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Table 2 Yield of FA-FD and lethal effect per fraction that kills 50% of Haemonchus placei

From: In vitro effect of three tropical plants on adult Haemonchus placei, an haematophagous nematode from cattle

Fractions of CE

Eluting mobile phase

Yield (%)

Mass (mg)

LC50 (mg/mL)

Lethal effect per fraction that kills 50% of worms (mL)*

% of Total

FA

n-Hex

13.5

135

na

–

–

FB

n-Hex/EtOAc (1:1)

52.7

527

2.38

221.43

89.18

FC

EtOAc

14.0

140

5.21

26.87

10.82

FD

EtOAc/MeOH (1:1)

19.0

190

na

–

–

Total

  

992

 

248.30

 
  1. *Lethal effect calculated by: Mass × 1/LC50
  2. na not active; CE chloroform extract; n-Hex n-hexane; EtOAc ethyl acetate; MeOH methanol