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Thread: storing green beans

  1. #1
    Senior Member summercrema's Avatar
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    storing green beans

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    what is the idea way to store sacks and sacks of green beans, let say in humid places like Queensland. thanks

  2. #2
    Sleep is overrated Thundergod's Avatar
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    Re: storing green beans

    Do you mean big sacks like my 60kg of PNG Kimel or little 2.5kg Coffee Snobs sacks?

    I keep mine (big and small) on open shelving so its off the ground and has airflow around.

    I realise QLD humidity is another factor but short of a climate controlled cupboard Im not sure what else you can do.

  3. #3
    Senior Member Dennis's Avatar
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    Re: storing green beans

    That Kimel of yours sounds like the magic pudding TG! ;D

    I might also suggest that if by, "sacks and sacks" you are referring to jute bags in the 30-60kg range then it might also help to break these down to smaller, cotton or calico bags.

    Some people feel that the greens are susceptible to becoming baggy if left in the jute for long periods.

  4. #4
    Senior Member Koffee_Kosmo's Avatar
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    Re: storing green beans

    For Brisbane and high humidity areas
    And for extended storage periods
    One could use those silica bags that suck the moisture out

    Donít know if that will work?

    KK


  5. #5
    Sleep is overrated Thundergod's Avatar
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    Re: storing green beans

    Quote Originally Posted by Dennis link=1217911994/0#2 date=1217917998
    That Kimel of yours sounds like the magic pudding TG! *;D
    Just giving the bag size comparison Den. ::)
    Im down to 30kg.

  6. #6
    Mal Dimal's Avatar
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    Re: storing green beans

    Quote Originally Posted by Koffee Kosmo link=1217911994/0#3 date=1217919616
    For Brisbane and high humidity areas
    And for extended storage periods
    One could use those silica bags that suck the moisture out

    Donít know if that will work?

    KK
    Gday KK,

    The use of any kind of desiccant involved with the storage of green beans isnt all that good an idea really as you have no real control of the degree of dehumidification going on. Green beans need to be stored within an "ideal" range of absorbed moisture and drying out too much is just as bad, if not worse than if the beans are too wet. The ideal is considered to lie somewhere between 9% and 13% and usually 10-11%. Unless you undertake regular moisture content measurements of the beans, its quite possible to dry the beans out a bit too much and lose a lot of the intrinsic flavour characteristics; and thats not good.... :(

    Cheers,
    Mal.

    Information Link... http://www.cscscientific.com/html/coffee.html

  7. #7
    Senior Member Koffee_Kosmo's Avatar
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    Re: storing green beans

    Thanks for the info Mal

    How about a wine refrigerator? Do you think it has any merit?
    I believe they create a microclimate
    I am not sure if it is adjustable to a userís settings though.

    KK

  8. #8
    Sleep is overrated Thundergod's Avatar
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    Re: storing green beans

    May be possible.

  9. #9
    Mal Dimal's Avatar
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    Re: storing green beans

    Hmmm,

    I dont know KK..... I think there is still the chance that some "off" odours from the refrigeration unit, rubber seals and what have you, will ultimately contaminate the beans. A bit different with wine being in a sealed glass bottle.

    The best option really is to find a space that is naturally well ventilated, cool, dark and dry; with no likelihood of weird or unsavoury odours hanging about. An old fashioned pantry would be ideal with the beans stored on metal mesh/grate shelves in their original CS bags or other calico style bag.

    Mal.

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    Re: storing green beans

    so does anyone know how long green beans actually last? (Best Before date?)

  11. #11
    Senior Member fatboy_1999's Avatar
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    Re: storing green beans

    Quote Originally Posted by 183134273C3F382935021134382F2E3E355D0 link=1217911994/9#9 date=1284375386
    so does anyone know how long green beans actually last? (Best Before date?)
    There is an often quoted rule known as the rule of threes.

    Green Beans best used within 3 years.
    Roasted beans best used within 3 weeks.
    Ground coffee best used within 3 minutes.

    Brett.

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    Re: storing green beans

    Thats a GREAT rule! Thanks :)

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    Re: storing green beans

    Quote Originally Posted by 1F3B323231310B1F3B27393B540 link=1217911994/6#6 date=1218025663
    Thanks for the info Mal

    How about a wine refrigerator? Do you think it has any merit?
    I believe they create a microclimate
    I am not sure if it is adjustable to a userís settings though.

    KK
    Wine fridges generally have very high humidity of around 70% (the better quality ones do anyway). Ive never seen one with adjustable humidity, although temp is adjustable. That may be too high a humidity for bean storage, and condensation can also occur from opening the fridge door, particularly in hot weather (warm air outside fridge meeting cool air inside fridge). Any condensation getting on the beans would likely cause mould to grow, so I dont see this as practical.

    Im in Qld (Brisbane) and have never had any problems storing beans up to 3 years so far. I just keep them in the original 2.5kg bags they come in from beanbay. I have them stacked off the ground on open steel mesh shelving so they have airflow around them. But my house does have air con, which gets a fair bit of use over summer, so that may keep the humidity down somewhat.

    regards,
    Bill

  14. #14
    Super Moderator Javaphile's Avatar
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    Re: storing green beans

    The guideline Ive most often seen for long term greens storage is 50% RH and 20C with airspace on all sides.


    Java "Piles O Beans" phile

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    Re: storing green beans

    Does anyone see a problem using "ham" bags for green bean storage? They are just calico bags you can get from the supermarket.

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    Re: storing green beans

    Quote Originally Posted by 455E55484909544E4A57544849270 link=1217911994/14#14 date=1298025593
    Does anyone see a problem using "ham" bags for green bean storage? They are just calico bags you can get from the supermarket.
    I cant see an issue as long as they are cotton, not any synthetic, but why not just buy spare ones off beanbay if you need extras? - 66 cents each.

  17. #17
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    Re: storing green beans

    After picking up my stash from Andy today, I found this thread after reading many others. In summary, the basic rules are:
    • Keep the beans in non-synthetic (beanbay cloth style) bags
    • Allow ventilation
    • Keep light & temperature change minimal
    • But mostly treat the beans well and with respect
    How did I go?- above was a question* :)* and I now have 10 k of beans to look after!!!!

  18. #18
    Mal Dimal's Avatar
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    Re: storing green beans

    Spot-on "koligi".... 8-)

    Also should probably include the need to avoid exposure to high humidity for long periods as well.

    The cupboards Ive [s]pinched[/s] set aside ::) for my bean storage are more towards the centre of our house and maintain a fairly steady-state 50% R.H. throughout most of the year and seems to work pretty well for bean quality longevity. This is just down to luck of course, not design.... ;)

    Mal.


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    Re: storing green beans

    Cheers Mal. Better [s]pinch[/s] set-aside my own cupboards, and I already think I know which ones... So now to find a place for all the bed linen and towels and... :-?

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    Re: storing green beans

    So I removed all those domestic things from the [s]pinched[/s] set-aside cupboards (you can tell my partner is away, right?* ;D* Sadly because she is from Christchurch* :(, and I may start another post to see what we could do for our c-snob bro in CCH beyond what we do as humans; sorry I digress)

    I have 2.5 KG of beans in each beanbay bag so they will not lay flat.* Do you have the beans on a single-like layer, or do you stir the bag every week, or is the shape of a bean enough to ensure air circulation amongst them?

    I need to know as getting through the "honey I moved the linen" when she gets back will require me to only visit this [s]pinched[/s] set-aside area as only absolutely necessary!*::) Not really but it did end the question well.

  21. #21
    Mal Dimal's Avatar
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    Re: storing green beans

    Gday again mate.... :)

    All the best for your friends and family back in ChCh mate. Certainly a tough time over there.

    I stack my beans in their 2.5Kg bags two high with their labels facing out... Considering they originally get shipped and then stored in warehouses in 60Kg sacks secured on pallets several metres high, I dont think double stacking them in a well ventilated cupboard is going to cause any problems.

    I recently roasted up an "End Of Bag" batch of SHB Huehuetenango that was approaching 4 y.o. and that tasted wonderful in the cup. Im not advising that this is something that everyone should be doing, fresh is always best of course; but its nice to know that with some beans, when stored well they can still manage to deliver on their original promise. Possibly to do with their SHB character, to some extent.

    Good luck with the "Honey...." speech ;)

    Cheerio,
    Mal.

  22. #22
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    Re: storing green beans

    Thanks Mal and like your logic; my position is about as good as gets in Koligi-abode.

    Cheers

    Colin

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    Re: storing green beans

    [QUOTE=2F30322831243332255D0 link=1217911994/15#15 date=1298026324]
    Quote Originally Posted by 455E55484909544E4A57544849270 link=1217911994/14#14 date=1298025593
    Does anyone see a problem using "ham" bags for green bean storage? They are just calico bags you can get from the supermarket.
    I use old pillow slips that wifey wants to discard ...... perfect

  24. #24
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    Re: storing green beans

    I also smoke cigars and know a little about controlling humidity. With cigars, I try to keep them around 65% using a type of silica beads. The beads are also used to control the humidity in art museums where paintings are stored. You can condition the beads so they keep the humidity at 50% but the only problem is there is little air-flow which sounds like its important for green beans. Is there a little more leeway with the humidity with green coffee beans? I would think using a humidity gauge, one could find a good storage place in ones home.

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    Re: storing green beans

    Behmor Coffee Roaster
    silly me is thinking why would you need to store beans more that 3-4 months?? :-/

    I must admit after they have been roasted ground and extracted I just store them in my garlic patch. or under the walnut tree.

    this dose seem to change the flavor though. ;D



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