7862365907

7862365907



:ACTM Acta Sci. Poi, Medicina Veteriiiaria 7(4) 2008, 13-20

SAFETY AND QUALITY

OF MILK PRODUCTS FROM GOAT’S FARM

IN CZECH REPUBLIC*

Hana Pridalova, Bohunura Janśtova, Michaela Draćkova,

Pavlma Navratilova, LenkaVorlova

Uniyersity of Veterinary and Pharmaceutical Sciences, Brno

Abstract. The composition and selected physical and technological propertłes of raw White-Shorthaired Goat milk and fresh goat cheeses were monitored. Milk and cheeses samples coming from a goat farm which situated in the Czech Republic were collected in the course of the lactation period. Milk composition and properties were monitored in close relationship to the lactation stage, season, nutrition and method of breeding. The following average values have been found: protein content 27.80 ± 2.30 g.l'1, fat con-tent 30.60 ± 3.1 g.l'1, lactose content 45.20 ± 0.40 g.l'1, non-fat solids content 78.40 ± 2.20 g.l"1, titrable acidity 5.54 ± 0.86 °SH, rennetability 93.33 ± 14.76 s, freezing point -0.550 ± 0.004°C and somatic celi count 1875 ± 476.10.103.ml'1. The following average values of fresh goat cheeses were obtained: pH 4.87 + 0.14, titratable acidity 98.09 ± 4.93 °SH, solid 46.83 ± 1.57%, fat in solid 52.74 ± 5.24%, NaCl 2.08 ± 0.54%, aw 0.979 ± 0.007. Ali samples were evaluated as excellent from the senzoric point of viev and their composition corresponded with the composition declarated by producer. Results were use for calibration of the spektrometer FT NIR Nicolet Antaris (Thermo electron Corporation, Madison, USA).

Key words: goat milk, goat cheese, physical and Chemical parameters, milk composition, milk properties

* This project received subsidy from the Ministry of Education, Youth and Sports research project No. MSM6215712402 entitled „Yeterinary aspects of food safety and quality”.

Corresponding author - Adres do korespondencji: Hana Pridalova, Department of Milk Hygiene and Technology, Faculty of Veterinary Hygiene and Ecology, University of Veterinary and Pharmaceutical Sciences, Palackeho 1-3, 612 42, Brno Czech Republic, e-mail: hpridalova@vfu.cz



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