Journal of
Medicinal Plants Research

  • Abbreviation: J. Med. Plants Res.
  • Language: English
  • ISSN: 1996-0875
  • DOI: 10.5897/JMPR
  • Start Year: 2007
  • Published Articles: 3835

Full Length Research Paper

The study on antioxidant activity of ulvan-calcium derivative

Xiaoqian Wang
  • Xiaoqian Wang
  • Weifang Medical University, No. 7166 Baotong Road, Weifang 261053, PR China.
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Yuzhou Wan
  • Yuzhou Wan
  • Weifang Medical University, No. 7166 Baotong Road, Weifang 261053, PR China.
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Lin Liu
  • Lin Liu
  • Weifang Medical University, No. 7166 Baotong Road, Weifang 261053, PR China.
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Haiting Xu
  • Haiting Xu
  • Weifang People’s Hospital, No. 151 Guangwen Road, Kuiwen District, Weifang 261000, PR China.
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Junying Zou
  • Junying Zou
  • Weifang Medical University, No. 7166 Baotong Road, Weifang 261053, PR China.
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Siming Liang
  • Siming Liang
  • Weifang Medical University, No. 7166 Baotong Road, Weifang 261053, PR China.
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Chen Yang
  • Chen Yang
  • Weifang Medical University, No. 7166 Baotong Road, Weifang 261053, PR China.
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Huimin Qi
  • Huimin Qi
  • Weifang Medical University, No. 7166 Baotong Road, Weifang 261053, PR China.
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  •  Received: 11 November 2020
  •  Accepted: 29 December 2020
  •  Published: 31 January 2021

Abstract

Ulvan is a water-soluble polysaccharide that is extracted from the algae Ulva pertusa (Chlorophyta). In this study, ulvan-calcium derivative (U-calcium) was prepared and calcium content was 5.2%. Ulvan-calcium could effectively scavenge on 2,2-diphenyl-1-picrylhydrazyl (DPPH), 2,2’-azino-bis (3-ethyl-benzothiazolie-6-sulfonic acid) (ABTS), hydroxyl, and superoxide radicals. The inhibition rate on superoxide radicals (•O2-) was 83.14% at 0.2 mg/mL, and the scavenging activity of ABTS and hydroxyl radical (•OH) at 3.0 mg/mL was 58.45 and 43.65%, and that of DPPH radicals at 8.0 mg/mL was 57.37%. All results showed that the antioxidant activity of ulvan-calcium was stronger than that of ulvan. The ulvan-calcium maybe used as an antioxidant to remove ROS and resist excessive oxidative stress.

Key words: Ulvan-calcium, Ulva pertusa, antioxidant activity.

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This article is published under the terms of the Creative Commons Attribution License 4.0

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