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Table 5 Effective concentration and time interval on the percentage cell death

From: Phytomedical assessment of two Cymbopogon species found in Nkonkobe Municipality: toxicological effect on human Chang liver cell line

Cymbopogon validis Cymbopogon plurinodis
  Probit Log (dose)a   Probit Log (dose)a
Percentile 24 h 48 h 72 h 24 h 48 h 72 h Percentile 24 h 48 h 72 h 24 h 48 h 72 h
5 2.89 2.89 2.89 0.62 ± 0.03 0.67 ± 0.01 0.99 ± 0.01 5 2.11 2.11 2.11 0.74 ± 0.03 0.60 ± 0.01 0.18 ± 0.01
25 3.67 3.67 3.67 0.76 ± 0.03 0.91 ± 0.02 1.67 ± 0.01 25 3.18 3.18 3.18 0.86 ± 0.03 0.77 ± 0.02 1.80 ± 0.01
50 4.88 4.88 4.88 0.85 ± 0.02 1.88 ± 0.01 2.09 ± 0.00 50 4.01 4.01 4.01 0.18 ± 0.02 1.69 ± 0.01 2.11 ± 0.00
75 5.13 5.13 5.13 2.05 ± 0.01 2.35 ± 0.00 2.77 ± 0.01 75 5.22 5.22 5.22 2.99 ± 0.01 2.75 ± 0.00 2.45 ± 0.01
95 6.23 6.23 6.23 3.45 ± 0.01 3.64 ± 0.01 3.03 ± 0.01 95 6.45 6.45 6.45 3.95 ± 0.01 3.58 ± 0.01 3.33 ± 0.01
  1. aAntilog which gives lethal dose in μg/ml. Probit analysis NCSS 2007 used to determine log (dose), percentile and probit values