Quantitative analysis of sodium concentration in condiments, soft drinks, and mineral water by external standard 23Na-qNMR.

IF 1.4 4区 生物学 Q4 BIOCHEMISTRY & MOLECULAR BIOLOGY Bioscience, Biotechnology, and Biochemistry Pub Date : 2024-12-23 DOI:10.1093/bbb/zbae150
Kenji Ogura
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Abstract

Sodium is essential for human health, but excessive intake can lead to hypertension. Accurate sodium labeling in foods is critical due to increasing health awareness. This study investigated the use of 23Na nuclear magnetic resonance spectroscopy (NMR) for sodium quantification in condiments, soft drinks, and mineral water. In this study, external standard quantitative 23Na-NMR was used to measure sodium concentrations. Key steps included sample preparation, 90° pulse width calibration, and linewidth evaluation. The results showed that 23Na-NMR can accurately quantify sodium concentrations over a wide range, with good agreement with ion electrode methods. The results demonstrated that 23Na-NMR is a reliable method for the quantification of sodium in various liquid foods.

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利用外部标准 23Na-qNMR 对调味品、软饮料和矿泉水中的钠浓度进行定量分析。
钠对人体健康至关重要,但摄入过量会导致高血压。由于人们的健康意识不断提高,食品中准确标注钠含量至关重要。本研究调查了使用 23Na 核磁共振光谱(NMR)对调味品、软饮料和矿泉水中的钠进行定量的情况。本研究使用外部标准定量 23Na-NMR 来测量钠浓度。关键步骤包括样品制备、90° 脉宽校准和线宽评估。结果表明,23Na-NMR 可以在很宽的范围内准确定量钠的浓度,与离子电极法有很好的一致性。结果表明,23Na-NMR 是定量检测各种液体食品中钠含量的可靠方法。
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来源期刊
Bioscience, Biotechnology, and Biochemistry
Bioscience, Biotechnology, and Biochemistry 生物-生化与分子生物学
CiteScore
3.50
自引率
0.00%
发文量
183
审稿时长
1 months
期刊介绍: Bioscience, Biotechnology, and Biochemistry publishes high-quality papers providing chemical and biological analyses of vital phenomena exhibited by animals, plants, and microorganisms, the chemical structures and functions of their products, and related matters. The Journal plays a major role in communicating to a global audience outstanding basic and applied research in all fields subsumed by the Japan Society for Bioscience, Biotechnology, and Agrochemistry (JSBBA).
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