2.5. Total soluble solids (TSS)
Strawberry was homogenized and the obtained juice was filtered. A drop of the juice was placed on Atago Pal-1 pocket refractometer (AtagoCo.Ltd,Tokyo,Japan)andresultsexpressedas % Brix. Refractometer was calibrated with distilled water before measurements (Caner, Aday, & Demir, 2008).