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

Table 4. The IC50 values of BHT and coffee oils.

Sample IC50
BHT 219.67±10.43a μg/ml
GCO 10.25±0.30b mg/ml
HGCO 15.38±0.72d mg/ml
RCO 11.99±0.51c mg/ml
HRCO 12.86±0.79c mg/ml

IC50 values sharing different superscripts (a-d) are significantly different from each other (one-way ANOVA, p<0.05).