The colour stability of jambolan anthocyanins, both natural and
copigmented forms, was studied in the beverage model system at
pH 3 in which the copigment concentration of 1 mg/mL was used
in stability study. The chromaticity parameters (L⁄
, C⁄
, and h
) of
beverage are presented in Table 1. The copigmentation process decreased
the lightness (L⁄
) value and increased the chroma (C⁄
),
indicating that the colour of copigmented anthocyanin in the beverage
model is more intense and saturated than the colour of natural
anthocyanin. The colour of natural anthocyanin in beverage