Journal of Marine Bioscience and Biotechnology (한국해양바이오학회지)

The Korean Society for Marine Biotechnology (한국해양바이오학회)
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A study on the use of FT-NIR spectophotometer for dried laver quality evaluation

마른김 품질 평가를 위한 FT-NIR 분광기 활용 연구

  • 이경인 (목포수산식품수출센터 품질관리인증팀) ;
  • 이근직 (목포수산식품수출센터) ;
  • 윤영승 (목포과학대학교 해양수산식품융합과)
  • Received : 2022.10.12
  • Accepted : 2022.11.23
  • Published : 2022.12.30
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Abstract

The micro-Kjeldahl method, a common technique for analyzing crude proteins, is time-consuming and dangerous due to the employment of reagents such as sulfuric acid and sodium hydroxide. However, a Fourier transform near-infrared (FT-NIR) spectrophotometer analysis can be completed in under a minute after simple pre-processing if data has been gathered using sufficient reference material in advance. Furthermore, the use of safe reagents in this technique ensures the safety of the experimenter and the environment. In addition, a portable FT-NIR spectrophotometer enables real-time measurement at processing or distribution sites and has recently gained popularity. The standard errors of calibration and regression (r2) for the calibration result for estimating the crude protein content of dried laver were 0.9775 and 1.2526, respectively. The standard error of prediction was 1.1814, and the r2 was 0.9303 in the validation results, which was a good level. In the present study, a method for predicting the crude protein content of dried laver using an FT-NIR spectrophotometer in the range of 29%-40% crude protein content has been reported.

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References

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