Electrical conductivity (EC) was measured with conductivity meter, Brix with Abbe refractometer, pH with a digital pH meter, colors using a colorimeter and viscosity of grapefruit juice was measured by using a rotary viscometer (Aadil et al., 2013).
Electrical conductivity(EC) was measured with conductivity meter, Brix with Abberefractometer, pH with a digital pH meter, colors using a colorimeterand viscosity of grapefruit juice was measured by using a rotaryviscometer (Aadil et al., 2013).