[Homeroast] post roast gases

Ben Treichel btreichel at gmail.com
Wed Mar 12 20:02:31 CDT 2014


Try it like a coffee rub to make it go faster!
 On Mar 12, 2014 4:49 PM, "Andy Thomas" <adt0611 at yahoo.com> wrote:

> Just a guess, but I think it may be from oils in the beans that atomize
> during the grinding process. It would only be a very tiny bit, but over
> time it might build up enough to create a patina on the lid. I can't see or
> feel anything on the lid of my grinder, but I have only had it for less
> than a year. You could try putting it through the dishwasher; it might get
> clean; it might not get clean; it might melt.
>
> As for your woodworking experiment, I think it is worth a try, Coffee oils
> do become rancid, but so do other non-mineral oils that are used for wood
> -- linseed, teak, etc. Why not do a trial with a piece of scrap. You could
> try with whole beans and different grinds from fine to coarse.
>
>
>
>
> ________________________________
>  From: kevin creason <ckevinj at gmail.com>
> To: Homeroast <homeroast at lists.sweetmariascoffee.com>
> Sent: Tuesday, March 11, 2014 2:57 PM
> Subject: [Homeroast] post roast gases
>
>
> About six years ago I picked up some nice professional equipment: a nice
> Rancillio S24 espresso machine and Maestre espresso grinder. I love them.
> The grinder did not come with a lid for the hopper, but a tupperware lid
> fit so I used that. Much to my wife's chagrin, I should add.
>
> Fast forward to the point at hand... This lid is now totally ruined for
> going back to its previous duties. It is so discolored by coffee that I
> would face equal wrath at returning it now.
> Oops.
> The lid just sits up on top of the hopper -- it does not come in direct
> contact with the beans or grounds. I suppose there could be some minute
> fly-off of grounds when the beans are emptied out to the bottom. But I find
> that scenario a little hard to believe. I think instead that it must be
> gases from freshly roast coffee that rise and permeate the plastic.
> Is this possible? Has anyone else observed this?
>
> My next question is using this potential phenomenon to my advantage, or at
> least confirming it through additional observation. When I'm not roasting
> and consuming coffee, or working my typing fingers to the bone on some
> remote command line somewhere, I like to turn wood into round objects on my
> lathe. I've been pondering buying cheap beans that I would not deign to
> consume, but instead stuff a wood bowl or pen into a baggy of said freshly
> roasted crappy beans and see what the wood absorbs from the beans. It might
> be pretty, it might be ugly.
> The first concern is that the wood would turn rancid after a while. But
> sealing it in acrylic might solve that issue.
> What do you think?
>
>
> -Kevin
> /*" I am looking for a lot of men who have an infinite capacity to not know
> what can't be done. " -- Henry Ford  */
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