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Sardinian fermented sheep sausage: microbial biodiversity resource for quality improvement

Mangia, Nicoletta Pasqualina and Murgia, Marco Ambrogio and Garau, Giovanni and Merella, Roberto and Deiana, Pietrino (2006) Sardinian fermented sheep sausage: microbial biodiversity resource for quality improvement. Options méditerranéennes. Série A: Séminaires méditerranéens, Vol. 78 , p. 273-277. ISSN 1016-121X. Article.

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Abstract

With the aim of improving the quality and the value of the Sardinian sheep sausage, the microflora involved in fermentation and ripening processes of this traditional foodstuff has been studied and characterized. During the fermentation phase a prominent presence of micrococci and staphylococci has been observed. The lactic acid bacteria (LAB) that were showing a slow growth rate during the first days were found as the prevalent microflora during the ripening. The presence of coliforms was observed especially during the early fermentation phase. Salmonella and Listeria spp. were never detected. Bacterial species identified were Lactobacillus plantarum, Staphylococcus xylosus, Staphylococcus lentus, Kocuria varians, Micrococcus spp. while yeast strains belonged to Trichosporon spp. Debaryomyces hansenii and Candida famata. The technological selection of autochthonous LAB and staphylococci, which is actually ongoing, will be crucial for the development of starter cultures suitable for the quality improvement of this typical Mediterranean foodstuff.

Item Type:Article
ID Code:3768
Status:Published
Refereed:Yes
Uncontrolled Keywords:Sheep sausage, traditional technology, autochthonous microflora, quality
Subjects:Area 07 - Scienze agrarie e veterinarie > AGR/16 Microbiologia agraria
Divisions:001 Università di Sassari > 01 Dipartimenti > Scienze ambientali agrarie e biotecnologie agro-alimentari
Publisher:CIHEAM-IAMZ / CITA
ISSN:1016-121X
Additional Information:Paper presented at "Mediterranean livestock production: uncertainties and opportunities": 2. Seminar of the Scientific-Professional Network on Mediterranean Livestock Farming (RME), Zaragoza, Spain, 18-20 May 2006.
Deposited On:23 Apr 2010 19:19

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