Market trends and business perspectives

February 23, 2022 by David Edwards Leave a Comment

A scientist at the University of Copenhagen has invented what could be described as a “cheese-tasting robot”, describing it as “the world’s very first cheese robot”. 

The robotic system is currently operational and helping a multinational Danish dairy products company – Arla – with the quality control of its cheeses.

According to the University of Copenhagen researcher behind the invention, the robot can save dairy companies time and money, while contributing to more sustainable production in the long term.

At a dairy in Taulov, Denmark, owned by multinational dairy products company Arla, apron-clad dairy workers have been joined by a shiny silver and red-eyed colleague – a robot that helps them produce delicious Danish Havarti, Danbo and Maribo cheeses.

The robot illuminates the cheeses with near-infrared light through two thin metal tubes that are inserted directly into the soft curd. The light emits back wavelengths that are then stored as data about the cheese on a computer.

Klavs Martin Sørensen, an associate professor at the University of Copenhagen’s Department of Food Science, says: “Analyzing the light allows us to map the chemical fingerprints of a cheese – including its fat, protein and carbohydrate content, among other things. In doing so, we can always see whether cheeses meet the dairy’s quality standards vis-à-vis safety, texture and taste.”

Sørensen developed the robot with Arla, the Danish Ministry of Environment and the Danish Dairy Research Foundation to ensure top-notch quality and taste for cheeses.

Sørensen says: “The robot is unique because it monitors each cheese at a very early stage in the process. It can notify a dairy within seconds if something is off, and how, for example, the dairy should adjust a cheese’s recipe for it to be perfected again.

“We have never been able to monitor this before. So, the robot is the first of its kind and presents a completely new way of working with digital food production.”

Interrupting failures, before it’s too late

Until now, quality control in cheese making has been based on individual samples taken from an entire batch of cheeses, together with the fine noses of dairy workers and their sense of what the consistency of a cheese ought to be.

The cheese robot will allow for dairies to retrieve information continuously about the condition and quality of their cheeses, which can save them both time and money.

Sørensen says: “Dairies are excited about the robot because it provides a partner that can help them nip errors in the bud instead of at the end of the process, as is the case now.

“They are also happy about the amount of data collected by the robot, all of which can used to improve cheese production. The robot can never replace dairy workers, but it will be an indispensable tool for them.”

In addition to the fact that the robot can help ensure cheese quality, it can also be used to investigate various sustainable production methods.

Sørensen says: “We will soon begin testing whether less water can be used or whether it is possible to recycle some of the water from previous cheeses in production. Here, the robot can help us determine how much water we can save without compromising quality and taste.”

He adds that, in principle, the robot could also be deployed to test other foodstuffs, including meats, fruit or bread.

So far, the robot has only been tested at Taulov Mejeri for three months. But Sørensen bets that it will be ready to be rolled out at several dairies in roughly a year, noting that inquiries from interested companies have already rolled in.

Filed Under: Agriculture, Features Tagged With: cheese, cheeses, dairy, production, quality, robot, sørensen

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