Journal
JOURNAL OF FUNCTIONAL FOODS
Volume 20, Issue -, Pages 400-410Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jff.2015.11.014
Keywords
Tremella fuciformis; Polysaccharides; Photoaging; Antioxidant activity; Skin protection
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Funding
- Guangdong Province Government (China) through the program of Leading Talent of Guangdong Province (Ruihai Liu)
- Guangzhou Science and Technology Program [2013J4500036]
- Fundamental Research Funds for the Central Universities [2015ZZ110]
- National Natural Science Foundation of Guangdong Province [2014A030313242]
- Science and Technology Program of Guangdong Province [2013B090700008]
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Tremella fuciformis Berk, a popular nutritious mushroom in China, has attracted increasing attention due to its various bioactivities. In the present work, T. fuciformis polysaccharides (TP) were extracted with hot water. It mainly consisted of mannose, as well as 10.77% (w/w) uronic acid. In additional, the anti-photoaging effects of TP were evaluated using a 30-day UV-irradiated animal assay. TP could efficiently reduce the water and collagen losses of the skin, and inhibit the increase of glycosaminoglycans. Moreover, a histopathological study showed that, UV-induced skin structural alterations were alleviated as well as repairing endogenous collagen breakdown and maintaining the ratio of type I/III collagen, after oral treatment of TP. The activities of SOD, GSH-Px and CAT were increased compared to the irradiated control group without treatment. Accordingly, TP can be used as a potential functional food supplement for skin function protection. (C) 2015 Elsevier Ltd. All rights reserved.
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