Improved accuracy in measurement of iodine in animal feeds by ICP/MS with alkaline dissolution

Lehner, Andreas F.; Zyskowski, Justin; Johnson, Margaret; Buchweitz, John P.

doi:10.1016/j.anifeedsci.2020.114781

Cited by 5 publications

(3 citation statements)

References 29 publications

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“…Hands-on training workshop results showed that alkaline extraction by TMAH provides higher accuracy and precision for iodine determination in food compared to acid digestion. These results support the finding of Lehner et al [ 31 ] that indicated that iodine recoveries from the alkaline method were significantly higher than those from acid digestion. Consequently, all participating laboratories in this collaborative study used the alkaline extraction method for interlaboratory comparison.…”

Section: Discussionsupporting

confidence: 92%

Collaborative Study for Iodine Monitoring in Mandatory Direct-Iodized Sauce in Thailand

Photi,

Judprasong,

Gowachirapant

et al. 2023

Foods

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Direct iodization in fish sauce, soy sauce, and seasoning sauces plays a crucial role in optimizing the iodine intake of Thailand’s people. However, determining the iodine content to ensure that these sauces meet the standard of Thailand’s Food and Drug Administration (FDA) is challenging. In this study, all local laboratories equipped with inductively coupled plasma–mass spectrometry (ICP-MS) and with experience in iodine analysis by any analytical method were invited to participate in a hands-on training workshop and two rounds of interlaboratory comparison. The aim was to improve laboratory performance and assess the potential for iodine monitoring for mandatory direct-iodized sauces. All target laboratories participated in this study. The hands-on training workshop harmonized the analytical method and increased the capacity of participating laboratories. Most laboratories (7/8) achieved satisfactory performance for six test samples based on interlaboratory comparison. Samples were extracted by tetramethylammonium hydroxide (TMAH), with the presence of 6% 2-propanol, 0.01% triton X-100, internal standard, and iodine determination in direct-iodized sauces by ICP-MS. The reproducibility standard deviation (SL), after the removal of outlier results for iodine content, was 7–22% iodine at a level of 0.03–4.81 mg/L. Moreover, the Thai FDA’s judgment range for official control activities should expand the range of 2–3 mg per 1 L (ppm) by at least 22%.

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Section: Discussionsupporting

confidence: 92%

Collaborative Study for Iodine Monitoring in Mandatory Direct-Iodized Sauce in Thailand

Photi,

Judprasong,

Gowachirapant

et al. 2023

Foods

View full text Add to dashboard Cite

show abstract

“…These functions are associated with the neurological structure, cell development, metabolism into the humanoid body, thyroid connection, and mind processes. , Iodide being a micronutrient is implicated in the function of thyroid hormones, for example, T3 and T4 in the thyroid secretory organ. Iodothyronine deiodinase and the Na/iodide indications are thyroid proteins liable for the proficient consumption of nutritional iodide within animals. , Essential iodine can be used in various applications in analytical chemistry, including the amalgamation of a few organic compounds and in industrial colorants and medication. Figure shows iodine deficiency and its related indications when patients suffer from a life-threatening iodine inequity.…”

Section: Important Analytes Within the Physiological Systemmentioning

confidence: 99%

“…Iodothyronine deiodinase and the Na/iodide indications are thyroid proteins liable for the proficient consumption of nutritional iodide within animals. 42 , 43 Essential iodine can be used in various applications in analytical chemistry, including the amalgamation of a few organic compounds and in industrial colorants and medication. Figure 2 shows iodine deficiency and its related indications when patients suffer from a life-threatening iodine inequity.…”

Section: Important Analytes Within the Physiological Systemmentioning

confidence: 99%

Significance of an Electrochemical Sensor and Nanocomposites: Toward the Electrocatalytic Detection of Neurotransmitters and Their Importance within the Physiological System

et al. 2022

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A prominent neurotransmitter (NT), dopamine (DA), is a chemical messenger that transmits signals between one neuron to the next to pass on a signal to and from the central nervous system (CNS). The imbalanced concentration of DA may cause numerous neurological sicknesses and syndromes, for example, Parkinson's disease (PD) and schizophrenia. There are many types of NTs in the brain, including epinephrine, norepinephrine (NE), serotonin, and glutamate. Electrochemical sensors have offered a creative direction to biomedical analysis and testing. Researches are in progress to improve the performance of sensors and develop new protocols for sensor design. This review article focuses on the area of sensor growth to discover the applicability of polymers and metallic particles and composite materials as tools in electrochemical sensor surface incorporation. Electrochemical sensors have attracted the attention of researchers as they possess high sensitivity, quick reaction rate, good controllability, and instantaneous detection. Efficient complex materials provide considerable benefits for biological detection as they have exclusive chemical and physical properties. Due to distinctive electrocatalytic characteristics, metallic nanoparticles add fascinating traits to materials that depend on the material's morphology and size. Herein, we have collected much information on NTs and their importance within the physiological system. Furthermore, the electrochemical sensors and corresponding techniques (such as voltammetric, amperometry, impedance, and chronoamperometry) and the different types of electrodes' roles in the analysis of NTs are discussed. Furthermore, other methods for detecting NTs include optical and microdialysis methods. Finally, we show the advantages and disadvantages of different techniques and conclude remarks with future perspectives.

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A New Method for the Determination of Phosphorus and Iodine in Phosphate Rock by Ion Chromatography After Continuous Acid Digestion and Distillation

Peng

Zhu

et al. 2022

Chromatographia

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Improved accuracy in measurement of iodine in animal feeds by ICP/MS with alkaline dissolution

Cited by 5 publications

References 29 publications

Collaborative Study for Iodine Monitoring in Mandatory Direct-Iodized Sauce in Thailand

Collaborative Study for Iodine Monitoring in Mandatory Direct-Iodized Sauce in Thailand

Significance of an Electrochemical Sensor and Nanocomposites: Toward the Electrocatalytic Detection of Neurotransmitters and Their Importance within the Physiological System

A New Method for the Determination of Phosphorus and Iodine in Phosphate Rock by Ion Chromatography After Continuous Acid Digestion and Distillation

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