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Plants
Special Issues
Activity of Plant Components
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Activity of Plant Components

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Phytochemistry".

Deadline for manuscript submissions: closed (30 November 2022) | Viewed by 7018

Special Issue Editor

Prof. Dr. Valerija Dunkić

E-Mail Website
Guest Editor
Department of Biology, Faculty of Science, University of Split, 21000 Split, Croatia
Interests: aromatic plants; medicinal plants; essential oils; hydrolates; chromatographic techniques; biological activities; plant anatomy
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The natural products that make up specialized metabolites are widely distributed in the plant world. They play an important role in plant–environment interactions and have great phytochemical potential. This Special Issue focuses on the isolation and identification of plant components which are characteristic of specific plant species. Many plant taxa produce free volatile compounds, essential oils, glycosides, phenols, flavonoids, etc. The biological activity of identified compounds can be studied by observing individual components, classes of components, and/or whole isolates. The activity of extracts may include antioxidant, antiphytoviral, antibacterial, antiproliferative, or genotoxic effects, among others.
I look forward to receiving your contribution to this Special Issue on the activity of plant components. 

Prof. Dr. Valerija Dunkić
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Plants is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • specialized metabolites
  • plant extracts
  • identification
  • biological role

Published Papers (3 papers)

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Research

15 pages, 5630 KiB  
Article
Phytochemical Characterization and In Vitro Anti-Inflammatory Evaluation in RAW 264.7 Cells of Jatropha cordata Bark Extracts
by Yazmín B. Jiménez-Nevárez, Miguel Angel Angulo-Escalante, Julio Montes-Avila, Araceli Guerrero-Alonso, Judith González Christen, Israel Hurtado-Díaz, J. Basilio Heredia, Eber Addí Quintana-Obregón and Laura Alvarez
Plants 2023, 12(3), 560; https://doi.org/10.3390/plants12030560 - 26 Jan 2023
Cited by 3 | Viewed by 1498
Abstract
The inflammatory process, although beneficial, can produce tissue damage and systemic damage when uncontrolled. Effective therapeutic alternatives with little or no side effects are of great therapeutic interest. This study aimed to determine the phytochemical composition of bark extracts from J. cordata, [...] Read more.
The inflammatory process, although beneficial, can produce tissue damage and systemic damage when uncontrolled. Effective therapeutic alternatives with little or no side effects are of great therapeutic interest. This study aimed to determine the phytochemical composition of bark extracts from J. cordata, an endemic plant from México, and evaluate their in vitro anti-inflammatory activity. Hexane, ethyl acetate, and methanol extracts were characterized by qualitative phytochemical tests, and their bioactive groups were identified by 1H NMR and gas chromatography coupled to mass spectrometry (GC–MS). The extract’s anti-inflammatory activity was evaluated as nitric oxide (NO) production and their cytotoxicity by an MTS cell proliferation assay in lipopolysaccharide (LPS)-activated RAW 264.7 cells at concentrations of 1–100 μg/mL. The hexane extract contained fatty acids, fatty esters, phytosterols, alkanes, vitamin E, and terpenoids; the ethyl acetate extract showed fatty acids, fatty esters, aromatic aldehyde, phytosterols, vitamin E, and terpenoids, while the methanolic extract showed fatty esters, fatty acid, aromatics aldehydes, and alcohol. The ethyl acetate extract showed the highest inhibition of NO production, followed by the methanolic extract and the hexane extract, without affecting the viability of RAW 264.7 macrophage cells. The results suggest that J. cordata extracts are a potential source of bioactive compounds with anti-inflammatory potential. Full article
(This article belongs to the Special Issue Activity of Plant Components)
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12 pages, 2672 KiB  
Article
Use of Yucca (Yucca schidigera) Extracts as Biostimulants to Promote Germination and Early Vigor and as Natural Fungicides
by Patricia Benito, Daniele Ligorio, Javier Bellón, Lynne Yenush and José M. Mulet
Plants 2023, 12(2), 274; https://doi.org/10.3390/plants12020274 - 06 Jan 2023
Cited by 4 | Viewed by 3546
Abstract
Climate change is increasing drought and salinity in many cultivated areas, therefore threatening food production. There is a great demand for novel agricultural inputs able to maintain yield under the conditions imposed by the anthropogenic global warming. Biostimulants have been proposed as a [...] Read more.
Climate change is increasing drought and salinity in many cultivated areas, therefore threatening food production. There is a great demand for novel agricultural inputs able to maintain yield under the conditions imposed by the anthropogenic global warming. Biostimulants have been proposed as a useful tool to achieve this objective. We have investigated the biostimulant effect of different yucca (Yucca schidigera) extracts on plant growth at different stages of development under different abiotic stress conditions. The extracts were tested in the model plant Arabidopsis thaliana, and in three different crops; tomato (Solanum lycopersicum var microtom), broccoli (Brassica oleracea var. italica) and lettuce (Lactuca sativa var romana). We have found that the investigated extracts are able to promote germination and early vigor under drought/osmotic and salt stress induced either by sodium chloride or lithium chloride. This effect is particularly strong in Arabidopsis thaliana and in the Brassicaceae broccoli. We have also determined using antibiograms against the model yeast Saccharomyces cerevisiae that the evaluated extracts may be used also as a natural fungicide. The results in this report show that yucca extracts may be used to enhance early vigor in some crops and as a natural fungicide, providing a new and useful tool for farmers. Full article
(This article belongs to the Special Issue Activity of Plant Components)
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10 pages, 1430 KiB  
Article
Antibacterial Activities of Monsonia Angustifolia and Momordica Balsamina Linn Extracts against Carbapenem-Resistant Acinetobacter Baumannii
by Noel-David Nogbou, Dimpho Raesibe Mabela, Buang Matseke, Ntwanano Sipho Mapfumari, Mmammosheledi Elsie Mothibe, Lawrence Chikwelu Obi and Andrew Munyalo Musyoki
Plants 2022, 11(18), 2374; https://doi.org/10.3390/plants11182374 - 12 Sep 2022
Cited by 3 | Viewed by 1517
Abstract
Carbapenemase-producing Acinetobacter baumannii (A. baumannii) is resistant to most of the available antibiotics and poses serious therapeutic challenges. The study investigated Monsonia angustifolia (M. angustifolia) and Momordica balsamina Linn (M. balsamina Linn) extracts for antibacterial activity against [...] Read more.
Carbapenemase-producing Acinetobacter baumannii (A. baumannii) is resistant to most of the available antibiotics and poses serious therapeutic challenges. The study investigated Monsonia angustifolia (M. angustifolia) and Momordica balsamina Linn (M. balsamina Linn) extracts for antibacterial activity against a clinical isolate of carbapenemase-producing A. baumannii using the Kirby Bauer disc diffusion and TLC coupled with bioautography. MIC determination experiments were conducted on a molecularly characterized A. baumannii isolate identified using VITEK2. Positive PCR detection of blaOXA-51 and blaOXA-23 confirmed isolate identity and the presence of a carbapenemase-encoding gene. Antibacterial activity was observed with the methanolic extract of M. balsamina Linn with a MIC of 0.5 mg/mL. Compounds with Rf values of 0.05; 0.17; 0.39 obtained from M. angustifolia hexane extract; compounds with Rf values of 0.58; 0.78; 0.36; 0.48; 0.5; 0.56; 0.67; 0.9 obtained from M. angustifolia dichloromethane extract; compounds with Rf values of 0.11; 0.56; 0.24; 0.37 obtained from M. angustifolia acetone extract and compounds with Rf values of 0.11; 0.27 obtained from M. angustifolia methanol extract demonstrated a level of antibacterial activity. M. angustifolia and M. balsamina Linn plant extracts have a clinically significant antibacterial activity against a carbapenemase-producing A. baumannii strain. Full article
(This article belongs to the Special Issue Activity of Plant Components)
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