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Aroma compounds in yoghurt (CROSBI ID 477665)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Hruškar, Mirjana ; Ritz, Milana ; Vahčić, Nada ; Aroma compounds in yoghurt // Czech Journal of Food Sciences, Special Issue / Velišek, J. ; Braunova, M. (ur.). Prag: Institute of Agricultural and Food Information, 2000. str. 228-230-x

Podaci o odgovornosti

Hruškar, Mirjana ; Ritz, Milana ; Vahčić, Nada ;

engleski

Aroma compounds in yoghurt

Acetaldehyde, diacetyl and ethanol are compounds that are critical to the aroma and flavour of fermented milk products. In this work twelve commercial brands of plain yogurt were stored within 10 days on two different temperature levels and every two or three days changes in acetaldehyde, diacetyl and ethanol were established. At the same time sensory evaluation was carried out too. The aim of the study was to investigate the relationship between sensory evaluation and acetaldehyde, diacetyl and ethanol, in the term of linear regression. Expert panel ˘s ratings were regressed against concentrations of aroma compounds for both temperature levels and linear relationship among them were determined. Consequently very accurately predicting equations were obtained using regression analysis. Coefficients of correlation were generally high (from -0,8164 to -0,9990). The most pronounced relationship expressed as correlation coefficients between expert panel ˘s ratings and contentrations of each individual compounds was observed with ethanol (r = -0,9990 ) in yogurt sample stored at +4 0C. The least linear correlation coefficient have been obtained between expert panel ˘s ratings and diacetyl (r = -0,8164) in sample stored at +20 0C.

yoghurt; acetaldehyde

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Podaci o prilogu

228-230-x.

2000.

objavljeno

Podaci o matičnoj publikaciji

Czech Journal of Food Sciences, Special Issue

Velišek, J. ; Braunova, M.

Prag: Institute of Agricultural and Food Information

Podaci o skupu

Chemical Reactions in Foods IV

poster

20.09.2000-22.09.2000

Prag, Češka Republika

Povezanost rada

nije evidentirano