ArticleFood science & nutrition2025
The Iodine Bioavailability and Its Metabolic Response for Kombu and Potassium Iodide Intake in Chinese Adults.
Article in Food science & nutrition, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- The Iodine Bioavailability and Its Metabolic Response for Kombu and Potassium Iodide Intake in Chinese Adults.Food science & nutrition · 2025Article
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9 authors.
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Abstract
The consumption of kombu plays an important role in the traditional dietary habits of East-Asian countries. However, data on the metabolic profile of kombu-derived iodine remain limited. Totally, 20 Chinese participants (age 19.6 ± 2.7 years) were recruited and allocated to two parallel intervention groups. One consisted of a meal with kombu supplement (providing 993 and 1735 μg iodine), and the other of potassium iodide (KI, containing 547 and 1263 μg iodine) at the two interventions. The iodine bioavailability was assessed based on the 0-24 h urine samples, and the metabolic response was characterized by urinary iodine excretion velocity (UIEV) at 18 time points during the following 48 h. Iodine speciation in kombu was determined by liquid chromatography and inductively coupled plasma mass spectrometry (LC-ICPMS). 18 Chinese participants finally completed this study and two participants dropped out. The 0-24 h urinary iodine concentration (UIC) was consistently lower in the kombu group compared to the KI group (95 μg/L vs. 113 μg/L,
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