Cytotoxicity, Intestinal Transport, and Bioavailability of Dispersible Iron and Zinc Supplements

Frontiers in Microbiology
Hyeon-Jin KimSoo-Jin Choi

Abstract

Iron or zinc deficiency is one of the most important nutritional disorders which causes health problem. However, food fortification with minerals often induces unacceptable organoleptic changes during preparation process and storage, has low bioavailability and solubility, and is expensive. Nanotechnology surface modification to obtain novel characteristics can be a useful tool to overcome these problems. In this study, the efficacy and potential toxicity of dispersible Fe or Zn supplement coated in dextrin and glycerides (SunActive Fe(TM) and SunActive Zn(TM)) were evaluated in terms of cytotoxicity, intestinal transport, and bioavailability, as compared with each counterpart without coating, ferric pyrophosphate (FePP) and zinc oxide (ZnO) nanoparticles (NPs), respectively. The results demonstrate that the cytotoxicity of FePP was not significantly affected by surface modification (SunActive Fe(TM)), while SunActive Zn(TM) was more cytotoxic than ZnO-NPs. Cellular uptake and intestinal transport efficiency of SunActive Fe(TM) were significantly higher than those of its counterpart material, which was in good agreement with enhanced oral absorption efficacy after a single-dose oral administration to rats. These results seem to...Continue Reading

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Citations

Jul 10, 2021·Regulatory Toxicology and Pharmacology : RTP·Jeong-Hyun LimJong-Choon Kim

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Methods Mentioned

BETA
X-ray
dynamic light scattering
scraping

Software Mentioned

Kinetica
SAS

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