The vast majority ‒ 85 percent ‒ of tampons, cotton and sanitary products tested in a new Argentinian study contained glyphosate, the key ingredient in Monsanto’s Roundup herbicide, ruled a likely carcinogen by the World Health Organization.
Meanwhile, 62 percent of the samples tested positive for AMPA, glyphosate’s metabolite, according to the study, which was conducted by researchers at the Socio-Environmental Interaction Space (EMISA) of the University of La Plata in Argentina.
All of the raw and sterile cotton gauze analyzed in the study showed evidence of glyphosate, said Dr. Damian Marino, the study’s head researcher.
“Eighty-five percent of all samples tested positive for glyphosate and 62 percent for AMPA, which is the environmental metabolite, but in the case of cotton and sterile cotton gauze the figure was 100 percent,” Marino told Télam news agency. An English translation of the Télam report can be found here. The products tested were acquired at local stores in Argentina.
“In terms of concentrations, what we saw is that in raw cotton AMPA dominates (39 parts per billion, or PPB, and 13 PPB of glyphosate), while the gauze is absent of AMPA, but contained glyphosate at 17 PPB.”
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