Here’s the scoop on coffee’s flavor: the taste comes from compounds locked into roasted coffee beans. Add hot water, and those flavors escape into your pot — but not all flavors escape at the same time, says Harold McGee, food science writer and author of On Food and Cooking. For example, sour flavors, acids, come first and the plant carbohydrates responsible for coffee’s body come later. Taste for yourself with this counter-top chemistry experiment.
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How to turn milk into a hard plastic nearly as strong as stone! All we need for this simple kitchen science experiment is milk, vinegar and a strainer. You can make all kinds of shapes and designs using this “plastic-like” material. In fact, this is the stuff they used before plastic was around! Instructions: Take…
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View full lesson: http://ed.ted.com/lessons/the-chemistry-of-cookies-stephanie-warren You stick cookie dough into an oven, and magically, you get a plate of warm, gooey cookies. Except it’s not magic; it’s science. Stephanie Warren explains via basic chemistry principles how the dough spreads out, at what temperature we can kill salmonella, and why that intoxicating smell wafting from your oven…
Amazing!
Hmm….must try giving my beans a "quick rinse" before brewing. Eliminate some of the acidity and keep the rest.
is it true that the bitterness comes last? can i take the last part and mix the rest?
Nice videos!
Полезная информация!!!
Very amazing ^_^ !!
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Smart måde at tilsmage på!
Who narrated this video?
Coffee is suppose to neither be sour or bitter – well brewed coffee is actually a fine balance between the two to create a smooth taste.
This experiment is to show the different stages in which the flavor of coffee comes out. Normally coffee is brewed over an extended time (about 4-5 minutes). This experiment tries to show what flavors come out during the 4-5 minute brewing duration. Sour flavors come out first, then the more "bitter" and body like flavors.
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I don't get it, does this mean that the first cup – 'normal' coffee is supposed to taste sour? I thought coffee naturally has a bitter taste to it…
nice experiment though!
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