Free access article

Lait 75 (1995) 611-616
DOI: 10.1051/lait:1995647

Preparation of spray dried low heat powder from mare's milk. Evolution on storage

P. Schuck and A. Pierre

Laboratoire de recherches de technologie laitière, INRA, 65, rue de Saint-Brieuc, 35042 Rennes cedex, France

(Received 8 February 1995; accepted 22 May 1995)

Abstract - A high quality milk powder was obtained by spray drying after concentration ot mare's milk by vacuum evaporation. Few alterations of milk constituents were noted. Physical characteristics were high: solubility index > 99.5%; dispersibility index > 97.0%; wettability index < 5 s. Bacterial count at 30°C was as low as 400 cfu / g. Despite the high hygroscopicity, these properties were not altered during a 3-month storage at ambient temperature.

Résumé - Préparation de poudre de lait de jument et qualité de conservation
Le séchage par atomisation d'un concentré de lait de jument obtenu par évaporation sous vide permet l'obtention d'une poudre d'excellente qualité chimique (absence d'altérations des constituants du lait ; norme low heat), physique (indice de solubilité > 99,5% ; indice de dispersibilité > 97,0% et indice de mouillabilité < 5 s) et microbiologique (flore bactérienne mésophile : 400 ufc / g). Le stockage de cette poudre pendant trois mois n'a pas altéré ses propriétés, malgré sa forte hygroscopicité.

Key words: mare's milk / low heat powder / storage

Mots clés : lait de jument / poudre low heat / conservation

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