Asparagus Odor Detection
After eating asparagus, some people notice an unfamiliar odor in their urine. Whether you can smell the asparagus aftermath is influenced by your DNA. Find out wether or not you can smell the asparagus in a thorough genetic report.
What causes the asparagus odor in urine?
Scientists believe the asparagus odor in urine comes from molecules that are made by the body when asparagus is broken down. One of the molecules called "methanethiol," contains sulfur and has an odor like cooked cabbage. Some bacteria that are used to make cheese produce methanethiol during the process, which gives cheeses like cheddar and Muenster their aromas.
The genetic marker is located near the OR2M7 gene. The OR2M7 gene contains instructions for a protein (an olfactory receptor) that detects odor molecules.
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