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UV Irradiation of pristine EVOO causes toxic aldehyde formation = Dead Ichor Mice

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#1 sensei

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Posted 12 December 2017 - 12:16 AM


"The effects of UV radiation on the chemical and sensory characteristics of virgin olive oils (cv. Arbequina and Picual) were assessed. Even small doses of UV radiation induced oxidation of the virgin olive oil samples. Total phenols and fatty acids contents decreased during the process as well as the intensity of the bitter and fruity sensory attributes, while the intensity of the rancid sensory attribute notably increased.Acetaldehyde, 2-butenal, 2-pentenal, octane, octanal, hexanal, nonanal, and 2-decenal were the volatile compounds most affected, showing an important increase during the irradiation process. Nonanal, hexanal, and pentanal showed high correlation with the rancid sensory attribute (90%, 86%, and 86%, respectively). 2-Decenal and nonanal concentrations allowed us to predict the alteration level of the samples by mean of multiple Ridge regression.

 

http://pubs.acs.org/....1021/jf0529262

 

 

Many of the compounds have ld-50 oral dosages of mg/kg in mice, some as low as 99mg/kg  -- which works out to 2 mg for your average 20 gram mouse

 

collectively, the volatile compounds cited above would likely be highly toxic in combination and kill mice in 1-3 days

 

2-butenal (also known as crotonaldehyde) has an LC-50 of 519ppm in mice - death in 2 hours at that concentration 

 

https://en.wikipedia.../Crotonaldehyde

 

https://www.cdc.gov/...dlh/123739.html

 

  • Informative x 6

#2 Daniel Cooper

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Posted 18 December 2017 - 10:32 PM

It's certainly possible that this is what Ichor essentially did.  But, since they haven't published anything beyond snippets here and there in this forum, how would we know?

 

Did they run a control when they light exposed their C60oo sample?  Seems like the the most reasonable thing to have done would have been to run C60oo against a pure olive oil sample for a control.  Did they do that? 

 

I'm really quite fed up with them popping in to drop a bomb on C60oo and then a year and a half later we still don't know what in the hell they actually did.

 

 

 

 


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#3 hav

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Posted 04 January 2018 - 04:28 AM

I'm wondering what power uv bulb might be comparable to what Kmoody's used if one wished to replicate his findings. Perhaps something like this? 

 

https://www.amazon.c...f/dp/B07791MJHW

 

Howard

 






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