Questions tagged [roast]

Questions related to the quality and properties of roasted coffee. For questions about the actual roasting process, please use the [roasting] tag.

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Reroasting coffee beans after a couple of years - is it worth it?

I have some old, roasted coffee beans that have been stored in (mostly) airtight, opaque containers. The coffee beans are of reputable brands and are 2-6 years old, depending on the bag. They do not ...
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Why does my decaffeinated coffee smell of petrol?

A while ago I bought a blend of decaffeinated natural Brazilian coffees from the Region of Sul de Minas (700 - 1100m above sea level). The supercritical CO2 process was used. Food scientists have ...
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What is Starbucks's roast date?

What is the roast date of Starbucks beans? I've heard rumors that it's 7 months or 8 months before the expiration or "best by" date, but is there an authoritative source for this information?
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Petroncini roaster issue

I have a petroncini raoster, semi-automatic It's really good, but I whenever I fase an issue, I find really hard to understand -and fix- it. I have been searching for a while now, for an operation ...
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Does an inconsistent roast affect espresso extraction? If so, how?

I'm not really asking about flavour, I understand that an inconsistent roast causes inconsistent flavour. My question is how it affects the extraction itself. Does an uneven roast lead to an uneven ...