No significant differences were found in the pH values,
but there were significant differences (P10.05) for
titratable acidity and soluble solids (Table 2). The acidity,
expressed as grams of citric acid per 100 g fresh
weight, was higher in the Red Spanish cv. while the solub!
e solids was 2.2”B higher in the other cultivar. The
soluble solids to acid ratios were 8.83 (cv. Red Spanish)
and 13.4 (cv. Smooth Cayenne). In both cultivars the
pH value was close to that reported by Singleton and
Gortner (1965). The acidity and soluble solids values
found for the cv. Smooth Cayenne fell within the range
reported by Dull (1971) and Cano et al. (1994). The
selected parameters to predict eating quality in pineap
ples were: % total soluble solids (TSS), titratable acidity,
TSS/acid (also known as the Brix/acid ratio), pH, colour
and translucency (Smith, 19886). Flesh TSS was the
only parameter found suitable as a year-round index of
pineapple eating quality.