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Antioxidants
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Plant Matrices of Bioactive Compounds as Strong Antioxidants with Health-Promoting...
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Plant Matrices of Bioactive Compounds as Strong Antioxidants with Health-Promoting Properties

A special issue of Antioxidants (ISSN 2076-3921). This special issue belongs to the section "Health Outcomes of Antioxidants and Oxidative Stress".

Deadline for manuscript submissions: closed (10 March 2024) | Viewed by 1031

Special Issue Editor

Dr. Paulina Nowicka

E-Mail Website
Guest Editor
Department of Fruit, Vegetables and Plant Nutraceutical Technology, Faculty of Biotechnology and Food Science, Wrocław University of Environmental and Life Sciences, 37 Chełmońskiego Str., 51-630 Wrocław, Poland
Interests: plant materials; bioactive compounds; pro-health properties; food design; use of waste raw materials; UPLC and LC/MS technique

Special Issue Information

Dear Colleagues, 

Advances in medical sciences, the latest research results, and recommendations made by renowned international expert centers have emphasized that plants have a significant effect on the reduction of morbidity and mortality from chronic noncommunicable diseases. The largest range of pro-health properties is attributed to bioactive compounds such as polyphenols, triterpenes, iridoids, carotenoids, and chlorophylls. These compounds exhibit strong antioxidative properties that protect the defense systems of the body against the destructive effects of free radicals. Therefore, the intake of these compounds prevents and/or enables the treatment of infections; cardiovascular, metabolic, and degenerative diseases; stomach ulcers; and several forms of cancers, diabetes, and neurodegenerative diseases.

In recent years, it has been indicated that the antioxidant potential of bioactive compounds in plant matrices—those naturally occurring and formed on the basis of the broadly understood encapsulation process—is conditioned by interactions between them. The synergy or antagonism of action may therefore enhance or weaken the pro-health effect, which ultimately results in an increase or decrease in the bioavailability of bioactive compounds, compared to single reference compounds.

We invite you to submit your latest research findings or a review article to this Special Issue, which will bring together current research concerning plant antioxidants and their interactions. We welcome submissions concerning investigating the interactions of compounds in complex plant matrices, both those naturally occurring (herbs, vegetables, fruits, edible flowers) and those formed as a result of the broadly understood encapsulation process. In this context, we will be particularly interested in the health-promoting effect of such matrices assessed both in vitro and in vivo, as well as the degree of bioavailability of these complexes.

Dr. Paulina Nowicka
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. Antioxidants 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 2900 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

  • polyphenolic compounds
  • isoprenoids
  • edible plants
  • health-promoting properties
  • bioavailability
  • interactions

Published Papers (2 papers)

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Research

11 pages, 1025 KiB  
Article
Antioxidant Activities in Kenaf (Hibiscus cannabinus) Shoots during Growth Stages and Destination of Chlorogenic Acid and Kaempferol Glycosides
by Shucheng Duan, Soon-Jae Kwon, Da Yun Jeong, Ji Hye Kim, You Rang Park, Chang Kyu Kim, Jae-Hee Kim and Seok Hyun Eom
Antioxidants 2024, 13(5), 532; https://doi.org/10.3390/antiox13050532 - 26 Apr 2024
Abstract
Apart from being utilized as a commercial fiber at maturity, kenaf shoots have potential as a food and feed source because of their diverse bioactivities. Previous studies have focused on mature stems because of their high biomass, whereas the antioxidant activities (AA) and [...] Read more.
Apart from being utilized as a commercial fiber at maturity, kenaf shoots have potential as a food and feed source because of their diverse bioactivities. Previous studies have focused on mature stems because of their high biomass, whereas the antioxidant activities (AA) and the destination of AA contributors of kenaf stems and their high-yielding byproduct leaves during the growth stage have rarely been studied. Therefore, we investigated changes in AA and its relative components in kenaf leaves and stems during the four vital growth stages. Higher ABTS radical cation and DPPH radical scavenging abilities and ferric reducing antioxidant power, total phenolic content, total flavonoid content, and total polysaccharide content were observed at all leaf stages and in the late stem stages. Chlorogenic acid (CGA) and kaempferol glycosides, especially kaempferitrin (Kfr), were identified as representative phenolic acids and flavonoids in both kenaf leaves and stems. The content of CGA in both leaves and stems increased corresponding to the plant’s growth stage, whereas kaempferol glycosides were enhanced in leaves but declined in stems. The highest correlation was observed between TPC and AA in all organs. Further evaluation of CGA and Kfr verified that CGA was the predominant contributor to AA, surpassing Kfr. These findings suggest that kenaf leaves increase antioxidant levels as they grow and can be a useful source of stem harvesting byproducts. Full article
(This article belongs to the Special Issue Plant Matrices of Bioactive Compounds as Strong Antioxidants with Health-Promoting Properties)
15 pages, 3313 KiB  
Article
Light-Induced Antioxidant Phenolic Changes among the Sprouts of Lentil Cultivar
by You Rang Park, Soon-Jae Kwon, Ji Hye Kim, Shucheng Duan and Seok Hyun Eom
Antioxidants 2024, 13(4), 399; https://doi.org/10.3390/antiox13040399 - 27 Mar 2024
Viewed by 594
Abstract
Lentil is a leguminous crop with a high content of health-beneficial polyphenols. Lentil sprouts are popularly consumed in fresh vegetable markets, although their phytochemical qualities are not well understood. In this study, we investigated the accumulation of phenolics in lentil sprouts in response [...] Read more.
Lentil is a leguminous crop with a high content of health-beneficial polyphenols. Lentil sprouts are popularly consumed in fresh vegetable markets, although their phytochemical qualities are not well understood. In this study, we investigated the accumulation of phenolics in lentil sprouts in response to photosynthetic and stress light qualities, including fluorescent light (FL), red LED (RL), blue LED (BL), ultraviolet A (UV-A), and ultraviolet B (UV-B). Three lentil cultivars, Lentil Green (LG), French Green (FG), and Lentil Red (LR), were used to evaluate sprouts grown under each light condition. The adequate light intensities for enhancing the antioxidant activity of lentil sprouts were found to be 11 W/m2 under photosynthetic lights (FL, RL, BL), and 1 W/m2 under stress lights (UV-A, UV-B). Subsequently, HPLC-ESI/Q-TOF MS analysis was conducted for the quantitative analysis of the individual phenolics that were accumulated in response to light quality. Four main phenolic compounds were identified: ferulic acid, tricetin, luteolin, and kaempferol. Notably, tricetin accumulation was significantly enhanced under BL across all three lentil cultivars examined. Furthermore, the study revealed that the other phenolic compounds were highly dependent on FL, BL, or UV-B exposure, exhibiting cultivar-specific variations. Additionally, the antioxidant activities of lentil extracts indicated that BL was most effective for LG and FG cultivars, whereas FL was most effective for enhancing antioxidant activity of LR cultivars as the sprouts grew. Full article
(This article belongs to the Special Issue Plant Matrices of Bioactive Compounds as Strong Antioxidants with Health-Promoting Properties)
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