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Plant Secondary Metabolites in Medicinal and Aromatic Plants

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Natural Products Chemistry".

Deadline for manuscript submissions: closed (31 July 2023) | Viewed by 1457

Special Issue Editors

Department of Life Sciences, CHRIST (Deemed to be University), Hosur Road, Bangalore 560029, India
Interests: plant secondary metabolites; plant tissue culture; plant transformation; phytochemicals; medicinal plants; metabolic engineering
Department of Plant Biotechnology, College of Agriculture and Food Sciences, King Faisal University, Al-Ahsa 31982, Saudi Arabia
Interests: date palm biotechnology; plant secondary metabolites; plant tissue culture
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Plants have been serving mankind since the dawn of history by providing food, medicine, and shelter. They produce a wide variety of beneficial phytochemicals, including primary and secondary metabolites. The primary metabolites aid the plants’ growth, development, and reproduction, while the secondary metabolites take part in defense mechanisms against biotic and abiotic stress. Medicinal and aromatic plants have shown tremendous potential in treating and preventing numerous human diseases. The intervention of biotechnological approaches proved effective for the development of elite germplasm with desired characteristics, conservation of germplasm, development of high-yielding plants, and production of plant secondary metabolites (PSMs). 

The research papers published on the proposed research topic will focus on secondary metabolites of medicinal and aromatic plants.  Innovations in metabolomics will also be considered.

The scope of this theme includes but is not limited to:

  1. In vitro approaches for the conservation and sustainable utilization of medicinal and aromatic plants.
  2. In vitro production of plant secondary metabolites from callus and cell suspension cultures.
  3. Biotechnological approaches for the production of PSMs from organ cultures.
  4. In vitro production of PSMs in relation to biotic (bacteria, fungi, algae) and abiotic (nanoparticles, heavy metals, signaling molecules) elicitors for the enhanced production of PSMs in medicinal and aromatic plants.
  5. Metabolic engineering of plant secondary metabolism in medicinal and aromatic plants.
  6. Metabolomic studies of medicinal and aromatic plants.

Dr. Praveen Nagella
Prof. Dr. Jameel M. Al-Khayri
Guest Editors

Manuscript Submission Information

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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-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Molecules 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

  • plant secondary metabolites
  • medicinal and aromatic plants
  • metabolic engineering
  • metabolomics

Published Papers (1 paper)

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Research

16 pages, 2751 KiB  
Article
Morphoanatomical, Histochemical, and Essential Oil Composition of the Plectranthus ornatus Codd. (Lamiaceae)
by Luiz Renan Ramos da Silva, Zelina Ataíde Correia, Ely Simone Cajueiro Gurgel, Olívia Ribeiro, Sebastião Gomes Silva, Oberdan Oliveira Ferreira, Eloisa Helena de Aguiar Andrade and Mozaniel Santana de Oliveira
Molecules 2023, 28(18), 6482; https://doi.org/10.3390/molecules28186482 - 07 Sep 2023
Cited by 1 | Viewed by 954
Abstract
Plectranthus ornatus is a medicinal and aromatic plant used in traditional and alternative medicine. In this study, leaves of P. ornatus were collected in two cities of the state of Pará, “Quatipuru” and “Barcarena”, and were used with the objective of analyzing, through [...] Read more.
Plectranthus ornatus is a medicinal and aromatic plant used in traditional and alternative medicine. In this study, leaves of P. ornatus were collected in two cities of the state of Pará, “Quatipuru” and “Barcarena”, and were used with the objective of analyzing, through morphoanatomical data and histochemical and phytochemical studies of essential oil, the samples present structural differences and differences in their chemical composition. Anatomical and histochemical analyses were performed by transverse, using longitudinal sections of 8 μm to 10 μm to perform epidermal dissociation, diaphonization, and tests to identify classes of secondary metabolites. The essential oils were isolated by hydrodistillation, and the identification of the chemical composition was performed by gas chromatography coupled with mass spectrometry. The anatomical study shows that there is no difference between specimens collected in different locations, and stellate trichomes were identified. The histochemical study detected total lipids and acids, terpenes, polysaccharides, phenolic compounds, tannins, alkaloids, and calcium oxalate. The low essential oil yield may be related to the low density of secretory cells (glandular trichomes), the unidentified compounds in the highest concentration in the essential oil were in relation to the chemical composition of the essential oils, and the major compounds were α-pinene, sabinene, (E)-caryophyllene, caryophyllene oxide, and oct-1-en-3-ol. The results provide new information about the anatomy and histochemistry of P. ornatus. Full article
(This article belongs to the Special Issue Plant Secondary Metabolites in Medicinal and Aromatic Plants)
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