Antioxidant and Anti-Inflammatory Activities of Sargassum macrocarpum Extractsopen access
- Authors
- Kim, Hoon; Shin, Hyun Young; Jeong, Eun-Jin; Lee, Hak-Dong; Hwang, Ki Cheol; Yu, Kwang-Won; Lee, Sullim; Lee, Sanghyun
- Issue Date
- Dec-2022
- Publisher
- MDPI
- Keywords
- HaCaT; RAW 264; 7; brown seaweed; anti-dermatitis activity; fucose-containing polysaccharide
- Citation
- ANTIOXIDANTS, v.11, no.12
- Journal Title
- ANTIOXIDANTS
- Volume
- 11
- Number
- 12
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/86693
- DOI
- 10.3390/antiox11122483
- ISSN
- 2076-3921
- Abstract
- Oxidative stress and the inflammatory response are known to be the most important pathological factors for aging skin cells. Therefore, substances that protect skin cells from oxidative stress and inflammatory reactions of the skin have potential as functional ingredients for skin care. In the present study, we investigated the potential of Sargassum macrocarpum as an anti-inflammatory candidate for inflammatory skin disease. Antioxidant and anti-inflammatory activities are desirable properties in such functional materials. The total polyphenol content as well as antioxidant and anti-inflammatory activities were evaluated in hot-water (HES) and ethanol (EES) extracts of S. macrocarpum. The polyphenol content was higher in the HES (HES: 115.9 +/- 15.3 mg GA/g, EES: 3.9 +/- 0.5 mg GA/g), and the HES also had ABTS (HES: IC50 1.0 +/- 0.0 mg/mL, EES: IC50 16.09 +/- 0.7 mg/mL) and DPPH (HES: IC50 6.50 +/- 0.3 mg/mL, EES: IC50 35.3 +/- 3.1 mg/mL) radical scavenging capacities as well as FRAP activity (HES: IC50 18.8 +/- 0.4 mg/mL, EES: IC50 n.d.). Compared with the EES at the equivalent concentration range (1.25-20 mu g/mL), the HES exerted a more potent inhibitory activity on LPS-stimulated nitric oxide (10.3-43.1%), IL-6 (15.7-45.0%), and TNF-alpha (14.1-20.8%) in RAW 264.7 macrophage cells in addition to TNF-alpha and IFN-gamma-facilitated IL-6 (10.9-84.1%) and IL-8 (7.7-73.2%) in HaCaT keratinocytes. These results suggested that water-soluble materials might be deeply involved in the antioxidant and anti-inflammatory activity in S. macrocarpum. General composition analysis indicated that the HES contains more carbohydrates and polyphenols than the EES, and the monosaccharide composition analysis suggested that fucose-containing sulfated polysaccharide and beta-glucan might be potent anti-inflammatory candidates in the HES. The present study presents important preliminary results and a valuable strategy for developing novel anti-skin dermatitis candidates using a hot-water extract of S. macrocarpum.
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