An expert coffee researcher, Dr. Gordon Troup, has revealed the secret to brew the perfect cup of coffee. The 38-year-old physicist from Melbourne's Monash University had taken up the quest and given his 28 years to study the bean, and to figure what makes the perfect cup of coffee.
Dr. Troup examined the chemical composition of the arabica bean during various stages of the roasting process with help of an electron paramagnetic resonance machine. He found that a third family of free radicals in arabica coffee beans that were unknown till now and had survived the roasting process unlike the other two groups.
AdvertisementDr. Troup, who was world's one of the first scientists to discover and isolate the free radicals in coffee in 1988, said, "The findings provide a full picture and would help in the roasting process."
The study findings are published in Plos One.
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