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Table 2 The combination index (CI) for combined ginger and Gelam honey on HT29 cell line

From: Combined ginger extract & Gelam honey modulate Ras/ERK and PI3K/AKT pathway genes in colon cancer HT29 cells

Ginger (mg/ml)

IC 50 Gelam honey (mg/ml)

Combination Index (CI)

2

67

1.21

3

27

0.92

4

10

0.90

  1. Combination index, CI was determined according to Chou and Talalay [30] as explained in the Methods section. Additivity, CI = 1; antagonism, CI = >1; synergism, CI = <1.