and 100 mg of Tween-20 (polyoxyethylene sorbitan mono-
palmitate) were mixed. The solvent was removed at 40 -
C
under vacuum and the resulting mixture was diluted with
10 mL of water and was mixed well. To this mixture, 20 mL
of oxygenated water was added. Four milliliter aliquots mix-
tures were pipetted into different test tubes containing
0.2 mL of extracts (50 and 100 ppm) and BHA (50 and
100 lg) in ethanol.