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New Findings from Y. Zheng and Co-Researchers in the Area of Antioxidants Described (Optimization of ultrasonic-assisted extraction and in vitro...

September 9, 2014



New Findings from Y. Zheng and Co-Researchers in the Area of Antioxidants Described (Optimization of ultrasonic-assisted extraction and in vitro antioxidant activities of polysaccharides from Trametes orientalis)

By a News Reporter-Staff News Editor at Life Science Weekly -- Fresh data on Antioxidants are presented in a new report. According to news reporting from Xuzhou, People's Republic of China, by NewsRx journalists, research stated, "A Box-Behnken design was employed to optimize ultrasonic-assisted extraction of Trametes orientalis polysaccharides (TOP). The crude polysaccharides were purified by DEAE cellulose-52 chromatography, giving a main fraction named as PTOP."

The news correspondents obtained a quote from the research, "The antioxidant properties of PTOP were evaluated by different in vitro antioxidant assays, such as 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activities, reducing power, superoxide radical scavenging activities, and chelating ability of ferrous ions. The results showed that optimal extraction parameters were as follows: ratio of water to raw material 30.6 mL/g, ultrasonic power 109.8 W, extraction temperature 40.2 degrees C, and extraction time 42.2 min. Under these conditions, the experimental yield of polysaccharides was 7.49 +/- 0.14%, which agreed closely with the predicted value (7.47%)."

According to the news reporters, the research concluded: "Furthermore, PTOP exhibited antioxidant capacity in a concentration-dependent manner in all assays."

For more information on this research see: Optimization of ultrasonic-assisted extraction and in vitro antioxidant activities of polysaccharides from Trametes orientalis. Carbohydrate Polymers, 2014;111():315-323. Carbohydrate Polymers can be contacted at: Elsevier Sci Ltd, The Boulevard, Langford Lane, Kidlington, Oxford OX5 1GB, Oxon, England. (Elsevier - www.elsevier.com; Carbohydrate Polymers - www.elsevier.com/wps/product/cws_home/405871)

Our news journalists report that additional information may be obtained by contacting Y. Zheng, Jiangsu Key Construct Lab Food Resource Dev & Qua, Xuzhou 221000, People's Republic of China. Additional authors for this research include Y. Li and W.D. Wang (see also Antioxidants).

Keywords for this news article include: Xuzhou, People's Republic of China, Asia, Antioxidants, Protective Agents

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC


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Source: Life Science Weekly


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