Milk acetone determination by the photometrical method after microdiffusion and via FT infra-red spectroscopy

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F26788462%3A_____%2F11%3A%230000531" target="_blank" >RIV/26788462:_____/11:#0000531 - isvavai.cz</a>
Alternative codes found
RIV/49608851:_____/11:#0000484
Result on the web
<a href="http://www.zf.jcu.cz/obecne/copy_of_dokumenty/dokumenty-journal-of-agrobiology/2011-number-1/Hanus_imprim_web.pdf" target="_blank" >http://www.zf.jcu.cz/obecne/copy_of_dokumenty/dokumenty-journal-of-agrobiology/2011-number-1/Hanus_imprim_web.pdf</a>
DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Milk acetone determination by the photometrical method after microdiffusion and via FT infra-red spectroscopy
Original language description
Milk acetone (AC) is important indicator of energy metabolism of cows. The goal was to investigate infrared method MIR?FT in terms of its calibration for milk AC and to develop an usable procedure. Microdiffusion photometric (485 nm; Spekol 11) method with salicylaldehyde as reference (Re) and mid infrared spectroscopy FT (MIR?FT: Lactoscope FT?IR, Delta; MilkoScan FT 6000, M?Sc) as indirect method were used. The acetone addition to milk had no recovery using MIR?FT (Delta). The reference AC set has tohave an acceptable statistics for good MIR?FT calibration (M?Sc). It was 10.1 ? 9.74 at geometric mean 7.26 mg.l?1, variation range from 1.98 to 33.66 mg.l?1. AC correlation between Re and MIR?FT (Delta) was low 0.32 (P > 0.05). Log AC relationship between Re and MIR?FT (M?Sc) was markedly better 0.80 (P < 0.01). The conversion of > 10 mg.l?1 as AC subclinical ketosis limit was: > ?0.80 (feedback 0.158 mmol.l?1 = 9.25 mg.l?1) and > ?1.66, important for ketosis monitoring by M?Sc.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
GM - Food industry
OECD FORD branch
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Project
<a href="/en/project/ME09081" target="_blank" >ME09081: Research and technological support of keeping and breeding of cattle with dual yield, milk and beef, in Anhui province</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year
2011
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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