Table 2.

Average attributes color of canephora (Robusta) and arabica coffee variety Catúai samples.

Samples	Roasting Profiles
	135 °C/20.20 min	210 °C/9.02 min	220 °C/13.47 min	230 °C/17.43 min	275 °C/7.46 min	210 °C/11.01 min
L* (brightness)
C. canephora	37.26 ± 0.78Aab	36.76 ± 0.38Aab	38.32 ± 1.64Aa	37.96 ± 2.27Aab	34.15 ± 2.92Ab	37.36 ± 2.14Aab
C. arabica	24.25 ± 1.24Bb	24.97 ± 0.37Bb	26.12 ± 0.60Bb	35.28 ± 0.80Ba	31.60 ± 1.75Aa	25.52 ± 1.38Bb
a*(intensity of red vs green)
C. canephora	26.10 ± 0.42Aa	25.66 ± 0.46Aa	26.12 ± 0.83Aa	25.29 ± 0.92Aa	22.50 ± 0.18Ab	25.56 ± 0.82Aa
C. arabica	4.96 ± 0.63Bd	7.99 ± 0.87Bc	11.93 ± 1.71Bb	24.55 ± 0.50Aa	11.38 ± 0.40Bb	12.38 ± 1.60Bb
b* (intensity of yellow vs blue)
C. canephora	23.08 ± 1.05Ab	22.38 ± 0.65Ab	26.56 ± 0.68Aa	26.53 ± 0.65Aa	15.36 ± 0.44Ac	21.56 ± 1.22Ab
C. arabica	0.81 ± 0.27Be	2.18 ± 0.41Bde	4.18 ± 1.02Bcd	19.57 ± 1.36Ba	10.14 ± 0.84Bb	4.49 ± 0.92Bc
h* (hue)
C. canephora	41.48 ± 0.87Ab	41.09 ± 0.32Ab	45.47 ± 1.17Aa	46.38 ± 1.37Aa	41.65 ± 0.63Ac	40.12 ± 1.52Ab
C. arabica	9.11 ± 1.93Bb	15.14 ± 1.21Bc	19.16 ± 1.71Bb	38.52 ± 1.41Ba	34.31 ± 1.34Ba	19.81 ± 1.43Bb
c* (chroma)
C. canephora	34.85 ± 1.81Aabc	34.04 ± 1.00Abc	37.25 ± 0.77Aa	36.66 ± 0.77Aab	27.25 ± 0.72Ad	33.45 ± 0.37Ac
C. arabica	5.02 ± 0.66Bd	8.29 ± 0.94Bc	12.65 ± 1.96Bb	31.41 ± 1.24Ba	15.24 ± 0.86Bb	13.17 ± 1.81Bb

Means followed by the same lowercase letters in the row and uppercase letters in the column do not differ by Tukey's test (p > 0,05).