CHEMISTRY OF DARK RED COLOURED LIQUID TISSUE HAVING DEEP METALLIC ODOUR THROUGH OXYGENATED ?,?-UNSATURATED ALDEHYDE
Dr. Pankaj H. Prajapati, Rajat Chaudhary, Heta Shah, Rutvi Patel, Dhruvi Pandit, Ravi Pandya and Dr. Dhrubo Jyoti Sen
ABSTRACT
Unsaturated fatty acid has tendency to undergo rancidification due to the presence of double bond (σ: sigma bond
and π: pi bond) in oxidative catabolism in-vivo by oxidase enzyme and in-vitro due to air oxidation. Unsaturated
part undergoes reaction steps by Initiation, Propagation and Termination steps followed by free radical formation
in Initiation step, peroxide formation in Propagation step and hydro-peroxide step in Termination step which
produce obnoxious smell due to the formation of epoxide. Since blood is a biological fluid tissue so it produces
metallic smell of characteristic odour.
Keywords: (2E)-3-(3-pentyl-2-oxiranyl)acryaldehyde, trans-4,5-Epoxy-(E)-2-decenal, (2E)-3-[(2S,3S)-3- pentyloxiran-2-yl]prop-2-enal, ?,?-unsaturation, linoleic acid, initiation, propagation, termination, peroxide, hydroperoxide, epoxide, oxirane.
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