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The content of selected vitamins and iodine in mare's milk

Pavlína Navrátilová, Ivana Borkovcová, Lenka Kaniová, Sandra Dluhošová, Hana Zachovalová

. 2019 ; 88 (4) : 473-480.

Language English Country Czech Republic

Persistent link   https://www.medvik.cz/link/bmc22014251

The aim of the study was to contribute to scarce literature data on the content of selected vitamins and iodine in mare's milk. The study focused on the content of selected lipophilic vitamins (A, E), hydrophilic vitamins (B 1, B 2 , B 6 ) and iodine in milk samples obtained from 8 mares during 6 months of lactation. The content of micronutrients was evaluated according to the stage of lactation. Vitamins B 2 and B 6 were determined using ion-pair reversed phase high performance liquid chromatography with fluorescence detection, vitamin B1 by fluorescence detection by reversed-phase liquid chromatography, vitamins A and E by the ultra-high performance liquid chromatography method with ultraviolet and fluorescence detection and iodine by the spectrophotometric method. Mean concentrations of vitamins A (0.06 ± 0.08 mg/l), E (0.083 ± 0.14 mg/l), B 1 (256.24 ± 44.19 μg/l), B 2 (111.40 ± 81.88 μg/l), B 6 (0.30 ± 0.12 mg/l) reached lower values in mare's milk compared to cow's milk. The mean value of iodine in mare's milk reached 44.48 ± 54.45 μg/l. Lactation stage proved to be a significant factor for vitamin B6 and iodine.

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