Coffee: Spilling the beans on quality

By Jonathan Duffy
BBC News Online

Ever had a nasty cup of coffee? As prices of raw coffee have slumped in recent years, so has the quality of what we drink.

Coffee drinkers may be swallowing ground up twigs, dust and floor sweepings as they sup their morning cup.
Some coffees contain up to 20% rogue ingredients, which can also include mouldy and unripe beans.

While much of the coffee drunk in the UK is classed as "reasonable" or "high quality", there is alarm about some brands at the bottom end of the market.

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