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Identification of ejaculate derived propylamine found in collagen sponge contraceptives.

Propylamine is identified as one of the compounds present in odoriferous intravaginal contraceptive sponges from sexually active women. This compound also appears in samples of human ejaculate incubated at 37 degrees C for seven days. We have identified propylamine by gas liquid chromatography, mass spectroscopy and as N-propylbenzoylamide. Evidently the compound forms enzymatically from spermine and spermidine. We believe that this is the first time that propylamine has been identified as forming from human tissue.