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Journals
Agronomy
Special Issues
Secondary Metabolites in Plants and Their Products
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Secondary Metabolites in Plants and Their Products

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Plant-Crop Biology and Biochemistry".

Deadline for manuscript submissions: closed (31 July 2023) | Viewed by 1047

Special Issue Editors

Prof. Dr. Zivile Taraseviciene

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Guest Editor
Department of Plants Biology and Food Science, Faculty of Agronomy, Agriculture Academy Vytautas Magnus University, Donelaicio Str. 52, LT-44248 Kaunas, Lithuania
Interests: sustainable food systems; bioactive compounds; extraction; encapsulation; agro-food by-products
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Ewelina Hallmann

E-Mail Website
Guest Editor
Department of Functional and Organic Food, Institute of Human Nutrition Sciences, Warsaw University of Life Sciences, Nowoursynowska 159c, 02-776 Warsaw, Poland
Interests: organic food; nutrition; bioactive compounds
Special Issues, Collections and Topics in MDPI journals
Dr. Aurelija Paulauskienė

E-Mail Website
Guest Editor
Department of Plants Biology and Food Science, Faculty of Agronomy, Agriculture Academy Vytautas Magnus University, Donelaicio Str. 52, LT-44248 Kaunas, Lithuania
Interests: food chemistry; polyphenols; pigments
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The natural secondary metabolites of plants are characterized by a large chemical and structural diversity, and the main function of plants is their adaptation to a growth environment. The amount of bioactive compounds in plants largely depends on the plant species, variety, growing practices, meteorological conditions, postharvest handling, storage, and processing. Secondary metabolites are important for their antimicrobial, antifungal, plant defense against herbivory, attractant, physiological stress response, and allelopathic effects. Plants' secondary metabolites are of great importance in the scientific world due to their health benefits. Despite the extensive research in this field, the scientific findings related to these compounds are still important. In this Special Issue, the research results related to the synthesis, accumulation, qualitative and quantitative changes of plants and their product's natural secondary compounds, and their effects on the plant and the environment are expected.

Prof. Dr. Zivile Taraseviciene
Prof. Dr. Ewelina Hallmann
Dr. Aurelija Paulauskienė
Guest Editors

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. Agronomy is an international peer-reviewed open access monthly 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 2600 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

  • plants secondary compounds
  • synthesis
  • accumulation
  • qualitative and quantitative changes

Published Papers (1 paper)

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Research

16 pages, 3142 KiB  
Article
The Electrical Conductivity and Drying Method Changed the Secondary Metabolite Content and Photoprotective Effects of Hydroponically Cultivated Agastache rugosa Kuntze
by Yang-Ju Son, Jai-Eok Park and Chu Won Nho
Agronomy 2023, 13(8), 2165; https://doi.org/10.3390/agronomy13082165 - 18 Aug 2023
Viewed by 792
Abstract
Many studies have examined how various cultivation methods and elicitors elevate target crop values. Post-harvest treatments, such as the drying method, may alter the final product’s characteristics. We investigated the effect of nutrient solution concentration during the hydroponic cultivation and drying method (cold [...] Read more.
Many studies have examined how various cultivation methods and elicitors elevate target crop values. Post-harvest treatments, such as the drying method, may alter the final product’s characteristics. We investigated the effect of nutrient solution concentration during the hydroponic cultivation and drying method (cold air drying and freeze drying) after harvesting Agastache rugosa Kuntze, an herb used for folk medicine and as a deodorant, spice, and tea in East Asia. To explore the properties of A. rugosa, we determined its growth parameters, secondary metabolites, and photoprotective effects. We observed the highest growth and yields in A. rugosa grown under 4.0 dS·m−1 electrical conductivity (EC) conditions. However, the EC 2.0 group showed higher antioxidative properties than those grown in EC 1.5 and 4.0 conditions. Drying conditions varied the content and ratios of major active compounds (rosmarinic acid, tilianin, and acacetin) in A. rugosa. Cold air drying caused rosmarinic acid transmutation to tilianin and acacetin, and tilianin showed a stronger positive correlation with antioxidative and photoprotective activities than rosmarinic acid. The increased tilianin content in cold-air-dried A. rugosa accompanied the improved photoprotective effects in dermal cell lines. This study reveals the effects of cultivation and drying methods in A. rugosa production, and proposes alternate industrial production techniques. Full article
(This article belongs to the Special Issue Secondary Metabolites in Plants and Their Products)
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