Relationship Between Discolorations in Eggs and Dietary-Free Gossypol Supplied by Different Cottonseed Products

摘要: Abstract THERE is ample experimental evidence that two different components of cottonseed cause discolorations in egg yolks. One, whose identity not known, causes “pink” albumen as well “reddish-brown” or “orange” The other commonly called “olive-green.” appearance olive-colored yolks eggs laid by chickens fed meal was apparently first reported Lamon and Lee (1917), the responsible substance identified gossypol Schaible, Moore (1934). observations Swenson, Fieger Upp (1942) Heywang, Denton Bird (1949) show yolk attributable to may range from olive-green light chocolate brown nearly black. portion extractable aqueous acetone defined free-gossypol (American Oil Chemists’ Society, 1952). All meals can be recovered use acid treatment prior extraction with acetone. difference value …