When tested for ornithine and arginine decarboxylases, pyrrolizidine alkaloid-bearing Senecio riddellii, S. longilobus (Compositae), and Crotalariaretusa (Leguminosae) plants exhibited only ornithine decarboxylase activity. This contrasts with previous studies of four species of pyrrolizidine
The aim of the present study was to investigate the vasoactive effect of Crotalaria sessiliflora L. extract (CSE) on rats and its mechanism when combining in vivo and in vitro approaches. CSE (0.5-5 mg/ml) induced concentration-dependent relaxation on endothelium-intact thoracic aortic rings
Crotalarin, the N-acetyl-D-galactosamine-binding blood group A-specific lectin from the seeds of Crotalaria striata was subjected to various chemical modifications in order to ascertain the amino acid residues responsible for its carbohydrate-binding property. Modification of lysine, cysteine and
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