Abstract
Summary
Thirteen samples of commercial lecithin were fatal to rabbits when administered intravenously at a level of 1.75 g per kilo body weight.
A method for preparing lecithin from egg yolk is described and it is shown that lecithin so prepared is harmless to rabbits when given by vein even at a level of 3.5 g per kilo body weight. Lecithin so prepared will acquire toxic properties if exposed to the air. Elevated temperatures accelerate this process. If the lecithin is stored under high vacuum, toxic properties will not develop within at least 228 days.
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