Accumulation of gossypol enantiomers in ovine tissues
1996
Kim, H.L. | Calhoun, M.C. | Stipanovic, R.D.
Tissue residue levels of gossypol enantiomers in cottonseed-fed and lethally intoxicated lambs were determined by the high-performance liquid chromatography-ultraviolet detection method. Gossypol was derivatized with (+)-2-amino-1-propanol and separated with a reversed-phase C18 column and the elusion of analytes was monitored at 254 nm. The highest residue level was found in the liver tissue (318-416 ng total gossypol/mg dry tissue), and the residue of (-)-gossypol was higher than (+)-gossypol in the heart, muscle and spleen. The detection limit was 2 ng, and the detector response of gossypol-amine adducts was linear between 2 and 100 ng enantiomers.
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