'Gender bending' chemicals found in beer and wine
New Scientist9/1/2008
Gunter Kuhnle of the MRC Dunn Human Nutrition Unit in Cambridge, UK,
and colleagues surveyed dozens of foods and beverages using mass
spectrometry, an extremely sensitive chemical technique. Most previous
surveys of foods and drinks focused on one kind of phytoestrogen that
is found in high levels in nuts and seeds called lignans, but ignored
another kind called isoflavones