Nuestra meta es promover la inocuidad alimentaria, instando a autoridades, productores y consumidores a aportar en la consecución de este objetivo.
Our goal is to promote food safety, pushing authorities, producers and consumers to increase their efforts to accomplish this objective.
jueves, 8 de octubre de 2015
Fear of the egg
The Australian problem with salmonella and the
research to immunize eggs
Despite the fact that more than 4 million Australians
become ill each year from eating contaminated food, the national rate of
disease from this cause has decreased in recent years, except when talking
A report by the
Victoria's department of health shows that since 2012 has been a 65% increase
of Salmonella cases, where only in
the last 12 months about 2500 cases have occurred. Particular concern is the
Queensland situation, where the Salmonella
cases doubled compared to the previous year, representing the 75% of all cases
in Australia this year.
infection can be caused by multiple sources but in the Australian case the egg
appears to be the main cause.
According to Peter Collignon, from the Australian
National University, 75% of Salmonella
cases in Australia were result of handling or eating raw eggs. In fact, in
recent years, Australia has been hit by several outbreaks of Salmonella caused by egg, some of them
serious cases of massive infection.
Despite the modernization of food production
processes, the Australian high sanitary standards and the government efforts to
inform the population the risks of consuming raw eggs, nothing seem to be not
enough to avoid Salmonella infection.
So, what can we do? The answer to this problem could come from the other side
of the ocean.
In Chile, a group ofresearchers from theSchoolof Medical Technologyand VeterinaryMedicineofSanto Tomas Universityin Temuco are working on aprojectaimed at developinga technological systemwhich will providea specific antigento produceeggsfreeof Salmonellaenteritidis.
“What we have
donein this researchis isolateSalmonellaenteritidisin the poultryenvironmentofthe region. WiththeseisolatedSalmonella,we workgeneratingoral dosesfor birds, to know if theinactivatedbacteriawas able to generatean immunityto protectthe egg”, said KarenVillagran,director
of theSchool of MedicalTechnology."We wanted to ensure the eggwas free of Salmonellaoncethe chickensconsumedin food as an inactivatedbacteria," she adds.
In addition, Carlos Cisternas project coordinator
explains the importance of it: “This is a project that aims, in simple terms,
get eggs protected from Salmonella. Once
the birds are immunized, the antibodies are transferred to the egg make them
free from salmonella"
In early 2015, the first results were obtained. Today that information
is being thoroughly analyzed by researchers, but everything indicates the
conclusions will be positive.
This way, despite the Salmonella bacteria in the environment, the egg would be protected
and totally safe to consume
Although the Salmonellaenteritidis is only one of several kinds of Salmonella identified, certainly this research represents a
breakthrough for the food industry and if good results hold up there is the
possibility to replicate it to other types of Salmonella and perhaps in the future Australians can enjoy an egg
without fear of illness.