An extraordinary study: “THE EFFECT OF ETHNICITY ON HUMAN AXILLARY ODORANT PRODUCTION” proved different races smell different. Here.
As a group, African-Americans produced relatively higher amounts of all straight-chain acids: acetic, propanoic, butyric, valeric, and hexanoic; however, when branch-chained acids (isobutyric, 2-methylbutyric, and isovaleric acid) were examined, Caucasian donors appeared to produce relatively higher amounts than East Asian and African-American donors.
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