permaculture

[Michael Pilarski <friendsofthetrees@yahoo.com>]

Since castor bean is to deadly poisonous to humans I would do some careful 
research before feeding it to animals.  A quick search on the internet finds 
some sources saying it can be used for livestock feed and others saying it 
cannot.  
Organic Fertilizer                      Highly
toxic ricin occurs naturally in castor beans. Ricin is water-soluble
and remains in the bean "cake" after oil is pressed and extracted.
Cooking does not destroy ricin, so castor bean cake is not used as
livestock feed. 



Castor beans are as much as 48 percent protein, with a complete amino
acid profile and trace elements such manganese, copper and zinc. The
cake is 4.5 percent nitrogen, 1.5 percent phosphorous and 1.5 percent 
potassium, making it ideal organic manure. Ricin in the manure kills 
nematodes.
Read more: 
http://www.livestrong.com/article/138629-uses-castor-beans/#ixzz0q2xuHyyy

Another source says there is a way of removing the poisonous principles so 
that the oilcake can be used for livestock food, but it didn't explain the 
process.  

Proceed with caution. 

Michael Pilarski



--- On Sat, 6/5/10, Cory Brennan <cory8570@yahoo.com> wrote:

From: Cory Brennan <cory8570@yahoo.com>
Subject: [permaculture] Info on castor bean press and production?
To: permaculture@lists.ibiblio.org
Date: Saturday, June 5, 2010, 5:25 PM

I'm seeking info on castor bean pressing and production for a project in 
Haiti. I haven't dealt with castor beans much. We are looking for the most 
sustainable, non toxic way of harvesting and pressing beans to extract 
maximum product from them, also ways waste product can be used. I'm familiar 
with some of these (like animal feed) but would love feedback from those who 
have dealt with this crop. 

What are the best presses to use? 

We are interested in polycropping and using some of Marsha Hanzi's work. 

Best, Cory


      
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