Research area

Heat treatment and preserving

Food culture is in a state of constant development and the primary activity has changed from canning to ever more gentle forms of heat treatment and preservation. What today's consumer wants first and foremost is healthy food that is easy to prepare, but nothing must be at the expense of food safety.

On the basis of this trend, we are currently working on developing foods - and typically entire meals and ready to eat foods - with minimal processing. This requires new production technologies, new packing methods and better production hygiene.

Nofima Mat in Stavanger was originally founded as Hermetikkindustriens Laboratorium and was at that time one of the country's first industry institutions specifically intended for research and commissions for the canning industry. So we can say that this part of Nofima has a history of more than 75 years of research into food and that heat treatment has always been a primary activity. We are the only institute in the Nordic countries that maintains competence in canning and other hermetically sealed production.

 

None Photo: Kjell J. Merok
Copyright: Nofima

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Research area within Heat treatment and preserving

Control and safety in heat treatment

Since heat treatment means so much for food safety it is vital that it is correctly calculated, measured and documented.

Food preserving

Preserving is a process or method that delays decomposition and ageing. Even today we still use a number of traditional preservation methods that have been in use for many generations and are now part of Norway's food culture. Salted and dried foods for example represent a sizeable industry in Norway.

Heat treatment

Heat treatment of food doesn't just change its appearance and texture, but can also eliminate micro-organisms and increase shelf life. Nofima Mat is working on optimising heat treatment.

New technologies for faster heat treatment

In many types of heat treatment it is the centre of the raw material that takes the longest to heat up. This means the outer edges receive far too much heat and so lose quality.