Determination of Phosphorus in Foods by Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES)

서지정보

ㆍ발행기관 : 한국산업식품공학회 ㆍ수록지정보 : 산업식품공학 / 19권 / 2호
ㆍ저자명 : Jinbong Hwang, Hae Won Jang, Bae Namgung, Mira Oh, Soyoung Kim, Dongwon Seo, Se-Na Kim, Youngmin Choi, Jin-Sik Nam, Mi-Ok Yang

목차

Introduction
Materials and Methods
Chemicals and Materials
Dry ash procedure for sample preparation ofphosphorus analysis
Microwave digestion procedure for sample preparationof phosphorus analysis
Molybdenum blue colorimetric method
Inductively coupled plasma optical emission spectrometry(ICP-OES) method
Results and Discussion
Evaluation of method performance by ICP-OES
Comparison of phosphorus determination betweenICP-OES and Molybdenum blue colorimetric method
Application of ICP-OES method for phosphorusdetermination in food samples
Conclusion
Acknowledgements
References

영어 초록

The analytical method for the determination of phosphorus in foods was validated by inductively coupled plasma optical emission spectrometry (ICP-OES) in terms of precision, accuracy, recovery efficiency and linearity. Regression analysis revealed good correlation coefficient, higher than 0.999. Recovery efficiencies of the minerals ranged from 90.36% to 110.63%, and the limit of detection (LOD) and the limit of quantification (LOQ) were 0.0745 mg/ kg and 0.2482 mg/kg, respectively. The value of inter-day and intra-day ranged from 1.43 to 3.23% and from 0.40 to 1.77%. The recovery efficiencies ranged from 97.8 to 110.6%. The method was also compared with Molybdenum blue colorimetric method using certified and statistically significant difference was also not observed in the between two different analytical methods. The ICP-OES method was applied to phosphorus determination in commonly consumed foods. The obtained results suggest that the method verified in the present study may be used as an official analytical method for clear understanding of phosphorus database for national health promotion.

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