Blood scent can attract predators

Blood is what taste? Why do some animal according to the smell of blood for food? Swedish researchers said the latest report, they found the key ingredient in sporadic blood odor, the carnivorous animal, this kind of composition and blood itself attractive. "For the carnivorous animal, the smell of food especially attractive, and this...... [] technology hearing on November 13th news, according to media reports, the blood is what taste? Why do some animal according to the smell of blood for food? Swedish researchers said the latest report, they found the key ingredient in sporadic blood odor, to predators, the composition and blood itself attractive. Blood scent can attract predators "For the predators, the smell of food especially attractive, but this is largely because the blood," the Swedish Linkoping University professor Mathias Laska said, "we want to know is, which is exactly the kind of chemical substance formed blood smell." Chromatographic analysis and mass spectrometry analysis by Laska et al. Gas, combined with analysis of odor experts, locking called "trans -4, 5- epoxy (E) -2- decene aldehyde substance. This is a kind of aldehyde compounds, it will shine out the scent of metal in particular, smell it evokes images of blood. Research shows that a chemical composition of single and complex animal blood can be as attractive. But for the wild zoo, captive reared animals need stimulation to prevent deterioration or fat, can emit the smell of blood through the aldehyde compound processing logs, attract the animals move.