It’s not a good idea to mix sugary drinks with protein rich foods
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A lot of people grab fast food consisting of a hamburger and sugary soft drink for a quick lunch or dinner. Research shows that sugary soft drinks and meals rich in protein don’t mix well together.
MedicalXpress reports on why it is not healthy to mix sugary drinks with meals which are rich in protein. Researchers say this combination may have a negative affect on energy balance. Food preferences may also be changed and the body may store more fat as a result of this mixture.
The researchers found that about 33 percent of the added calories provided by sugary drinks were not used up, metabolism of fat was lowered and it required less energy to metabolize the meals according to Dr Shanon Casperson, who was the lead author of the study. It appears the decrease in metabolic efficiency may lead the body to store extra fat.
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There was decreased fat oxidation of 8 percent after a meal when a sugar sweetened drink was included. Fat oxidation sets off the breakdown of fat molecules. When a sugary drink was consumed with a meal made up of 15 percent protein, fat oxidation was lowered by an average of 7.2g. When the sugary drink was consumed with a 30 percent protein meal, there was an average decrease in fat oxidation of 12.6g.
Dr. Casperson commented that her research team was surprised by the impact which the sugary drinks had on metabolism when they were consumed with meals higher in protein. There was also an increased desire to eat foods which are savory and salty for four hours after consumption of this combination.
This study has been published by BMC Nutrition. The researchers have concluded food preferences, appetite sensations, energy expenditure and oxidation of substrate are all significantly changed in response to alterations in meal macronutrient composition which occur due to modifications in the protein content of a meal and consumption of a sugary drink. The decrease of energy efficiency and fat oxidation is significant when a combination of a sugary drink and a protein rich meal is consumed.
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