sample was transferred on a glassy flat without dilution and
covered by a cover slip and micrographs were obtained.
Viscosity measurement Viscosity measurement was performed
by using viscometer (Visco 88, Bohlin Ltd., UK) at
23 °C. Apparent viscosity was measured at 50 s
-1
Color measurement Image processing was used to perform
color measurement. Photographs (Jpeg format) in RGB
color space system were taken by camera (Canon, power
shot A520) connected with computer using Zoom Browser
EX 5.0 software. Then photographs were converted into L ,
a , b color space system using Image J1.40 g software (NIH
Co. United States).
Sensory evaluation Sensory evaluation was performed in
formulation laboratory conducted on different samples to identify
sensory characteristics of mayonnaises. Seven attributes, all
of which were defined for 10 panelists to be familiar with them,
were scored: non-textural attributes such as color and taste, and
textural attributes such as thickness, spoonability, body and
creaminess and also appearance and acceptability. The test
shear rate.