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Plant Polyphenols - from Plants to Human Health Volume III
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Plant Polyphenols - from Plants to Human Health Volume III

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

Deadline for manuscript submissions: closed (31 January 2023) | Viewed by 7409

Special Issue Editor

Dr. Dunja Šamec

E-Mail Website
Guest Editor
Department of Food Technology, University North, Trg dr. Žarka Dolinara 1, 48000 Koprivnica, Croatia
Interests: plant specialized metabolites; natural products in plant based food; metabolomics; climate changes impact on plant-based food production
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The journal Plants will publish the third volume of the Special Issue entitled Plant Polyphenols—from Plants to Human Health. Polyphenols, as a big group of specialized metabolites, play important roles in plant growth, development and plant–environmental interactions. On another hand, they have beneficiary effects on human health.

This Special Issue will focus on the roles in of polyphenols in plants as well as on their roles in human health. This will include papers that concern new findings about the roles and mechanisms of action of polyphenols in plants and new findings regarding how environmental and genetic factors influence their diversity, biosynthesis, homeostasis and potential health benefits.  In addition, the Special Issue will cover papers focused on new methodologies for the isolation, identification and quantification of polyphenols from various plants, as well as on the in vitro or in vivo biological properties of polyphenols isolated from plants. Articles that incorporate the use of modern, omics tools will be highly appreciated. Original research articles, reviews and short communications are welcome.

Dr. Dunja Šamec
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

  • polyphenols
  • plants
  • biosynthesis
  • biological activity
  • omics

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Published Papers (3 papers)

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Research

16 pages, 1067 KiB  
Article
Identification and Quantification of Bioactive Compounds in Organic and Conventional Edible Pansy Flowers (Viola × wittrockiana) and Their Antioxidant Activity
by Michalina Kozicka and Ewelina Hallmann
Plants 2023, 12(6), 1264; https://doi.org/10.3390/plants12061264 - 10 Mar 2023
Cited by 4 | Viewed by 2554
Abstract
The use of edible flowers has become increasingly popular as a good source of bioactive compounds. Many flowers can be consumed, but there is a lack of information about the chemical composition of organic and conventional flowers. Organic crops represent a higher level [...] Read more.
The use of edible flowers has become increasingly popular as a good source of bioactive compounds. Many flowers can be consumed, but there is a lack of information about the chemical composition of organic and conventional flowers. Organic crops represent a higher level of food safety because pesticides and artificial fertilizers are prohibited. The present experiment was carried out with organic and conventional edible pansy flowers of different colors: double-pigmented violet/yellow and single-pigmented yellow flowers. In fresh flowers, the contents of dry matter and polyphenols (including phenolic acids, flavonoids, anthocyanins, carotenoids, and chlorophylls) and the antioxidant activity were determined by the HPLC-DAD method. The results showed that organic edible pansy flowers contained significantly more bioactive compounds, especially polyphenols (333.8 mg/100 g F.W.), phenolic acids (40.1 mg/100 g F.W.), and anthocyanins (293.7 mg/100 g F.W.) compared to conventional methods. Double-pigmented (violet/yellow) pansy flowers are more recommended for the daily diet than single-pigmented yellow flowers. The results are unique and open the first chapter in a book on the nutritional value of organic and conventional edible flowers. Full article
(This article belongs to the Special Issue Plant Polyphenols - from Plants to Human Health Volume III)
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13 pages, 518 KiB  
Article
Polyphenolic Compound Variation in Globe Artichoke Cultivars as Affected by Fertilization and Biostimulants Application
by Vincenzo Montesano, Donatella Negro, Gabriella Sonnante, Gaetano Laghetti and Marcella Urbano
Plants 2022, 11(15), 2067; https://doi.org/10.3390/plants11152067 - 8 Aug 2022
Cited by 11 | Viewed by 2043
Abstract
Globe artichoke is an ancient herbaceous plant native to the Mediterranean Basin. The edible part of the plant is limited to the fleshy leaves (bracts) and receptacle of a large immature inflorescence (head) that has been shown to be a rich source of [...] Read more.
Globe artichoke is an ancient herbaceous plant native to the Mediterranean Basin. The edible part of the plant is limited to the fleshy leaves (bracts) and receptacle of a large immature inflorescence (head) that has been shown to be a rich source of bioactive compounds. Nutritional and pharmacological properties of artichoke heads and leaves are attributed mainly to polyphenolic compounds and inulin present at high concentration. In this study, polyphenols were investigated in two artichoke cultivars (Opal and Madrigal) in response to four nitrogen rates and foliar applications of biostimulating products under drip irrigation. Field experiments were carried out over two growing seasons (2015–2016, 2016–2017) in Policoro (MT), Southern Italy, on a deep clay soil in sub-humid climate conditions. Phenolic compounds were isolated and characterized by means of high-performance liquid chromatography with photodiode array detection and electrospray ionization/mass spectrometry (HPLC-DAD-MS/MS) analysis. In both cultivars, caffeoylquinic acids were more abundant when a dose of 100 kg ha−1 of ammonium nitrate was provided, whereas apigenins were not affected by nitrogen fertilization. Luteolins increased in cv Opal and decreased in cv Madrigal following N fertilization. The application of biostimulants (3 L ha−1) favored the accumulation of polyphenols, in particular of caffeoylquinic acids and apigenin, in artichoke heads in both cultivars. The results obtained highlight some positive aspects related to the synergistic effect of nitrogen fertilization and biostimulant foliar application. Full article
(This article belongs to the Special Issue Plant Polyphenols - from Plants to Human Health Volume III)
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12 pages, 2794 KiB  
Article
Chemical Composition, Antioxidant Potentials, and Calcium Oxalate Anticrystallization Activity of Polyphenol and Saponin Fractions from Argania spinosa L. Press Cake
by Fatima Ezzahra El oumari, Naima Mammate, Hamada Imtara, Anissa Lahrichi, Radouane Elhabbani, Ghita El mouhri, Ali S. Alqahtani, Omar M. Noman, Mansour N. Ibrahim, Andriy Grafov, Dalila Bousta and Tarik Sqalli Houssaini
Plants 2022, 11(14), 1852; https://doi.org/10.3390/plants11141852 - 15 Jul 2022
Cited by 4 | Viewed by 2246
Abstract
A wide range of biological properties and a potent therapeutic and prophylactic effect on chronic diseases are all present in Argania spinosa L. press cake. The aim of this research is to valorize the anticrystallization properties against calcium oxalate crystals of Argania spinosa [...] Read more.
A wide range of biological properties and a potent therapeutic and prophylactic effect on chronic diseases are all present in Argania spinosa L. press cake. The aim of this research is to valorize the anticrystallization properties against calcium oxalate crystals of Argania spinosa L. press cake fractions and identify its bioactive components. Chemical species identification was performed using GC–MS analysis. The turbidimetric model was used to investigate crystallization inhibition in vitro. Infrared spectroscopy technique was used to characterize the synthesized crystals. Furthermore, both DPPH and FRAP methods were used to assess antioxidant activity. The results show that the fractions are equally important in crystallization inhibition percentages of calcium oxalate crystals. For saponin and polyphenol fractions, the inhibition percentages are in the orders of 83.49% and 82.83%, respectively. The results of the antioxidant activity by DPPH method show that the two fractions are equally important in the elimination of free radicals; the inhibition percentages were 77.87 ± 4.21 and 89.92 ± 1.39 for both polyphenols and saponins, respectively. FRAP method showed that the absorbance increases proportionally with concentration, and the absorbance are almost similar for both fractions and reach maximum values in the orders of 0.52 ± 0.07 and 0.42 ± 0.03, respectively, for saponins and polyphenols. These findings demonstrate that both fractions are rich in bioactive chemicals and have an anticrystallization capacity, allowing them to be employed for the curative and prophylactic effects against urolithiasis. Full article
(This article belongs to the Special Issue Plant Polyphenols - from Plants to Human Health Volume III)
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