Grana Padano PDO
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Lisozyme & Grana Padano PDO
Lisozyme & Grana Padano PDO
Grana Padano PDO cheese is produced with milk from cows which have been fed on fresh forage, hay, corn silage or preserved fodder.
Grana Padano is produced with raw milk to which rennet, lysozyme and salt are added.
Silage is a traditional technique of fodder conservation typical of many areas of the
(Po River Valley) in Northern Italy, mainly used for whole maize/corn plants which are placed in special trenches where, following proper compression and air free conditions, natural acidification occurs. This fodder technique is part of the Grana Padano production traditions and enjoyed by cows.
In the preparation of preserved foods, hay or silage, a critical aspect is the possible contamination with soil that may contain bacteria such as
. If present in the silage, this bacterium can find favourable conditions for multiplying and passing in to the milk.
The milk produced for fresh milk, even of high quality, or to make soft cheese, comes from cows which are often fed with silage/preserved fodder, but
need time to mature, so they haven’t got the time to develop in fresh milk or soft cheeses.
The milk for the production of Grana Padano PDO cheese is partially skimmed by natural surfacing of the cream and, during this process, most of
are eliminated, but some of these microorganisms may remain in the milk and find the conditions to develop during the long ageing of the cheese and, after a period of time, abnormal fermentations may occur that compromise the cheese and its quality.
To control the negative effects of the Clostridium Tyrobutirricums’ development, lysozyme is added to the milk.
Lysozyme is a naturally occurring protein, extracted from egg white, and is also present in high quantity in breastmilk, in tears and human saliva.
Therefore, lysozyme is often used in the production of various aged cheeses, to control undesirable fermentations and its role is similar to that of a "fermentation process corrector", inhibiting the development of clostridia.
Lysozyme is also used in the production of a few types of wine and beer.
Lysozyme is therefore a completely natural egg white protein, which is extracted with mechanical and not chemical methods.
The reason why it is completely safe to eat Grana Padano containing lysozyme:
The quantity of lysozyme used is 25 g for 1000 litres of milk (265 US Gallons). Thus, the cheese absorbs a minimal, very low, quantity of lysozyme.
Recent research into the alleged allergy possibility to the Grana Padano PDO lysozyme content, has shown that allergic reactions due to the presence of lysozyme in Grana Padano PDO are extremely rare in subjects with an egg allergy (20160211 DOC INFO allergenicity), although not excluded a priori.
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CHEESE WHEELS PRODUCED IN 2018
CHEESE WHEELS EXPORTED IN 2018
TOTAL OPERATORS IN THE PACKAGING, MATURING SECTOR
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Ufficio e numero di iscrizione al registro imprese: CCIAA Brescia: R.E.A. 390431
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