0 mg/kg, 0 months                                                       No evidence of toxicity                                                                                                                                        000 mg                    \[[@B000]\]                       (PSP)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           Rats 