Screening of Rhodotorula marina of High Superoxide Dismutase Activity

doi:10.3969/j.issn.1673-1689.2012.04.015

Home > Archive>Volume 31, Issue 4, 2012 >433-437. DOI:10.3969/j.issn.1673-1689.2012.04.015

Screening of Rhodotorula marina of High Superoxide Dismutase Activity
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                        10.3969/j.issn.1673-1689.2012.04.015
                    
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To improve the superoxide dismutase activity of Rhodotorula marina,a screen method with paraquat as drug was introduced in this study.Though gradually increasing of paraquat content in medium,a stain with of high superoxide dismutase activity(increased by 35.2%) was screened.Based on this,the effect of different oxidative stress to the growth,superoxide dismutase activity and astaxanthin content was investigated.The results indicated that 0.075 mmol/L paraquat could improve the superoxide dismutase activity by 103.7% when compared with that of the control,(p<0.05).This shows that this method can achieve the purpose of screening strain with high superoxide dismutase activity,and culturing with low concentrations of paraquat can also improve the superoxide dismutase activity of Rhodotorula marina.

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WANG Luo-yang, JI Zheng, HU Zong-ren, WANG Lu-si, WANG Xiao-lan, GUAN Hong-bin. Screening of Rhodotorula marina of High Superoxide Dismutase Activity[J]. Journal of Food Science and Biotechnology,2012,31(4):433-437.

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Online: June 17,2014
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