Abstract
Iodine concentration in raw sheep milk from Slovak farms - preliminary results
Highlights
Iodine is a trace element necessary for the function of the thyroid gland and thyroid hormones production (Walther et al, 2018; Mikláš et al, 2021)
The mean iodine concentration in the collected samples was 121.4 ±24.4 μg l-1 and the median value was 89.6 μg l-1. These results are comparable with the study of Paulíková et al (2008), who examined samples of raw sheep milk in Slovakia, and found the average milk iodine concentration in their studied samples was 186.7 μg l-1
Data in our study showed a significant effect of farms on iodine concentration in sheep milk (P
Summary
Iodine is a trace element necessary for the function of the thyroid gland and thyroid hormones production (Walther et al, 2018; Mikláš et al, 2021). Iodine is essential for humans as well as for animals (Flachowsky et al, 2014). In this respect, milk iodine concentration is a valuable indicator of iodine intake in dairy animals (Trávníček and Kursa, 2001), as for instance 30–40% of iodine intake in feeds is transferred into cows’ milk (Flachowsky et al, 2007). Grace et al (2001) observed that sheep in similar feeding conditions, produce milk with higher iodine concentration compared to dairy cows. Milk iodine concentration above 100 μg l-1 might indicate sufficient intake in feeds (Schöne and Rajendram 2009). Milk might be considered as an important source of iodine in human nutrition (van der Reijden et al, 2019; Mikláš et al, 2021)
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