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ANTIOXIDANT ACTIVITIES OF SILK SERICIN FROM SILKWORM BOMBYX MORI.

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Title: ANTIOXIDANT ACTIVITIES OF SILK SERICIN FROM SILKWORM BOMBYX MORI.
Authors: JIN-BO FAN1, LI-PING WU1, LI-SHUI CHEN1, XUE-YING MAO1, FA-ZHENG REN1 renfazheng@263.net
Source: Journal of Food Biochemistry. Feb2009, Vol. 33 Issue 1, p74-88. 15p. 1 Chart, 5 Graphs.
Subjects: Antioxidants, Sericin, Silkworms, Linoleic acid, Superoxides, Silk production
Abstract: This study was conducted to investigate the free-radical-scavenging activity and antioxidant activity of silk sericin. Silk sericin was prepared from silkworm Bombyx mori and its ability to scavenge hydroxyl, superoxide and 1,1-diphenyl-2-picrylhydrazyl (DPPH) radicals was determined by Electron Spin Resonance (ESR) and ultraviolet spectrophotometry, respectively. The antioxidant activities of the silk sericin, including lipid peroxidation in the linoleic acid system, reducing power and ferrous-ion-chelating ability, were evaluated. The results showed that silk sericin had a strong scavenging capacity for hydroxyl, superoxide and DPPH radicals. The results also showed that silk sericin had potent antioxidative activity on the peroxidation of linoleic acid. The reducing power and ferrous-ion-chelating ability of silk sericin were significant. These results indicated that silk sericin from silkworm B. mori was a natural antioxidant with potent antioxidative activity. PRACTICAL APPLICATIONS Most of silk sericin must be removed during raw silk production at the reeling mill and other stages of silk processing. At present, silk sericin is mostly discarded in silk processing waste water. If silk sericin is recovered and recycled, it can represent a significant economic and social benefit. Silk sericin is a natural macromolecular protein derived from the silkworm Bombyx mori. Silk sericin is useful because of its antioxidant activity. Silk sericin can be cross linked, copolymerized and blended with other macromolecular materials, especially artificial polymers, to produce materials with improved properties. The protein is also used as an improving reagent or a coating material for natural and artificial fibers, fabrics and articles. The materials modified with silk sericin and sericin composites are useful as degradable biomaterials, biomedical materials and functional membranes. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Food Biochemistry is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: ANTIOXIDANT ACTIVITIES OF SILK SERICIN FROM SILKWORM BOMBYX MORI.
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  Data: <searchLink fieldCode="AR" term="%22JIN-BO+FAN%22">JIN-BO FAN</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22LI-PING+WU%22">LI-PING WU</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22LI-SHUI+CHEN%22">LI-SHUI CHEN</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22XUE-YING+MAO%22">XUE-YING MAO</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22FA-ZHENG+REN%22">FA-ZHENG REN</searchLink><relatesTo>1</relatesTo><i> renfazheng@263.net</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Food+Biochemistry%22">Journal of Food Biochemistry</searchLink>. Feb2009, Vol. 33 Issue 1, p74-88. 15p. 1 Chart, 5 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22Antioxidants%22">Antioxidants</searchLink><br /><searchLink fieldCode="DE" term="%22Sericin%22">Sericin</searchLink><br /><searchLink fieldCode="DE" term="%22Silkworms%22">Silkworms</searchLink><br /><searchLink fieldCode="DE" term="%22Linoleic+acid%22">Linoleic acid</searchLink><br /><searchLink fieldCode="DE" term="%22Superoxides%22">Superoxides</searchLink><br /><searchLink fieldCode="DE" term="%22Silk+production%22">Silk production</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: This study was conducted to investigate the free-radical-scavenging activity and antioxidant activity of silk sericin. Silk sericin was prepared from silkworm Bombyx mori and its ability to scavenge hydroxyl, superoxide and 1,1-diphenyl-2-picrylhydrazyl (DPPH) radicals was determined by Electron Spin Resonance (ESR) and ultraviolet spectrophotometry, respectively. The antioxidant activities of the silk sericin, including lipid peroxidation in the linoleic acid system, reducing power and ferrous-ion-chelating ability, were evaluated. The results showed that silk sericin had a strong scavenging capacity for hydroxyl, superoxide and DPPH radicals. The results also showed that silk sericin had potent antioxidative activity on the peroxidation of linoleic acid. The reducing power and ferrous-ion-chelating ability of silk sericin were significant. These results indicated that silk sericin from silkworm B. mori was a natural antioxidant with potent antioxidative activity. PRACTICAL APPLICATIONS Most of silk sericin must be removed during raw silk production at the reeling mill and other stages of silk processing. At present, silk sericin is mostly discarded in silk processing waste water. If silk sericin is recovered and recycled, it can represent a significant economic and social benefit. Silk sericin is a natural macromolecular protein derived from the silkworm Bombyx mori. Silk sericin is useful because of its antioxidant activity. Silk sericin can be cross linked, copolymerized and blended with other macromolecular materials, especially artificial polymers, to produce materials with improved properties. The protein is also used as an improving reagent or a coating material for natural and artificial fibers, fabrics and articles. The materials modified with silk sericin and sericin composites are useful as degradable biomaterials, biomedical materials and functional membranes. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Food Biochemistry is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1111/j.1745-4514.2008.00204.x
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      – Code: eng
        Text: English
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        PageCount: 15
        StartPage: 74
    Subjects:
      – SubjectFull: Antioxidants
        Type: general
      – SubjectFull: Sericin
        Type: general
      – SubjectFull: Silkworms
        Type: general
      – SubjectFull: Linoleic acid
        Type: general
      – SubjectFull: Superoxides
        Type: general
      – SubjectFull: Silk production
        Type: general
    Titles:
      – TitleFull: ANTIOXIDANT ACTIVITIES OF SILK SERICIN FROM SILKWORM BOMBYX MORI.
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            NameFull: JIN-BO FAN
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            NameFull: LI-PING WU
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            NameFull: LI-SHUI CHEN
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            NameFull: XUE-YING MAO
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            NameFull: FA-ZHENG REN
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              Text: Feb2009
              Type: published
              Y: 2009
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              Value: 33
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