. 2015 Sep 14;10(9):e0138080. doi: 10.1371/journal.pone.0138080

Table 3. The absorbance ratios RI-IV of coffee oil.

Ratio	GCO	HGCO	RCO	HRCO
RI	0.1076±0.005^a	0.1051±0.003^a	0.1102±0.004^a	0.1169±0.004^b
RII	0.1654±0.007^a	0.1495±0.005^b	0.1654±0.006^a	0.1574±0.005^a
RIII	0.1333±0.008^a	0.1051±0.005^c	0.1235±0.007^a	0.1152±0.006^b
RIV	0.8072±0.031^a	1.0000±0.036^b	0.8924±0.037^a	1.0147±0.051^b

Values within the same row sharing different superscripts (a-c) are significantly different from each other (one-way ANOVA, p<0.05).