Occurrence and characterization of yeasts isolated from artisanal Fiore Sardo cheese

International Journal of Food Microbiology
M Elisabetta FaddaSofia Cosentino

Abstract

The occurrence of yeast microflora in artisanal Fiore Sardo cheese during ripening was studied. Mean yeast counts ranged from 2.64+/-1 log(10) cfu ml(-1) in milk to 0.65+/-1 log(10) cfu g(-1) in 9 months cheese, with the higher counts observed in 48-h-old cheese. Strains belonging to the prevalent species Debaryomyces hansenii, Kluyveromyces lactis, Geotrichum candidum, Candida zeylanoides and Candida lambica were selected for technological and genotypic characterization. All D. hansenii strains fermented glucose and assimilated lactate, a high percentage assimilated citrate and only a few showed proteolytic and lipolytic activity. All K. lactis strains were able to both assimilate and ferment lactose, to assimilate lactate and to exhibit proteolytic activity on casein. G. candidum assimilated lactate and some strains showed proteolytic and lipolytic activity. C. zeylanoides showed lipolytic activity on tweens and the majority of strains assimilated citrate. C. lambica fermented glucose and assimilated lactate. Considering their diffusion and technological characteristics, an important role for K. lactis and G. candidum in the early stages of the ripening process and for D. hansenii after the first month of ripening can be sugg...Continue Reading

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Citations

Oct 8, 2008·Applied Microbiology and Biotechnology·Victoria HarrisPaul R Grbin
Jan 22, 2010·Journal of Bioenergetics and Biomembranes·Alfredo Cabrera-OreficeSalvador Uribe-Carvajal
Sep 11, 2010·Critical Reviews in Food Science and Nutrition·M GobbettiM De Angelis
Mar 29, 2014·The Journal of Dairy Research·Simona PanelliMaria Feligini
Aug 10, 2012·International Journal of Food Microbiology·G BlaiottaM Aponte
May 5, 2009·International Journal of Food Microbiology·A Capece, P Romano
Apr 23, 2013·Journal of Applied Microbiology·A BinettiV Suárez
Sep 10, 2013·Food Microbiology·N SacristánJ M Castro
Aug 13, 2013·Biochimica Et Biophysica Acta·Alfredo Cabrera-OreficeSalvador Uribe-Carvajal
Feb 3, 2005·Yeast
May 28, 2020·Animals : an Open Access Journal From MDPI·Álvaro Rafael QuintanaRamón Arias
Mar 17, 2020·Journal of Dairy Science·Federica BiolcatiAlessandra Dalmasso
Apr 3, 2020·International Journal of Food Microbiology·Antonietta MaoloniLucia Aquilanti

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