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International Journal of Medicinal Mushrooms
Импакт фактор: 1.423 5-летний Импакт фактор: 1.525 SJR: 0.433 SNIP: 0.661 CiteScore™: 1.38

ISSN Печать: 1521-9437
ISSN Онлайн: 1940-4344

Выпуски:
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International Journal of Medicinal Mushrooms

DOI: 10.1615/IntJMedMushrooms.v17.i2.90
pages 179-186

Effect of Carbon Source on Properties and Antioxidant Potential of Exopolysaccharides Produced by Trametes robiniophila (Higher Basidiomycetes)

Huiru Zhang
College of Bioengineering, Henan University of Technology, Zhengzhou, Henan 450001, Poeple's Republic of China
Qiang Li
College of Bioengineering, Henan University of Technology, Zhengzhou, Henan 450001, Poeple's Republic of China
Peixin He
School of Food and Biological Engineering, Zhengzhou University of Light Industry, Zhengzhou, China; Collaborative Innovation Center of Food Production and Safety, Henan Province, Zhengzhou, China
Chunping Xu
College of Food and Biological Engineering, Zhengzhou University of Light Industry, Zhengzhou, Henan, China; Collaborative Innovation Center of Food Production and Safety, Zhengzhou, Henan, China

Краткое описание

The effects of carbon source on properties and antioxidant potential of exopolysaccharides (EPS) produced by Trametes robiniophila were investigated in this study. The results indicated that the EPS production varied with five different carbon sources. The predominant carbohydrate compositions in EPSs identified were glucose and mannose. Then, FT-IR spectral analysis revealed prominent characteristic groups in the EPSs. Furthermore, thermogravimetric analysis (TGA) indicated the EPS with lactose as the carbon source showed different degradation behavior as compared to the other four EPSs, probably due to larger ribose content as one of major monosaccharides in the EPS. The variation also affects the antioxidant activities investigated by using hydroxyl and DPPH radical scavenging assay. Sucrose was the best carbon source from the viewpoint of antioxidant activity due to the relatively high xylose content in the EPS.


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