Telah dilakukan penelitian pendahuluan uji toksi.sitas21 ekstrak etanol dari 20 tanaman. yang diduga mempunyi. khasiat, menggunakan metode Meyer yang dimodifikasi.Sebagai hewan percobaan digunakan Artemia sauna Leachumur 7 han. Dosis pemeriksaan adalah 100 dan 1000 ug/ml dengan pengamatan setiap jam pada 6.. jam pertama dan 24j'axn setelah penambahan ekstrak.Hasil pengamatan menunjukkan peningkatan prosentasekematian dengan bertambahnya dosis dan lamanya waktu kontak.

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A preliminary toxicity study was performed on 21 e -

thanolic extracts of 20 plants, which were known to be active,

using a modified Meyer's method. This study involved

exposing one week old Artemia sauna Leach to plant ex -

tracts of consentrations of 100 and 1000 ug/ml for 24 hours.

Observations were done by counting, the number of death

shrimp each hour in the first 6 hours and after 24 hours.

The percentage of death shrimp increased . with higher

extract concentration and longer length of exposure.