Table 3 Post-hoc comparisons for L*a*b* color coordinates across roast profiles using Tukey’s HSD test.

From: A universal color curve for roasted arabica coffee

 

L*

a*

b*

(I) Profile

(J) Profile

Sig.

Sig.

Sig.

EF

EM

0.001

< 0.001

< 0.001

FS

0.354

0.007

0.108

ME

0.999

0.006

0.954

NR

0.029

0.107

0.003

PR

0.333

0.831

0.058

SS

< 0.001

< 0.001

< 0.001

EM

FS

< 0.001

< 0.001

< 0.001

ME

0.003

< 0.001

< 0.001

NR

< 0.001

< 0.001

< 0.001

PR

0.074

< 0.001

< 0.001

SS

< 0.001

< 0.001

0.034

FS

ME

0.190

1.000

0.451

NR

0.728

0.746

0.504

PR

0.008

< 0.001

< 0.001

SS

< 0.001

0.001

< 0.001

ME

NR

0.013

0.678

0.020

PR

0.558

< 0.001

0.010

SS

< 0.001

0.001

< 0.001

NR

PR

< 0.001

0.010

< 0.001

SS

< 0.001

< 0.001

< 0.001

PR

SS

< 0.001

< 0.001

0.098

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