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Antioxidants
Special Issues
Dietary Antioxidants and Gut Health—2nd Edition
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Dietary Antioxidants and Gut Health—2nd Edition

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 February 2025) | Viewed by 980

Special Issue Editors

Dr. Marcin Taciak

E-Mail Website1 Website2
Guest Editor
The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, Instytucka 3, 05-110 Jabłonna, Poland
Interests: animal nutrition; bioactive compounds; gastrointestinal tract; microbial activity
Special Issues, Collections and Topics in MDPI journals
Dr. Motoi Kikusato

E-Mail Website
Guest Editor
Animal Nutrition, Life Sciences, Graduate School of Agricultural Science, Tohoku University, 468-1 Aramaki Aza-Aoba, Aoba-ku, Sendai 980-8572, Japan
Interests: mitochondria; phytochemicals; intestinal/systemic inflammation; protein metabolism; metabolism
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Following the great response we received with the previous Special Issue "Dietary Antioxidants and Gut Health", we decided to release a second edition.

Under normal conditions, reactive oxygen species (ROS) and reactive nitrogen species (RNS) are produced in gastrointestinal epithelial cells—either from oxygen metabolism or enteric commensal bacteria—and contribute to regulating gut health. However, elevated production of ROS/RNS increases further harmful free radical production and antioxidant activity, and imbalances in both lead to oxidative stress. Oxidative stress can also arise from nutritional, environmental (like heat stress), and pathological factors.

Supplemented antioxidants (vitamins and plant extracts with antioxidant properties) scavenge ROS/RNS and are beneficial in mitigating oxidative stress in the gut. This, in turn, translates into the proper functioning of the body, reducing the risk of metabolic, inflammatory, and neurodegenerative diseases.

We encourage you to submit the results of your latest research or a review article on antioxidants of dietary origin and the key role they play in the physiology of the gastrointestinal tract, including in the regulation of microbiota.

We envisage that this Special Issue will help highlight the latest advances in aspects related to the interaction between these reactive species, as beneficial nutrients, and the gastrointestinal tract.

Dr. Marcin Taciak
Dr. Motoi Kikusato
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. 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

  • dietary antioxidants
  • gastrointestinal tract
  • epithelial cells
  • microbiota
  • inflammation
  • digestion ability

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Published Papers (1 paper)

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Research

17 pages, 3231 KiB  
Article
Dietary Fiber-Rich Spartina anglica Improves Intestinal Health and Antioxidant Capacity of Zhedong White Geese
by Xiao Zhou, Li Wang, Jiuli Dai, Huiyan Jia, Kai Shi, Jian Zhao and Shufang Chen
Antioxidants 2025, 14(1), 87; https://doi.org/10.3390/antiox14010087 - 13 Jan 2025
Viewed by 661
Abstract
Spartina anglica (SA), a plant rich in dietary fiber, has demonstrated considerable potential for enhancing gut health and antioxidant capacity in animals. This study investigates the integration of SA as a novel dietary ingredient for Zhedong white geese, with a specific focus on [...] Read more.
Spartina anglica (SA), a plant rich in dietary fiber, has demonstrated considerable potential for enhancing gut health and antioxidant capacity in animals. This study investigates the integration of SA as a novel dietary ingredient for Zhedong white geese, with a specific focus on evaluating its effects on growth performance, nutrient digestibility, antioxidant capacity, intestinal health, and cecal microbiota composition. A total of 360 1-day-old Zhedong white geese with an average weight of 114.94 ± 0.81 g were randomly allocated to 4 dietary treatments, with 6 replicates per treatment and 15 geese per pen. The 4 dietary treatments included different SA supplement levels: a control group receiving a basal diet (CON), and three experimental groups supplemented with 3% SA (SA3), 6% SA (SA6), and 12% SA (SA12). Supplementation with 6% SA significantly enhanced the final body weight, average daily gain, and feed conversion ratio (FCR) compared to the CON group (p < 0.05). In contrast, the SA12 group exhibited reduced digestibility of crude protein and ether extract, relative to the SA3 and SA6 groups (p < 0.05). The highest antioxidant capacity was observed in the SA6 and SA12 groups, while the lowest was recorded in the CON group. SA supplementation did not significantly influence serum biochemical parameters or organ indices but increased cecum length (p < 0.05). Notably, SA supplementation markedly improved intestinal morphology, although excessive levels appeared to compromise these benefits. Additionally, SA supplementation significantly enhanced the richness and diversity of cecal microbiota and increased short-chain fatty acid concentrations. In conclusion, SA at an optimal supplementation level of 6% may be effectively utilized in Zhedong white geese diets to improve growth performance, gut health, and antioxidant capacity. Full article
(This article belongs to the Special Issue Dietary Antioxidants and Gut Health—2nd Edition)
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