Botanical, Chemical, Pharmacological, and Potential Health Benefits of Plants

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

Deadline for manuscript submissions: closed (31 May 2026) | Viewed by 990

Editors


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Guest Editor
Department of Pharmaceutical Sciences, State University of Ponta Grossa, Ponta Grossa, PR, Brazil
Interests: antioxidant assays; biological activities; botany; natural product chemistry; medicinal plants; morpho-anatomy; phytotherapy; quality control

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Guest Editor
Pharmaceutical Sciences Department, Federal Rural University of Rio de Janeiro, Rio de Janeiro 23890-000, Brazil
Interests: biological activities; biostatistics; chemistry; natural product chemistry; pharmacology; quality control; repellents
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Special Issue Information

Dear Colleagues,

Plants remain an inexhaustible source of natural products with significant implications for human health and therapeutic innovation. This Special Issue highlights recent advances in botany, phytochemistry, nutraceuticals, and pharmacology. Rigorous botanical studies provide the taxonomic and ecological foundations necessary to identify and conserve species of interest, while cutting-edge phytochemical analyses reveal structurally diverse metabolites with promising therapeutic potential. Investigations into biological activities, such as anti-inflammatory, antioxidant, antimicrobial, and nutraceutical properties, are particularly welcome, especially those elucidating mechanisms that demonstrate benefits to human health and well-being.

Equally important is the implementation of robust quality-control strategies to ensure that natural products meet reproducible standards of safety, efficacy, and botanical and chemical consistency, thereby promoting regulatory acceptance and public confidence.

Collectively, these studies illustrate how research on natural products can inspire new drug leads, functional foods, and evidence-based nutraceuticals, while promoting accurate botanical identification. We invite authors to submit their high-quality research to this Special Issue that seeks to bridge traditional knowledge with contemporary science and highlight the multifaceted chemical and pharmacological potential of plants and their role in advancing global health.

Dr. Lorene Armstrong
Dr. Douglas Siqueira de Almeida Chaves
Guest Editors

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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-anonymized 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.

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Keywords

  • biological activities
  • botany
  • phytochemistry
  • quality control
  • natural product investigations

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Published Papers (1 paper)

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Research

14 pages, 724 KB  
Article
Unveiling Chemical Profile and Insecticidal Potential of Essential Oils from Leaves of Seven Eugenia L. Species (Myrtaceae)
by Lorene Armstrong, Nayana Figueiredo Pereira, Diefrey Ribeiro Campos, Yara Peluso Cid, Irailson Thierry Monchak, Neide Mara Menezes Epifânio, Douglas Siqueira Almeida Chaves and Jane Manfron
Plants 2026, 15(9), 1406; https://doi.org/10.3390/plants15091406 - 5 May 2026
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Abstract
The genus Eugenia (Myrtaceae) is widely distributed in Brazil and is known for producing diverse secondary metabolites with various biological activities, although several species remain poorly explored. This study aimed to characterize the chemical composition of essential oils (EOs) from the leaves of [...] Read more.
The genus Eugenia (Myrtaceae) is widely distributed in Brazil and is known for producing diverse secondary metabolites with various biological activities, although several species remain poorly explored. This study aimed to characterize the chemical composition of essential oils (EOs) from the leaves of seven Eugenia species (E. brasiliensis, E. involucrata, E. longipedunculata, E. myrcianthes, E. neoverrucosa, E. pyriformis, and E. uniflora), compare their chemical profiles using multivariate analysis, and evaluate their insecticidal activity against the flea Ctenocephalides felis felis. EOs were obtained from dried leaves by hydrodistillation using a Clevenger apparatus and analyzed by gas chromatography–mass spectrometry (GC–MS). Principal component analysis (PCA) was applied to compare chemical compositions, and contact bioassays were conducted to assess insecticidal activity against adult fleas. The EOs showed distinct chemical compositions, with major constituents varying by species, including α-pinene, (E)-caryophyllene, viridiflorene, β-selinene, limonene, and germacrone. PCA revealed clear differences among species, particularly highlighting oils dominated by α-pinene and sesquiterpene-derived compounds. In the bioassays, E. uniflora showed the highest insecticidal activity, reaching 95.1% mortality at 800 µg·cm−2 and presenting an LC50 of 9.12 µg·cm−2, whereas E. brasiliensis showed moderate activity (LC50 = 157.82 µg·cm−2). These findings expand the chemical knowledge of the genus and indicate the potential of E. uniflora EO as a natural source of insecticidal compounds against C. felis felis. Full article
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