International Journal of Industrial Entomology and Biomaterials

Korean Society of Sericultural Science (한국잠사학회)
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Degumming Characteristics and Color Stability of GoldenSilk Cocoon

  • Kweon, Hae-Yong (Sericultural & Apicultural Materials Division, National Academy of Agricultural Science, RDA) ;
  • Lee, Kwang-Gill (Sericultural & Apicultural Materials Division, National Academy of Agricultural Science, RDA) ;
  • Park, Kwang-Young (Sericultural & Apicultural Materials Division, National Academy of Agricultural Science, RDA) ;
  • Kang, Seok-Woo (Sericultural & Apicultural Materials Division, National Academy of Agricultural Science, RDA) ;
  • Seok, Young-Seek (Gangwon Province Agricultural Product Registered Seed Station)
  • Received : 2011.09.02
  • Accepted : 2012.02.18
  • Published : 2012.03.31
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Abstract

A newly developed silkworm variety, GoldenSilk makes bright yellow cocoon. In this article, the basic characteristics of GoldenSilk cocoon were examined through color analysis, degumming characteristics and UV spectrophotometer. The colorant of GoldenSilk cocoon was not distributed evenly throughout the cocoon layer but existed in the outer layer of the cocoon. The colorant has not good resistance against sunlight. The degumming loss percentage of GoldenSilk cocoon was 29.2%, which is relatively higher than that of the authorized one. UV spectrophotometer showed specific absorption band around 400 to 500 nm, which is the specific yellow colorant of the GoldenSilk cocoon extracted to the degumming solution during the degumming process.

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References

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