Special Issue "Qualitative and Quantitative Changes in Plant Metabolite Contents"
A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Physiology and Metabolism".
Deadline for manuscript submissions: 30 November 2023 | Viewed by 9836
Special Issue Editors
Interests: enzymatic and non-enzymatic antioxidant components; defense mechanisms; primary metabolites ; secondary metabolites ; qualitative and quantitative changes in the content of metabolites
Interests: biochemistry of fruits; plant secondary metabolites; the role of polyphenols in oxidative stress; HPLC techniques; nonenzymatic reactions; the role of polyphenols in oxidative stress protection; the role of sugars in oxidative defense and/or pro-oxidation; free-radical-mediated reactions; phenolic metabolism; the apoplast and cell wall as model systems for the investigation of redox processes
Special Issue Information
Dear Colleagues,
Plants naturally produce various substances of different chemical nature, which represent the products of primary and secondary plant metabolism. Primary metabolites such as carbohydrates, amino acids, fatty acids, and organic acids are required for processes of plant growth and development. Products obtained from primary metabolites and produced by biosynthetic modifications into more complex structural composition are considered secondary metabolites; these include flavonoids, carotenoids, sterols, phenolic acids, alkaloids, and glucosinolates. They are responsible for the color of fruits, protection against herbivores and microorganisms, and the attraction of pollinators and seed-dispersing animals, and act as signal molecules in stress conditions.
The biological functions of many metabolites are still widely unrecognized in plants due to their frequently low concentrations, so emerging challenges in plant biology primarily include the selection of appropriate methods for the extraction of compounds of interest and their subsequent quantification. Recently, the application of advanced analytical methods such as chromatography, mass spectrometry, infrared spectrometry, nuclear magnetic resonance, etc. has enabled quantitative and qualitative research in metabolomics. Even so, knowledge regarding a huge number of plant metabolites is still obscure, and their functions remain unknown. Therefore, this Special Issue focuses on the qualitative and quantitative evaluation of different classes of metabolites with broad activities in plant tissues. We welcome both review and original research articles.
Dr. Jelena Dragišić Maksimović
Dr. Vuk Maksimović
Guest Editors
Manuscript Submission Information
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Keywords
- analytical methods
- extraction procedures
- primary metabolites
- sugars
- organic acids
- amino acids
- vitamins
- nucleotides
- polyols
- secondary metabolites
- phenolic compounds
- antioxidative enzymes
- phytohormones
- pigments
- essential oils
- reactive oxygen species
Planned Papers
The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.
Title: Sesquiterpene lactones and phenolics profile of red and green lettuce: combined effect of cultivar, microbiological fertiliser and season
Authors: Milica Stojanović 1*, Slađana Savić 2, Jean-Louis Hilbert 3, Abigaël Delcourt 3, Philippe Hance 3, Jelena Dragišić Maksimović 1, Vuk Maksimović 1
Affiliation: 1 University of Belgrade, Institute for Multidisciplinary Research, Kneza Višeslava 1, 11030 Belgrade, Serbia; milica.stojanovic@imsi.bg.ac.rs (M.S.); draxy@imsi.bg.ac.rs (J.D.M.); maxivuk@imsi.bg.ac.rs (V.M.)
2 Institute for Vegetable Crops, Karađorđeva 71, 11420 Smederevska Palanka, Serbia; ssavic@institut-palanka.rs (S.S.)
3 BioEcoAgro N° 1158, Univ. Lille, INRAE, Univ. Liège, UPJV, YNCREA, Univ. Artois, Univ. Littoral Côte d’Opale, ICV – Institute Charles Viollette, F-59000 Lille, France; jean-louis.hilbert@univ-lille1.fr (J-L.H.); delcourt.abigael@univ-lille.fr (A.D.); philippe.hance@univ-lille.fr (P.H.)
Abstract: Abstract: This study aimed to investigate the effect of cultivar, microbiological fertiliser and season on the phenolics and sesquiterpene lactones content in lettuce. Plants were grown in the greenhouse using two microbiological fertilisers (EM Aktiv and Vital Tricho), and their combination. Experiments were organized in three consecutive growing seasons (autumn, winter and spring) with six red and green cultivars. Red cultivars showed higher phenolics and lactones content compared to green. Chicoric acid and luteolin-7-glucoside were the most abundant phenolics found in red cultivar ‘Gaugin’ in winter trial. Fertiliser EM Aktiv and Vital Tricho led to significantly higher phenolic acids content in a range of 29.2-75.0%. On contrary, application of single fertilisers had no effect, or their combination even lowered flavonoids content. Generally, lactones were accumulated during autumn, whereas phenolics in winter, with few exceptions. Total phenolics content, caffeoylmalic acid and quercetin-3-malonylglucoside-7-glucoside were higher in autumn while chlorogenic, neochlorogenic acid and dihydrolactucopicrin in spring. Lactucopicrin was predominant lactone among tested cultivars with highest value in red cultivar ‘Carmesi’. Combined fertilisers led to significantly increased lactones content by 40-200% in autumn. Sensory analysis showed negative correlation between taste and total sesquiterpene lactones, lactucopicrin, caffeoylmalic and chlorogenic acid, indicating less bitter taste with decreasing content of these compounds. Our findings indicate that cultivar, fertiliser and growing season jointly affected all of the tested parameters highlighting the importance of application of EM Aktiv and/or combined fertilisers.