This does not appear to have posted. If you have already received this,
sorry for the resend.
 
There is a potential homemade enteric coating. 
It consists of using shellac flakes dissolved in ethanol to coat a gel
capsule with a sprayer. The shellac will dissolve in the alkaline
conditions of the lower intestine but not the acidic stomach. Food
quality ingredients should be used.
Shellac apparently is not only a fine wood varnish but it is non-toxic.
Shellac is produced by an insect for cocooning. It is used on
supermarket fruit along with wax as well as by the pharmaceutical
industry.

See: 
http://www.encyclopedia.com/doc/1P3-47625139.html
 
http://www.patentstorm.us/patents/5567438/description.html
 
http://books.google.com/books?id=A73NI1TmS7wC&pg=PA45&lpg=PA45&dq=shella
c+enteric+coating&source=bl&ots=4EO_BVKuJz&sig=Wi13NutOt8xhHpnKq7sy81PxI
40&hl=en&sa=X&oi=book_result&resnum=10&ct=result
 
http://74.125.45.104/search?q=cache:GEmBPquBggwJ:www.drugs.com/npp/shell
ac.html+shellac+enteric+coating&hl=en&ct=clnk&cd=13&gl=us
 
 
 - Steve N

________________________________

From: Dan Nave [mailto:dan.n...@nilfisk-advance.com] 
Sent: Monday, November 17, 2008 1:21 PM
To: silver-list@eskimo.com
Subject: CS>Enteric coating


Is there any way to simply apply an enteric coating to an existing pill
or capsule?  
 
If possible,  this could save big bucks...
 
Dan


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