The coupling of reverse osmosis and osmotic evaporation processes
showed to be a potential alternative to the concentration
of camu–camu juice, resulting in a final product with 566 g kg1
of solid content. Vitamin C was the compound that was most affected
by the process conditions, due to its high sensitivity and
instability. Phenolics were well preserved, with only 6% of losses
along both processes. The juice concentrated by reverse osmosis
and osmotic evaporation had vitamin C and total phenolic concentrations
of 94.6 g kg1 and 105.2 g kg1, respectively, showing to
be a good source of bioactive compounds, which can be directly
consumed or used in the formulation of other food products. However,
an economic analysis is necessary in order to evaluate the
viability of this process in an industrial scale.
The coupling of reverse osmosis and osmotic evaporation processes
showed to be a potential alternative to the concentration
of camu–camu juice, resulting in a final product with 566 g kg1
of solid content. Vitamin C was the compound that was most affected
by the process conditions, due to its high sensitivity and
instability. Phenolics were well preserved, with only 6% of losses
along both processes. The juice concentrated by reverse osmosis
and osmotic evaporation had vitamin C and total phenolic concentrations
of 94.6 g kg1 and 105.2 g kg1, respectively, showing to
be a good source of bioactive compounds, which can be directly
consumed or used in the formulation of other food products. However,
an economic analysis is necessary in order to evaluate the
viability of this process in an industrial scale.
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