Lactose-hydrolyzed milk powder: Physicochemical and technofunctional characterization
2018
Fialho, Tatiana Lopes | Martins, Evandro | Silva, Carolina Rodrigues de Jesus | Stephani, Rodrigo | Tavares, Guilherme Miranda | Silveira, Arlan Caldas Pereira | Perrone, Ítalo Tuler | Schuck, Pierre | de Oliveira, Luiz Fernando Cappa | de Carvalho, Antônio Fernandes
The objective of this work is to demonstrate the effect of operational drying parameters on the physicochemical and techno-functional properties of lactose-hydrolyzed milk powder (LHMP). LHMP showed water content superior to the control regardless of drying conditions, which is a direct result of the difficulties encountered in drying the product. For a lab-scale spray dryer, the LHMP produced at θₐᵢᵣ,ᵢₙ = 145°C and mCM = 1.0 kg · h⁻¹ was the only sample that met all stipulated quality parameters: water content <5% (w/w), aw < 0.20 and luminosity value >93, particle sizes similar to control, and complete rehydration.
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