2.3. Colour profile of unripe banana flour
Colour attributes of unripe banana flour was measured with a Hunterlab LabScan XE Spectrophotometer CIELAB and CIELCH colour scale with the parameters L⁄a⁄b⁄ and L⁄C⁄H⁄. L⁄ indicates lightness, 0–100 with 0 representing black and 100 representing white. Coordinate a⁄ corresponds to red (+) and green () while b⁄ corresponds to yellow (+) and blue (). C⁄ coordinate is the chroma (Eq. (1)) and H⁄ coordinate the hue (Eq. (2)) (Wrolstad & Smith, 2010). The L⁄a⁄b⁄ values obtained from samples were used for the determination of whiteness and yellowness