183

Maturation is one of the most expensive and most difficult-to-control stages in cheese manufacturing. During this period, proteolysis, lipolysis, and numerous microbial and enzymatic transformations take place simultaneously, building the product’s aroma, texture, and final characteristics. It is precisely this simultaneity that represents one of the major technological challenges: how can you accelerate aroma formation without simultaneously accelerating the processes that may damage the texture?
The answer from modern research is becoming increasingly clear: maturation processes can be modulated, not merely accelerated as a whole.
A very recent example comes from a study published in 2026 in Food Research International**. The researchers used the strain** Lacticaseibacillus paracasei K7 as an adjunct culture in a semi-hard cheese. After 45 days of maturation, the experimental cheese reached a level of proteolysis comparable to that of the control sample matured for 60 days. In other words, the biochemical maturation relevant to protein breakdown was accelerated by approximately 15 days. More importantly, the researchers did not report any loss of quality: the 45-day matured sample obtained an overall sensory score of 43.3 points, compared with 40.7 points for the 60-day matured control.
The difference was not limited to proteolysis. The adjunct strain modified the profile of volatile compounds: diacetyl and acetoin, associated with creamy notes, were detected in the experimental sample, while diacetyl accounted for 31.9% of the total identified ketones. At the same time, the proportion of bitter peptide sequences was reduced. The result is relevant because it demonstrates that accelerating maturation does not necessarily mean simply “more enzymatic activity”, but may involve directing microbial activity toward a specific product profile.
There are other technological approaches as well. A study published in 2025 examined the use of ultrasound together with adjunct cultures in the manufacture of Kaşar cheese. Sonication of Lactobacillus helveticus favored bacterial autolysis, while increased aminopeptidase activity intensified peptide degradation and the formation of free amino acids involved in aroma development.
Another approach is high hydrostatic pressure. Research shows that moderate treatments, in the range of 200–400 MPa, can accelerate proteolysis under certain conditions, while higher pressures may have the opposite effect and slow down maturation processes. This demonstrates how important the timing, pressure, and type of cheese are: the same technology does not automatically produce the same result.
In fact, the idea of controlled acceleration is not new. Experiments on Cheddar demonstrated as early as the 1990s that temperature can modify the rate of proteolysis and lipolysis; at 16°C, maturation was accelerated, but the texture deteriorated during prolonged maturation. For commercial applications, 12°C was considered the optimal temperature in that experiment.
The real objective of the new generation of technologies is therefore not an “artificially matured” cheese, but more precisely controlled maturation. If the industry can accelerate the formation of aroma compounds while maintaining the desired structure and texture, reducing storage time could become an important economic advantage.
For the producer, every day gained in maturation potentially means less capital tied up in inventory, faster turnover of maturation facilities, and more flexible production planning. For the consumer, however, the decisive criterion remains the same: the product must retain the sensory profile for which it was purchased.
The future of cheese maturation may therefore not be “faster”, but “smarter”.