis therapeutics: antibacterial, antibiofilm, antioxidant, and cytotoxic activities",
number = "6",
volume = "34",
doi = "10.1080/10412905.2022.2107103",
pages = "533-543"
}
Kostić, M., Ivanov, M., Marković, T., Sanković Babić, S., Barros, L., Calhelha, R., Soković, M.,& Ćirić, A.. (2022). An in vitro study of the Origanum minutiflorum O. Schwarz & P. H. Davis and Coriandrum sativum L. essential oils as chronic tonsillitis therapeutics: antibacterial, antibiofilm, antioxidant, and cytotoxic activities. in Journal of Essential Oil Research
Taylor and Francis Ltd.., 34(6), 533-543.
https://doi.org/10.1080/10412905.2022.2107103
Kostić M, Ivanov M, Marković T, Sanković Babić S, Barros L, Calhelha R, Soković M, Ćirić A. An in vitro study of the Origanum minutiflorum O. Schwarz & P. H. Davis and Coriandrum sativum L. essential oils as chronic tonsillitis therapeutics: antibacterial, antibiofilm, antioxidant, and cytotoxic activities. in Journal of Essential Oil Research. 2022;34(6):533-543.
doi:10.1080/10412905.2022.2107103 .
Kostić, Marina, Ivanov, Marija, Marković, Tatjana, Sanković Babić, Snežana, Barros, Lillian, Calhelha, Ricardo, Soković, Marina, Ćirić, Ana, "An in vitro study of the Origanum minutiflorum O. Schwarz & P. H. Davis and Coriandrum sativum L. essential oils as chronic tonsillitis therapeutics: antibacterial, antibiofilm, antioxidant, and cytotoxic activities" in Journal of Essential Oil Research, 34, no. 6 (2022):533-543,
https://doi.org/10.1080/10412905.2022.2107103 . .
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Antimicrobial Properties, Cytotoxic Effects, and Fatty Acids Composition of Vegetable Oils from Purslane, Linseed, Luffa, and Pumpkin Seeds.

Petropoulos, Spyridon A.; Fernandes, Ângela; Calhelha, Ricardo C; Rouphael, Youssef; Petrović, Jovana; Soković, Marina; Ferreira, Isabel C.F.R.; Barros, Lillian

(Basel: MDPI, 2021)

TY  - JOUR
AU  - Petropoulos, Spyridon A.
AU  - Fernandes, Ângela
AU  - Calhelha, Ricardo C
AU  - Rouphael, Youssef
AU  - Petrović, Jovana
AU  - Soković, Marina
AU  - Ferreira, Isabel C.F.R.
AU  - Barros, Lillian
PY  - 2021
UR  - https://radar.ibiss.bg.ac.rs/handle/123456789/4263
AB  - n the present study, the antimicrobial and cytotoxic activities, as well as the fatty acids composition in vegetable seed oils from linseed, purslane, luffa, and pumpkin were evaluated. For this purpose, two linseed oils and one luffa oil were commercially obtained, while purslane and pumpkin oils were obtained from own cultivated seeds. The results showed a variable fatty acids composition among the tested oils, with α-linolenic, linoleic, oleic, palmitic, and stearic acid being the most abundant compounds. In regards to particular oils, linseed oils were a rich source of α-linolenic acid, luffa and pumpkin oil were abundant in linoleic acid, while purslane oil presented a balanced composition with an almost similar amount of both fatty acids. Luffa oil was the most effective against two of the tested cancer cell lines, namely HeLa (cervical carcinoma) and NCI-H460 (non-small cell lung cancer), while it also showed moderate toxicity against non-tumor cells (PLP2 cell line). Regarding the antibacterial activity, linseed oil 3 and pumpkin oil showed the highest activity against most of the tested bacteria (especially against Enterobacter cloacae and Escherichia coli) with MIC and MBC values similar to the used positive controls (E211 and E224). All the tested oils showed significant antifungal activities, especially luffa and pumpkin oil, and for most of the tested fungi they were more effective than the positive controls, as for example in the case of Aspergillus versicolor, A. niger, and Penicillium verrucosum var. cyclopium. In conclusion, the results of our study showed promising antimicrobial and cytotoxic properties for the studied seed oils which could be partly attributed to their fatty acids composition, especially the long-chain ones with 12–18 carbons.
PB  - Basel: MDPI
T2  - Applied Sciences
T1  - Antimicrobial Properties, Cytotoxic Effects, and Fatty Acids Composition of Vegetable Oils from Purslane, Linseed, Luffa, and Pumpkin Seeds.
VL  - 11
DO  - 10.3390/app11125738
SP  - 5738
ER  - 
@article{
author = "Petropoulos, Spyridon A. and Fernandes, Ângela and Calhelha, Ricardo C and Rouphael, Youssef and Petrović, Jovana and Soković, Marina and Ferreira, Isabel C.F.R. and Barros, Lillian",
year = "2021",
abstract = "n the present study, the antimicrobial and cytotoxic activities, as well as the fatty acids composition in vegetable seed oils from linseed, purslane, luffa, and pumpkin were evaluated. For this purpose, two linseed oils and one luffa oil were commercially obtained, while purslane and pumpkin oils were obtained from own cultivated seeds. The results showed a variable fatty acids composition among the tested oils, with α-linolenic, linoleic, oleic, palmitic, and stearic acid being the most abundant compounds. In regards to particular oils, linseed oils were a rich source of α-linolenic acid, luffa and pumpkin oil were abundant in linoleic acid, while purslane oil presented a balanced composition with an almost similar amount of both fatty acids. Luffa oil was the most effective against two of the tested cancer cell lines, namely HeLa (cervical carcinoma) and NCI-H460 (non-small cell lung cancer), while it also showed moderate toxicity against non-tumor cells (PLP2 cell line). Regarding the antibacterial activity, linseed oil 3 and pumpkin oil showed the highest activity against most of the tested bacteria (especially against Enterobacter cloacae and Escherichia coli) with MIC and MBC values similar to the used positive controls (E211 and E224). All the tested oils showed significant antifungal activities, especially luffa and pumpkin oil, and for most of the tested fungi they were more effective than the positive controls, as for example in the case of Aspergillus versicolor, A. niger, and Penicillium verrucosum var. cyclopium. In conclusion, the results of our study showed promising antimicrobial and cytotoxic properties for the studied seed oils which could be partly attributed to their fatty acids composition, especially the long-chain ones with 12–18 carbons.",
publisher = "Basel: MDPI",
journal = "Applied Sciences",
title = "Antimicrobial Properties, Cytotoxic Effects, and Fatty Acids Composition of Vegetable Oils from Purslane, Linseed, Luffa, and Pumpkin Seeds.",
volume = "11",
doi = "10.3390/app11125738",
pages = "5738"
}
Petropoulos, S. A., Fernandes, Â., Calhelha, R. C., Rouphael, Y., Petrović, J., Soković, M., Ferreira, I. C.F.R.,& Barros, L.. (2021). Antimicrobial Properties, Cytotoxic Effects, and Fatty Acids Composition of Vegetable Oils from Purslane, Linseed, Luffa, and Pumpkin Seeds.. in Applied Sciences
Basel: MDPI., 11, 5738.
https://doi.org/10.3390/app11125738
Petropoulos SA, Fernandes Â, Calhelha RC, Rouphael Y, Petrović J, Soković M, Ferreira IC, Barros L. Antimicrobial Properties, Cytotoxic Effects, and Fatty Acids Composition of Vegetable Oils from Purslane, Linseed, Luffa, and Pumpkin Seeds.. in Applied Sciences. 2021;11:5738.
doi:10.3390/app11125738 .
Petropoulos, Spyridon A., Fernandes, Ângela, Calhelha, Ricardo C, Rouphael, Youssef, Petrović, Jovana, Soković, Marina, Ferreira, Isabel C.F.R., Barros, Lillian, "Antimicrobial Properties, Cytotoxic Effects, and Fatty Acids Composition of Vegetable Oils from Purslane, Linseed, Luffa, and Pumpkin Seeds." in Applied Sciences, 11 (2021):5738,
https://doi.org/10.3390/app11125738 . .
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