Published on Jul 30, 2020

Cheese Background Images

License Info: Creative Commons 4.0 BY-NC

The fat content in the cheese milk is adjusted to different levels so that cheese of different varieties containing varying levels of fat can be produced. Cheese, when it is fresh has a fat content of up to 12% level. The fat content in the ripened cheeses generally range between 20 and 30%. Consumers generally prefer high fat cheeses due to high fat content and this imparts a better flavour to the cheese. The fat in the dry matter content of cheese should be at least 40-50%, like Cheddar cheese so that there will be sufficient fat in the body which contributes to the typical aroma during cheese ripening by fat breakdown or lipolysis. With increasing consumer awareness about health and ill effects of excess fats, it becomes prudent to go in for “low fat cheese varieties”. However, the low fat cheese varieties should have sufficient fat so that it will be organoleptically acceptable.

One need not bother about the cholesterol content of the cheese as it is rather low varying between 0-100 mg / 100 g depending on the amount of fat present in the cheese. Hence contribution of the cheese towards the cholesterol intake would be very limited to 3-4%. Cholesterol present in the diet plays a limited role to boost the blood cholesterol. The body has its own check to decrease the cholesterol synthesis when ever the dietary cholesterol level exceeds certain limit. The digestibility coefficiency of the fat found in different varieties of cheese varies between 88-94%.


The higher amount of biologically valuable proteins in the cheese adds to its nutritive value. The protein content of different varieties of cheeses generally varies between 20-35%. The protein content varies inversely with the fat content in any type of cheese. A 100 g piece of a soft cheese will meet 30-40% of the daily protein requirement of an adult human being and from 100 g of hard cheese, 40-50% can be met. During the cheese manufacture casein, the major milk protein is incorporated to 95% level in the cheese whereas most of the biologically valuable whey proteins pass into the whey portion. Hence only 75-80% of the total protein is harvested in the cheese. 4-6% of the total protein is formed by whey protein when pasteurized milk is utilized for cheese making.


The biological value of protein obtained from cheese is somewhat less than that of milk since the nutritionally superior whey proteins (containing sulphur containing amino acids) are excluded during cheese making. The PER values for cheddar cheese is 3.7 which is significantly higher than that for casein (2.5). If an index of 100 is given for the essential amino acids present in milk, then the corresponding values for the different cheese varieties varies between 91 and 97. The biological value of protein is least influenced by the enzymes utilized during the preparation of cheese making (like rennet accompanied by acid production) or employed during ripening. The Maillard reaction does not occur in the cheese making and hence all the lysine available in milk is made available in cheese. Some of the ripened cheeses show a higher PER values than that of milk from which it is prepared.

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