was employed.b-Carotene
(2 mg) was dissolved in 20 mL of chloroform and to 4 mL of
this solution, linoleic acid (40 mg) and Tween 40 (400 mg) were
added. Chloroform was evaporated under vacuum at 40 C
and 100 mL of oxygenated ultra-pure water was added, then
the emulsion was vigorously shaken.