Centrifugal juicers: an alternative to traditional pressing?
Paul B.
the very start. One of the things I have observed is that a using
centrifugal juicer makes more sense than using a scratter AND a press
together... I use an old Braun juicer that has quite a powerful
motor. Basically all I do is cut the apples, remove the seeds (so
they don't get ground up, releasing cyanide in the process...), and
then pass the apple halves through the centrifugal juicer. The
machine is extremely efficient: I get a lot of juice out of those
apples, and the pomace is barely damp when I empty the machine.
What possible advantages are there to having both a scratter and
press? The procedure seems so much more cumbersome. The main
disadvantages of a home-use centrifugal juicer are that it can only
process so much so fast, and needs to be emptied and cleaned out
often. However, it works quickly and yields a lot of juice.
If there were a way to core apples quickly and pass them through a
scaled-up centrifugal juicer built to handle larger quantities,
wouldn't that be a better method in general?
Any thoughts?
jez....@btinternet.com
I think its economies of scale. How much juice can you get in, say, a 2 hour period?
Using an electric mill and rack and cloth press I can get about 30 litres in that period - in a day, up to 125 - 150 litres... And I don't have to watch it for large periods of time during the pressing so I can be cleaning, preparing more fruit and generally drinking coffee!
I expect for small quantities a juicer makes sense, but for anything more than a few gallons it becomes less effective for the effort.
I think the cyanide thing is a bit of a red herring too although I am sure Andrew has the figures to prove it. I am quite happy eating pips!
I am not sure that there is a definitive test to demonstrate what works best (there was a thread a few months ago comparing yield of basket presses to rack and cloth press) but I would say that sometimes doing what everyone else is doing is no bad thing.
All the best
Jez
PS - just realised that its less than 2 months till the start of the season... Better dust off the kit soon:-)
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Melanie Wilson
I started with a whole fruit juicer, soon decided it was way too slow as I
started making more and more, Ok for a few gallons but that was all I could
bear at that speed :)
Also I think standing the mush for 24 hours to let the natural yeasts start
off gives a much richer taste. Others here add yeast I think, but I'm a
natural yeast for almost everything person !
Mel
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From: "Paul B." <pbu...@gmail.com>
Sent: Sunday, July 18, 2010 5:26 PM
To: "Cider Workshop" <cider-w...@googlegroups.com>
Subject: [Cider Workshop] Centrifugal juicers: an alternative to traditional
pressing?
> Being new to cider making, I have tended to do things my own way from
Rich Anderson
for spin, how efficient it was I do not know, just that crushed apples were
put in and juice came out. Removing the pumice might have been a chore and I
don't recall one discussed on various cider pages over the years.
Andrew Lea
There are actually professional versions of such centrifuges used for
apple juice, which are for some reason known as 'decanters'. They are
also 'self de-sludging' so can be run continuously. However they are
normally used with pre-milled enzyme treated pulp so far as I know, in
order to enhance extraction efficiency. To the best of my knowledge
there are no such units that also incorporate a grater plate to prepare
the pulp from a solid fruit feed, as Paul is suggesting.
I have also used small Braun juice extractors in the laboratory and I
agree they do appear to be very efficient. However, what works well for
one or two apples at a time with repeated manual intervention may prove
difficult and uneconomic to scale up. I have never heard of any such device.
Andrew
--
Wittenham Hill Cider Pages
www.cider.org.uk
Melanie Wilson
the poor thing too !
When we made our device it was based on a centrifuge idea in that the way
the pulp is produced is pretty similar, but we then press the pulp for the
juice. I think we compared amount of juice too & decided we got more from
the bulk process & the cleaning was easier too.