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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.