Samples were classified
in three different categories according to the extractable pH
range: natural cocoa powders (pH 5e6), light alkalized (pH 6e7.2),
medium alkalized (pH 7.2e7.6) and strong alkalized powders
(pH > 7.6) (Miller et al., 2008). According to this classification, from
the 66 samples employed, 11 were natural cocoa, 12 light alkalized,
27 medium alkalized and 16 strong alkalized.