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Correction published on 26 August 2019, see Int. J. Mol. Sci. 2019, 20(17), 4178.
Open AccessArticle

Effects of Sapindus mukorossi Seed Oil on Skin Wound Healing: In Vivo and in Vitro Testing

1
Emergency Department, Mackay Momorial Hospital, Taipei 110, Taiwan
2
Medical School, Mackay Medical College, New Taipei City 252, Taiwan
3
Graduate Institute of Biomedical Optomechatronics, College of Biomedical Engineering, Taipei Medical University, Taipei 110, Taiwan
4
Department of Microbiology, Immunology and Biopharmaceuticals, College of Life Sciences, National Chiayi University, Chiayi 600, Taiwan
5
School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan
*
Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2019, 20(10), 2579; https://doi.org/10.3390/ijms20102579
Received: 1 May 2019 / Revised: 22 May 2019 / Accepted: 23 May 2019 / Published: 26 May 2019
(This article belongs to the Special Issue Chemopreventive Activities of Phytochemicals)
Sapindus mukorossi seed oil is commonly used as a source for biodiesel fuel. Its phytochemical composition is similar to the extracted oil from Sapindus trifoliatus seeds, which exhibit beneficial effects for skin wound healing. Since S. mukorossi seed shows no cyanogenic property, it could be a potential candidate for the treatment of skin wounds. Thus, we evaluated the effectiveness of S. mukorossi seed oil in the treatment of skin wounds. We characterized and quantified the fatty acids and unsaponifiable fractions (including β-sitosterol and δ-tocopherol) contained in S. mukorossi seed-extracted oil by GC-MS and HPLC, respectively. Cell proliferation and migratory ability were evaluated by cell viability and scratch experiments using CCD-966SK cells treated with S. mukorossi oil. The anti-inflammatory effects of the oil were evaluated by measuring the nitric oxide (NO) production in lipopolysaccharide-treated RAW 264.7 cells. Antimicrobial activity tests were performed with Propionibacterium acnes, Staphylococcus aureus, and Candida albicans using a modified Japanese Industrial Standard procedure. Uniform artificial wounds were created on the dorsum of rats. The wounds were treated with a carboxymethyl cellulose (CMC)/hyaluronic acid (HA)/sodium alginate (SA) hydrogel for releasing the S. mukorossi seed oil. The wound sizes were measured photographically for 12 days and were compared to wounds covered with analogous membranes containing a saline solution. Our results showed that the S. mukorossi seed oil used in this study contains abundant monounsaturated fatty acids, β-sitosterol, and δ-tocopherol. In the in vitro tests, S. mukorossi seed oil prompted cell proliferation and migration capability. Additionally, the oil had significant anti-inflammatory and anti-microbial activities. In the in vivo animal experiments, S. mukorossi seed oil-treated wounds revealed acceleration of sequential skin wound healing events after two days of healing. The size of oil-treated wound decreased to half the size of the untreated control after eight days of healing. The results suggest that S. mukorossi seed oil could be a potential source for promoting skin wound healing. View Full-Text
Keywords: wound healing; Sapindus mukorossi; β-sitosterol; anti-inflammatory wound healing; Sapindus mukorossi; β-sitosterol; anti-inflammatory
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MDPI and ACS Style

Chen, C.-C.; Nien, C.-J.; Chen, L.-G.; Huang, K.-Y.; Chang, W.-J.; Huang, H.-M. Effects of Sapindus mukorossi Seed Oil on Skin Wound Healing: In Vivo and in Vitro Testing. Int. J. Mol. Sci. 2019, 20, 2579.

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