作者
Martı́n N Buffa, Antonio J Trujillo, Marta Pavia, Buenaventura Guamis
发表日期
2001/1/1
期刊
International Dairy Journal
卷号
11
期号
11-12
页码范围
927-934
出版商
Elsevier
简介
Goats’ milk cheeses were made from raw (RA), pasteurized (PA; 72°C, 15s) or pressure-treated (PR; 500MPa, 15min, 20°C) milk to compare textural, microstructural, and colour characteristics in relation to ripening time. Texture, microstructure and colour were evaluated by uniaxial compression and stress relaxation tests, confocal laser scanning microscopy and Hunter colorimetry, respectively. Raw and PR cheeses were firmer and less fracturable than PA cheese, but differences became less notable toward the end of ripening. PA and PR cheeses were less cohesive than RA cheese. Although cheeses exhibited a loss of elastic characteristics with ageing, PR cheese showed the most elastic behaviour initially. Confocal laser scanning micrographs displayed PR cheese with a regular and compact protein matrix, with small and uniform fat globules resembling the structure of RA cheese. Finally, colour evaluation …
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