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Review
. 2021 Aug 13;10(16):3558.
doi: 10.3390/jcm10163558.

The Role of Antioxidants on Wound Healing: A Review of the Current Evidence

Inés María Comino-Sanz  1 , María Dolores López-Franco  1 , Begoña Castro  2 , Pedro Luis Pancorbo-Hidalgo  1
Affiliations
Review

The Role of Antioxidants on Wound Healing: A Review of the Current Evidence

Inés María Comino-Sanz et al. J Clin Med. .

Abstract

(1) Background: Reactive oxygen species (ROS) play a crucial role in the preparation of the normal wound healing response. Therefore, a correct balance between low or high levels of ROS is essential. Antioxidant dressings that regulate this balance are a target for new therapies. The purpose of this review is to identify the compounds with antioxidant properties that have been tested for wound healing and to summarize the available evidence on their effects. (2) Methods: A literature search was conducted and included any study that evaluated the effects or mechanisms of antioxidants in the healing process (in vitro, animal models or human studies). (3) Results: Seven compounds with antioxidant activity were identified (Curcumin, N-acetyl cysteine, Chitosan, Gallic Acid, Edaravone, Crocin, Safranal and Quercetin) and 46 studies reporting the effects on the healing process of these antioxidants compounds were included. (4) Conclusions: this review offers a map of the research on some of the antioxidant compounds with potential for use as wound therapies and basic research on redox balance and oxidative stress in the healing process. Curcumin, NAC, quercetin and chitosan are the antioxidant compounds that shown some initial evidence of efficacy, but more research in human is needed.

Keywords: antioxidant dressing; oxidative stress; reactive oxygen species; wound healing.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Flow chart of the selection of reviewed articles.
Figure 2
Figure 2
Chemical formula of the antioxidant substances.
See this image and copyright information in PMC

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