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Fat can affect brain's perception of
flavour: Study
Monday July 23, 2012 08:48:30 AM, IANS
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London: Fat can
reduce activity in several brain areas responsible for processing
taste, aroma and reward, says the first ever study on the subject.
The research, carried out by the Britain's University of
Nottingham and food major Unilever, provides the food industry
with better understanding of how in the future it might be able to
make healthier, less fatty food products without affecting their
overall taste and enjoyment.
This three-year study investigated how the brains of a group of
participants in their 20s would respond to changes in the fat
content of four different fruit emulsions they tasted while under
an MRI scanner, the journal Chemosensory Perception reports.
All four samples were of the same thickness and sweetness, but one
contained flavour with no fat, while the other three contained fat
with different flavour release properties, according to a
Nottingham statement.
The areas of the participants' brains which are responsible for
the perception of flavour, were significantly more activated when
the non-fatty sample was tested compared to the fatty emulsions
despite having the same flavour perception.
Joanne Hort, associate professor in sensory science at Nottingham
said: "This is the first brain study to assess the effect of fat
on the processing of flavour perception."
Unilever food scientist Johanneke Busch, based in Vlaardingen,
Netherlands, added: "There is more to people's enjoyment of food
than the product's flavour, like its mouthfeel, its texture and
whether it satisfies hunger, so this is a very important building
block for us to better understand how to innovate and manufacture
healthier food products which people want to buy."
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