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논문 기본 정보

자료유형
학술저널
저자정보
Sungjin Jung (Kangwon National University) Dasom Kim (Kangwon National University) Gunyoung Lee (National Institute of Food and Drug Safety Evaluation) Sang Soon Yun (National Institute of Food and Drug Safety Evaluation) Ho Soo Lim (National Institute of Food and Drug Safety Evaluation) Young Rim Jung (Seoul Pharma Laboratories) Hekap Kim (Kangwon National University)
저널정보
한국식품과학회 한국식품과학회지 한국식품과학회지 제49권 제6호
발행연도
2017.12
수록면
591 - 598 (8page)

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초록· 키워드

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This study aimed to evaluate the measurement uncertainty for the quantitative determination of chlorite and chlorate in ready-to-eat fresh-cut vegetables using ion chromatography with a hydroxide-selective column. One gram of the homogenized sample in deionized water was sonicated and centrifuged at 8,500 rpm. The supernatant was purified by passing it through a Sep-Pak tC18 cartridge, followed by chromatographic determination using a Dionex IonPac AS27 column. The linearity of the calibration curves, recovery, repeatability, and reproducibility of the method were satisfactory. The method detection limit was estimated to be approximately 0.5 mg/kg. Each uncertainty component was evaluated separately, and the combined and expanded uncertainty values were calculated at the 95% confidence level. The measured concentrations for 3 mg/kg of chlorite and chlorate standard materials were 3.18±0.32 and 3.10±0.42 mg/kg, respectively. These results confirmed the reliability of the developed method for measuring the two chlorine-based oxyanions in freshcut vegetables.

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Abstract
Introduction
Materials and Methods
Results and Discussion
Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2018-594-001541031