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The dangers of weed killers - Glyphostae aka Roundup, the hidden killer.
On Fri, 23 May 2003 11:22:10 GMT, Tim Tyler wrote:
In uk.rec.gardening Oz wrote: : Tim Tyler writes :Warning people that many pesticides are not safe - and encouraging them :to eat certified-organic produce - or at the very least wash their fruit. : Washing has no effect. Complete nonsense: " Rinsing with Tap Water ====================== Although it has been assumed for many years that rinsing fruits and vegetable prior to consumption reduces the amounts of pesticide residues, this anecdotal approach needed laboratory confirmation. There are numerous studies in the scientific literature that have examined the effect of washing produce to remove pesticide residues as a step in commercial crop processing. These studies are of little practical use to the consumer who wants to know what effect household preparation has upon reducing pesticide residue levels. There are also a handful of studies that examine the effects of washing as part of larger household preparation studies. In most cases, however the sample sizes were too small to apply statistical analysis (1). In 1997 we initiated a research program whose objective was to examine the effect that the simple household technique of rinsing with tap water would have upon reducing pesticide residues in produce. A wide variety of crops that contained residues were examined. Residues of DDE, a metabolite of DDT, were also studied. Although many persistent organohalogen pesticides (POPs), such as DDT, were banned for use on food crops between 1972 and 1978 in the United States, they have remained in the environment where they continue to be incorporated into plant biomass (1). Data presented in this study show that a short rinse in tap water reduces pesticide residues on many types of produce (Table 1). Residues of vinclozolin, bifenthrin and chlorpyrifos were not reduced. This study also shows that the water solubility of pesticides does not play a significant role in the observed decrease. The majority of pesticide residue appears to reside on the surface of produce where it is removed by the mechanical action of rinsing (1). " - http://www.caes.state.ct.us/FactShee...y/fsac003f.htm Washing with water /is/ an effective method of removing pesticide residues from the surface of produce. Of course washing produce is also effective at reducing other forms of food poisoning - e.g.: http://outreach.missouri.edu/cmregio...g-produce.html Interesting stuff, something I have often been concerned about, I doubted the validity of a quick rinse and usually soak my hard fruits for a few hours prior to washing, of course this is not possible with soft fruit. I wondered about the effect of waxing on fruit, would this not seal the crap in as well, I find some waxes need a quick soak in the sink with a little detergent before coming off! -- So, you dont like reasoned, well thought out, civil debate? I understand. /´¯/) /¯../ /..../ /´¯/'...'/´¯¯`·¸ /'/.../..../......./¨¯\ ('(...´...´.... ¯~/'...') \.................'...../ ''...\.......... _.·´ \..............( \.............\.. |
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