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Food Science and Technology

Print version ISSN 0101-2061On-line version ISSN 1678-457X

Abstract

PRATA, L.F. et al. COMPOSITION, NITROGEN FRACTIONS AND PHYSICO-CHEMICAL CHARACTERISTICS OF SAANEN GOAT’S MILK: SOUTHEASTERN REGION, BRAZIL. Ciênc. Tecnol. Aliment. [online]. 1998, vol.18, n.4, pp.428-432. ISSN 1678-457X.  https://doi.org/10.1590/S0101-20611998000400014.

During a year, were collected and analysed 179 samples of milk from three goat’s herds, having between 44 and 56 milking animals, determining their chemical composition, their mainly nitrogen fractions and their physico-chemical properties. The chemical composition was: 3,27% for total nitrogen content, 3,74% for fat, 4,35% for lactose, 0,74% for ashes and 88,49% for water content. Nitrogen fractions were: 2,97% for true protein (TP), 2,43% for casein and 0,84% for serum proteins including 0,30% for non protein nitrogen matter. The values for physico-chemical properties or milk characteristics were: 1,0324 for density at 15ºC, 6,65 for pH at 25ºC, 16,11ºD for acidity, 0,172g% for chloride content, -0,574ºH for freezing point, 11,51% for total solids and 7,77% solids not-fat.

Keywords : Goat’s milk. Saanen; Composition; Nitrogen fractions; Physico-chemical properties.

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