goofymd Senior Member Joined: 30 Oct 2004 Posts: 25 Location: scottsdale,az Expertise: Just starting
Posted Wed Jan 5, 2005, 7:18am Subject: fresh/gas
I've roased two batches with different beans. my first batch started tasting good after 24-48 hours. the second was awful untill after 72 hours. how do you know how long to let the beans de gass? (with my small batches I hate wasting ) - I suppose I'm asking for the "you taste it and know for next time " response but are the any rule of thumb for beans from different regions etc.?
in addition, I've read that the beans are freshest and taste best within 4 days, if it takes 3 dayse to degass, that leaves me one day to drink all my coffee:)
Posted Wed Jan 5, 2005, 9:55am Subject: Re: fresh/gas
Generally speaking, light roasts take a little longer to develop their best flavor than dark roasts. Also, brighter beans and really funky beans like Yemens, aged or monsooned beans take a bit longer to develop.
Posted Wed Jan 5, 2005, 10:33am Subject: Re: fresh/gas
I go by smell.
For example, I know my Kenya smells very grassy/woody for the first 24 hours. After that, it developes an almost vanilla smell, and I know it's ready.
For Sumatra, it just smells like cardboard for the first 24 hours. Then it smells like really really good coffee. I do like to give Sumatra and extra 24 hours though.
I also go by sight, but it's less precise. I roast to full city/full city+ depending on variety, so there are no oil spots on a complete fresh roast. It normally takes 12 hours to begin to develop any oil spots. So I look in my container, and if there's no oil spots forming, I know to not even bother. If there are oil spots forming, I stick my nose in the container and inhale deeply and slowly.
I'd recommending roasting 1 small batch of your favorite beans and ziplocking them. Then, every day, maybe twice a day, open the ziplock and smell them. Keep track of the smell in a journal. Never brew these beans, just keep track of the smell for about a week. This will give you a nice curve of freshness and drinkability.
goofymd Senior Member Joined: 30 Oct 2004 Posts: 25 Location: scottsdale,az Expertise: Just starting
Posted Thu Jan 6, 2005, 9:10am Subject: Re: fresh/gas
steve- that actually helps, I have been roasting one darker roast and one lighter roast each time but tring the lighter roast first, always with poor results-(I'd probably learn,... eventually,... maybe?)
caxsaun- I have been smelling it first (but stupid me still making the coffee even when the beans have a poor nose). I'll have to trust my nose alittle more. the sight thing I'm aways away from yet.
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