Exploring Plant Secondary Metabolites and Their Applications

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

Deadline for manuscript submissions: closed (11 April 2025) | Viewed by 942

Special Issue Editor


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Guest Editor
Faculty of Engineering, Campus Amazcala, Autonomous University of Querétaro, Carretera Chichimequillas, km 1 S/N, El Marqués, Querétaro 76265, Mexico
Interests: secondary metabolites; nutraceuticals; biotic and abiotic stress
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Special Issue Information

Dear Colleagues,

Plants are a source of compounds among which are the so-called secondary metabolites, which have various biological activities. These secondary metabolites are not essential nutrients, but they can have antioxidant, anti-inflammatory, antimicrobial, and other properties that both promote health and provide some benefits to humans. The production of these compounds is affected by various factors such as biotic and abiotic stress, providing plants with adaptation mechanisms, repelling harmful insects and microorganisms, and generating soil–plant–environment interactions, in addition to providing benefits to consumers given the biological properties that these metabolites possess. In this sense, the exploration of the application of various stimuli that resemble biotic and/or abiotic stress conditions, to increase the concentration of secondary metabolites in the plant, is a current trend that has been explored in various areas of research, as well as has possible applications. Among the secondary metabolites that have been most studied in terms of their biological activities and possible applications, polyphenols, carotenoids, flavonoids, glucosinolates, and phytosterols, among others, stand out. However, there are still secondary metabolites whose biological activities are unknown; therefore, their applications have not been delved into. The general concept of this Special Issue is to provide an updated overview on the possible biological activities of secondary metabolites and applications thereof. In particular, we accept the submission of reviews and original research articles that report novel scientific findings on the following topics, among others:

  • Strategies that increase the production of secondary metabolites and the conservation of biological activities.
  • Application and use of secondary metabolites in various areas such as medicine, pharmacology, cosmetics, agroindustry, food, etc.
  • Toxicity of secondary metabolites in applications.
  • Innovation for obtaining and applying secondary metabolites for the benefit of humans.
  • Agonism and/or antagonism of secondary metabolites in the application areas.

Prof. Dr. Ana Angelica Feregrino Perez
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

  • secondary metabolites
  • applications areas
  • biological activity
  • production of secondary metabolites

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Published Papers (1 paper)

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Research

17 pages, 1442 KiB  
Article
Evaluation of Phenolic Compounds and Antioxidant Activity in Three Black Cherry Tomato Varieties Grown Under Greenhouse Conditions
by Josué Daniel Hernández-Vega, Ixchel Parola-Contreras, Erik Gustavo Tovar-Pérez, Ramón Gerardo Guevara-González, Humberto Aguirre-Becerra, Ana Angélica Feregrino-Pérez, Luis Miguel Contreras-Medina and Rosario Guzmán-Cruz
Plants 2025, 14(8), 1173; https://doi.org/10.3390/plants14081173 - 10 Apr 2025
Viewed by 518
Abstract
Given the importance of phenolic compounds and antioxidant capacity in plant defense and human health, this study aimed to evaluate black cherry tomatoes’ polyphenol, flavonoid, anthocyanin, and carotenoid content and enzymatic activity under greenhouse conditions. Black cherry tomato varieties—Indigo Cherry Drops, Indigo Rose, [...] Read more.
Given the importance of phenolic compounds and antioxidant capacity in plant defense and human health, this study aimed to evaluate black cherry tomatoes’ polyphenol, flavonoid, anthocyanin, and carotenoid content and enzymatic activity under greenhouse conditions. Black cherry tomato varieties—Indigo Cherry Drops, Indigo Rose, and Kumato—were cultivated from seed to the third harvest. Total polyphenols, flavonoids, anthocyanins, β-carotenoids, antioxidant capacity 2,2-diphenyl-1-picrylhydrazyl (DPPH), 2,2’-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) (ABTS), and enzymatic activities, including superoxide dismutase (SOD), catalase (CAT), proline (PRO), and superoxide dismutase (PAL), were measured and compared. The Kumato variety exhibited significantly higher total polyphenols, flavonoids, and carotenoids, along with enhanced antioxidant activity (DPPH, ABTS) and enzymatic activity (CAT, PAL) compared to Indigo Rose and Indigo Cherry Drops, with free radical inhibition of 87.0% (DPPH) and 74.72% (ABTS). SOD activity was highest in Indigo Rose (0.21 U/mg protein), while proline levels were significantly higher in Kumato and Indigo Cherry Drops (6.40 and 6.63 U/mg protein). These findings highlight the antioxidant potential of black cherry tomatoes and their high potential nutritional value for consumers. Future research should explore how environmental factors influence their biochemical composition and potential applications in functional food. Full article
(This article belongs to the Special Issue Exploring Plant Secondary Metabolites and Their Applications)
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