[Jacob-list] ivomectin/organic

[Linda]

<LOL> I took two years of college chemistry, but I must have the retention of a turnip!! (or maybe it was a LONG time ago :-0) as I haven't the foggiest idea if "agents isolated from the soil bacterium...." makes it a natural product. 

Linda
 
www.patchworkfibers.com
Registered Jacob Sheep, Angora Rabbits, Handspun Yarn

On Sun, 16 Apr 2006 19:49:56 -0700, ARTHUR PARTRIDGE wrote:
 I found this on the Internet, glad I
> took lots of college chemistry.
> Now if someone would find out how Permethrin the insecticide is
> made or derived, that's one of the standard treatments for lice.
>
>>
> The components of ivermectin are currently synthesized by chemical
> hydrogenation of a specific double bond at C22-C23 in the
> polyketide macrolides avermectins B1a 5 and B1b 6, broad-spectrum
> antiparasitic agents isolated from the soil bacterium Streptomyces
> avermitilis. From: Ivermectin, a mixture of 22,23-dihydroavermectin
> B1a9 with minor amounts of 22,23-dihydroavermectin ...
> http://www.ncbi.nlm.nih.gov / entrez / query.fcgi?cmd=Retrieve&..
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