The Effect of Heat on the Lysine and Methionine in Sunflower Seed Oil Meal

Abstract
Autoclaving at 15 lb. pressure and dry heating at 121°C. destroyed a large proportion of the lysine in sunflower seed oil meal. Neither type of heating had an appreciable effect on methionine. The findings support the conclusion that destruction of lysine during processing is probably the chief cause of the poor nutritional value for chick diets of commercial expeller-process sunflower seed oil meal.