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Thread: Sumatran Mandheling tastes foul

  1. #1
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    Sumatran Mandheling tastes foul

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    Roasted 400g of Sumatran Mandheling from Di Bella on the 13/7 , 9 days ago in my corretto. The end roast looks a little inconsistant with a few lighter coloured beans and the beans were of various sizes.
    Tasting notes ,day 2 " YUK" , day 3 "YUK" , undrinkable as an espresso, you could replace the word YUK with PUK ..... day 9 improved but not enjoyable, rubbish really,sour back of the mouth taste.

    Min/temps were ..every 3rd is yellow.
    35/45/56/82/102/125/139/152/165/175/188/195/ FC198@12-20/199/202/206/209/212/SC214@17-10/pulled17-30

    How does that profile look ....
    I was looking for a slow start then accelerate.!!!!
    Ive still a couple of kgs green still to be roasted.

    What mouth taste am I looking for?
    Should I have gone further into SC?

    Roasting Snobbers please advise....

    Greg


  2. #2
    CoffeeSnobs Owner Andy's Avatar
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    Re: Sumatran Mandheling tastes foul

    Quote Originally Posted by 5A5D46415A5D56320 link=1248223567/0#0 date=1248223567
    The end roast looks a little inconsistant with a few lighter coloured beans and the beans were of various sizes.
    Pretty normal for wet hulled coffees. There is less seperation during processing and ergo you do get lots of variation in roast colour. Even worse when you are roasting a dry processed bean like a Sidamo or a Harrar but the variations are only colour, not so much taste.


    Quote Originally Posted by 5A5D46415A5D56320 link=1248223567/0#0 date=1248223567
    rubbish really,sour back of the mouth taste
    The beans are prob ok, I would blame the roaster first.
    ;)

    Quote Originally Posted by 5A5D46415A5D56320 link=1248223567/0#0 date=1248223567
    How does that profile look
    Pretty good but every setup is different and results can only really be tweeked by you.

    If 1st crack was circa 200 then I would have thought that a 222-224 would be closer to the start of second crack. Maybe you gave it too much heat at the end and bought 2nd crack on early?

    See if you can get your finish temp higher... the sour should go and sweetness appear.


  3. #3
    Sleep is overrated Thundergod's Avatar
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    Re: Sumatran Mandheling tastes foul

    I also noticed a "bad" Mandheling taste coming out from a blend when my machine was running too hot.

    Can you run some cooling flushes and then try again?

  4. #4
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    Re: Sumatran Mandheling tastes foul

    Hotshod

    Generally, Indos roast pretty unevenly so Id expect that.

    Your profile looks OK, though Id usually aim for around 14min to FC, so just a tad longer, but I would pull them @ SC+30sec about where you did.

    I reckon they need 8+ days and peak at 12ish, you should get heaps of buttery body and a mildly grassy flavour.
    IMO SM is not a brilliant SO espresso bean, its great when used in blends to add body, but nevertheless it still should make a drinkable SO espresso.

    If your espresso tastes sour, you may want try raising you shot temp by 0.5 - 1 C.

  5. #5
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    Re: Sumatran Mandheling tastes foul

    Ok , its 15 days since I did this roast and it is starting to taste better , not my favourite , but drinkable as an espresso.
    I imagine it would blend well .

    Cheers
    GB

  6. #6
    Senior Member fatboy_1999's Avatar
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    Re: Sumatran Mandheling tastes foul

    Behmor Coffee Roaster
    Quote Originally Posted by 3B3C27203B3C37530 link=1248223567/4#4 date=1248762185
    Ok , its 15 days since I did this roast and it is starting to taste better , not my favourite , but drinkable as an espresso.
    I imagine it would blend well . *

    Cheers
    GB
    I have a friend who always liked it when I roasted this one as an SO for him, but I find it goes far better (for me) in blends.

    As a matter of fact, Im drinking it a blend right now. 4:3:3 Indian Tiger Mountain, Ugandan Busamaga and Sumatran Mandheling.

    Enjoying it greatly.

    Brett.



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