Interspecies and seasonal differences of retinol in dairy ruminant's milk

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F26722861%3A_____%2F15%3A%23KL01" target="_blank" >RIV/26722861:_____/15:#KL01 - isvavai.cz</a>
Alternative codes found
RIV/62156489:43210/15:43907997 RIV/62157124:16270/15:43873561
Result on the web
<a href="http://www.potravinarstvo.com/journal1/index.php/potravinarstvo/article/viewFile/436/pdf/" target="_blank" >http://www.potravinarstvo.com/journal1/index.php/potravinarstvo/article/viewFile/436/pdf/</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.5219/436" target="_blank" >10.5219/436</a>

Result language
angličtina
Original language name
Interspecies and seasonal differences of retinol in dairy ruminant's milk
Original language description
Samples of raw milk were colleceted on different farms in the Czech Republic between 2013 and 2014. Retinol was measured by ultra high performance liquid chromatography with UV detection (325 nm) in isocratic mode after alkaline saponification with methanolic potassium hydroxide solution and liquid-liquid extraction into non polar organic solvent of whole raw milk. To avoid vitamin losses or degradation during the procedure, antioxidants were added to the sample extraction media. Our results indicate significant interspecies differences between bovine and ovine milk and caprine and ovine milk. Concentration of retinol is very similar in bovine and caprine milk 0.96 ±0.11 mg/L, 0.94 ±0.25 mg/L, respectively. The mean concentration in sheep´s milk is 1.75 ±0.24 mg/L. The seasonal variation of retinol in raw bovine milk was detected as high significant, with the highest concentration during winter. These results contribute to the nutrition evaluation of milk in the Czech Republic and indicate, that the sheep´s milk is the best source of retinol among the milks of ruminants kept in the Czech Republic, however it is not used in its fluid form for human consumption.
Czech name
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Czech description
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Type
J<sub>SC</sub> - Article in a specialist periodical, which is included in the SCOPUS database
CEP classification
—
OECD FORD branch
21101 - Food and beverages

Project
<a href="/en/project/QJ1230044" target="_blank" >QJ1230044: Determination of parameters for legislative assessing of the quality and safety of raw milk from cows, sheep and goats</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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