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Article

LC–DAD–MS Phenolic Characterisation of Six Invasive Plant Species in Croatia and Determination of Their Antimicrobial and Cytotoxic Activity

1
Department of Agriculture and Nutrition, Institute of Agriculture and Tourism, Karla Huguesa 8, 52440 Poreč, Croatia
2
Department of Biology, Faculty of Science, University of Zagreb, Horvatovac 102a, 10000 Zagreb, Croatia
3
Department of Agronomy, Biotechnical Faculty, University of Ljubljana, Jamnikarjeva 101, 1000 Ljubljana, Slovenia
4
Phytomedicine Programme, Paraclinical Sciences Department, University of Pretoria, P/Bag X04, Onderstepoort, Pretoria 0110, Gauteng, South Africa
*
Author to whom correspondence should be addressed.
Academic Editors: Davide Barreca and Domenico Trombetta
Plants 2022, 11(5), 596; https://doi.org/10.3390/plants11050596
Received: 18 January 2022 / Revised: 4 February 2022 / Accepted: 19 February 2022 / Published: 23 February 2022
(This article belongs to the Collection The Use and Management of Invasive Plants)
Invasive plants’ phytochemicals are important for their invasiveness, enabling them to spread in new environments. However, these chemicals could offer many pharmaceutical compounds or active ingredients for herbal preparations. This study provides the first LC–MS phytochemical screening of six invasive alien plant species (IAPS) in the Istria region (Croatia): Ailanthus altissima, Ambrosia artemisiifolia, Conyza canadensis, Dittrichia viscosa, Erigeron annuus, and Xanthium strumarium. The study aims to identify and quantify the phenolic content of their leaf extracts and assess their antimicrobial and cytotoxic potential. A total of 32 species-specific compounds were recorded. Neochlorogenic, chlorogenic, and 5-p-coumaroylquinic acids, quercetin-3-glucoside, and kaempferol hexoside were detected in all the tested IAPS. Hydroxycinnamic acid derivatives were the main components in all the tested IAPS, except in E. annuus, where flavanones dominated with a share of 70%. X. strumarium extract had the best activity against the tested bacteria, with an average MIC value of 0.11 mg/mL, while A. altissima and X. strumarium extracts had the best activity against the tested fungi, with an average MIC value of 0.21 mg/mL in both cases. All the plant extracts studied, except X. strumarium, were less cytotoxic than the positive control. The results provided additional information on the phytochemical properties of IAPS and their potential for use as antimicrobial agents. View Full-Text
Keywords: antimicrobial; cytotoxicity; ecosystem services; invasive plant species; phenolics; phytopharmaceuticals antimicrobial; cytotoxicity; ecosystem services; invasive plant species; phenolics; phytopharmaceuticals
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MDPI and ACS Style

Poljuha, D.; Sladonja, B.; Šola, I.; Šenica, M.; Uzelac, M.; Veberič, R.; Hudina, M.; Famuyide, I.M.; Eloff, J.N.; Mikulic-Petkovsek, M. LC–DAD–MS Phenolic Characterisation of Six Invasive Plant Species in Croatia and Determination of Their Antimicrobial and Cytotoxic Activity. Plants 2022, 11, 596. https://doi.org/10.3390/plants11050596

AMA Style

Poljuha D, Sladonja B, Šola I, Šenica M, Uzelac M, Veberič R, Hudina M, Famuyide IM, Eloff JN, Mikulic-Petkovsek M. LC–DAD–MS Phenolic Characterisation of Six Invasive Plant Species in Croatia and Determination of Their Antimicrobial and Cytotoxic Activity. Plants. 2022; 11(5):596. https://doi.org/10.3390/plants11050596

Chicago/Turabian Style

Poljuha, Danijela, Barbara Sladonja, Ivana Šola, Mateja Šenica, Mirela Uzelac, Robert Veberič, Metka Hudina, Ibukun M. Famuyide, Jacobus N. Eloff, and Maja Mikulic-Petkovsek. 2022. "LC–DAD–MS Phenolic Characterisation of Six Invasive Plant Species in Croatia and Determination of Their Antimicrobial and Cytotoxic Activity" Plants 11, no. 5: 596. https://doi.org/10.3390/plants11050596

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