AIM Development of a nested-PCR single strand conformation polymorphism (SSCP) assay targeting the 16S rRNA genes of the Staphylococcus genus, to monitor staphylococci in cheese. METHODS AND RESULTS New primer sets to specifically amplify 16S rDNA of staphylococci were designed to be used in a nested-PCR SSCP assay. The method was efficient in discriminating the staphylococcal species most fr...

The effect of Jersey milk use solely or at different inclusion rates in Holstein-Friesian milk on Cheddar cheese production was investigated. Cheese was produced every month over a year using nonstandardized milk consisting of 0, 25, 50, 75, and 100% Jersey milk in Holstein-Friesian milk in a 100-L vat. Actual, theoretical, and moisture-adjusted yield increased linearly with percentage of Jerse...

The behaviour of Listeria monocytogenes and Escherichia coli O157:H7 was studied during the manufacture and ripening of two traditional Italian Alps cheeses. Each cheese type was manufactured in a pilot plan from raw cow milk (without the addition of starter cultures) artificially inoculated with L. monocytogenes and E. coli O157:H7 to a final concentration of about 4 log CFU/mL. The pathogens ...

Raw milk acid cheeses are manufactured and consumed in some tropical regions in America, North Africa and in the East Mediterranean countries. For tropical cheeses, little information is available on its microbial safety. This review give some insights of the microbiological safety of some raw milk acid cheeses around the world which are traditionally made at a pH below 4.7 and which contain ot...

Camel is known as “Ship of the Desert”. Camel milk is different from cow milk in its chemical composition but it contains all essential nutrients as cow milk. Indian camels yield 3.5 kg to 10 kg of milk per day. The taste of camel milk depends upon availability of plants for grazing. The water content of camel milk fluctuates from 84 percent to 90 percent. Camel keepers utilize milk either raw,...

“Jben” is an Algerian traditional fresh cheese produced from raw or pasteurized milk of cows, goats and sheep, on a small scale during the period abundance in restricted area North-east -West Algeria. In this study, four Jben-type cheeses were produced: made cow’s subjected to 82 °C/10 sec treatment without heat treatment, its analogue goat’s cheeses. We investigated effects “Heat treatment: pa...

background and objectives: the effect of the different proteins and polysaccharides on the characteristics of low-fat cheese has been a topic of recent study. the release of aromatic compounds from the cheese is affected by the addition of texture improvers. the present study investigated the addition of polysaccharides and proteins on the hardness, microstructure and ester release of low-fat b...

BACKGROUND Contagious mastitis is an important disease in dairy cattle, and the causative agent S. aureus can also impair raw milk cheese quality. In a confined region in eastern Switzerland attitude, knowledge and behaviour towards S. aureus und S. aureus control was assessed in 90 dairy farmers with communal alpine pasturing including raw milk cheese production with the aid of a questionnaire...

This paper describes the results of a 3-year study on the prevalence, enterotoxinogenicity and resistance to antimicrobials of S. aureus isolated on dairy farms with small scale production of raw cow milk cheeses. The samples of raw milk, semi-finished products and the final products as well as swabs were collected between 2011 and 2013 from nine dairy farms in Poland. A total of 244 samples we...

From 2150 isolates from raw milk and milk products, yeast strains were surveyed to produce glucosylceramide from cheese whey. Most of the 54 strains that had accumulated a detectable amount of glucosylceramide were identified as Kluyveromyces lactis var. lactis. The cells of K. lactis var. lactis strain M-11 derived from domestic raw milk accumulated glucosylceramide 2.5-fold higher than K. lac...