Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Analysis by GC of 1-Deoxynojirimycin in Leaves and Teas of Cudrania tricuspidata Bureau

꾸지뽕잎 및 꾸지뽕 잎차에 함유된 1-deoxynojirimycin의 GC 분석

  • Lee, Jin-Shik (Department of Food Service Industry, Uiduk University) ;
  • Lee, Sung-En (Department of Food Service Industry, Uiduk University)
  • Received : 2010.07.26
  • Accepted : 2010.09.17
  • Published : 2010.09.30
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Abstract

1-Deoxynojirimycin(1-DNJ) was hardly detected by general UV detector. Therefore, in this study, we analyzed 1-DNJ, a effective functional material in which was contained the leaves of Cudrania tricuspidata and its tea by gas-chromatography. Synthesized a TMS derivative by attaching trimethylsilyl group to 1-DNJ, analyzed this by GC, and could detect a good peak. The leaves of Cudrania tricuspidata contains $1154.83{\pm}56.67$ ug/g.d.w of 1-DNJ and tea of Cudrania tricuspidata leaves does $8.01{\pm}0.61$ ug/g.d.w. This means the contents of 1-DNJ was nearly identical to each other. The larger size of the leaves had the more contents of 1-DNJ and the middle region of collection was the highest than any other collective regions of leaves.

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References

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