In the second step, the authors assessed the toxicity of
the AmB solution solubilized at 10–4M in the acetate/
acetic acid buffer (100 mM) at pH 5.4, 1 mg/kg, due to
repeated injections for 48 hours until the animal died.
Every 48 hours, follow-up is done on the same rats from the beginning to the end of the experiment. The first collection is done 24 hours after the first injection. From the second injection, aggression and asthenia rats are used for batch control and test. After the fourth injection, four rats of the six tested groups died while two other lots
(experimental and control) were alive. 100% lethality test
batch was achieved after the sixth injection. The authors
note that three injections of AmB solubilized 10
–4
M so-lutions in acetate/acetic acid (100 mM) of pH buffer 5.4,1 mg/kg every 48 hours do not cause significant distur-bance in the renal parameters (urea and creatinin)