Every individual has a unique innate scent composed of a complex mixture of thousand volatile, semi-volatile and non-volatile organic compounds. These chemical components include alkanes, aldehydes, ketones, amines, alcohols, amides, fatty acids as well as their esters. Trained canines are extensively used to detect individuals, specially in forensic investigations, but what about instrumental research?

đŸ‘‰ This is what we know now, from researchers from the Netherlands: Human scent characterization: A review