PART TWO

THE ROAST

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THE LITTLE COFFEE KNOW-IT-ALL

WHY IS A COFFEE BEAN

= JUST A =

TINY TEST TUBE?

THE LITTLE COFFEE KNOW-IT-ALL

GREEN (UNROASTED) COFFEE IS NOTHING YOU’D EVER WANT TO CONSUME. IT IS HARD ENOUGH TO BREAK A TOOTH, AND ITS TASTE LEAVES AN AWFUL LOT TO BE DESIRED. IN ORDER FOR IT TO BECOME SOMETHING WE CAN GRIND AND BREW, FIRST IT MUST BE ROASTED. ROASTING COFFEE, AS IT TURNS OUT, INVOLVES SOME PRETTY COMPLICATED CHEMISTRY.

When we visualize chemistry, it is quite common to picture a laboratory with test tubes and various pieces of equipment. Mix the contents of two test tubes together and bam! Something new is created! Rule number ...

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