Coffee Roasting, Part 1: How heat transforms coffee beans

Coffee Roasting, Part 1: How heat transforms coffee beans

What flavours do you want from your coffee? Every coffee bean begins its life green. And if you brewed it up without first roasting it, you’d get a yellow-green cup of grass-flavoured water. But, as soon you apply heat to a bean, the flavour can morph to from something quite vegetative to a very acidic unripe fruit, then a very sweet fruit, and eventually dark roasted flavours. This is the magic of coffee roasting! In this episode of The Science of Coffee, I show you a full roast in action on the ROEST P3000, taste how coffee flavours evolve from acidic to bitter, and speak to leading coffee roasting scientists to reveal the mind-bending chemical and physical transformations taking place. See for yourself Roest's innovative P3000 fully automatic roaster. Please spread the word about The Science of Coffee! Follow me on Instagram and tag me in an Instagram story Write a review on Apple Podcasts Leave a 5 star rating on Spotify Connect with my very knowledgeable guests Mark Al-Shemmeri - LinkedIn Callum Gilmour - LinkedIn Veronica Balduc - LinkedIn Anja Rahn - LinkedInIldi Revi - LinkedIn Samo Smrke - Instagram Morten Münchow - Coffee Mind website The Science of Coffee is made possible by these leading coffee organisations BWT Water and More Marco Beverage Systems ROEST Sustainable Harvest Mahlkönig The Science of Coffee is a spin-off series from James Harper's documentary podcast Filter Stories Check out Standart, the award-winning coffee magazine. Get a free magazine and a free bag of coffee by clicking here. How does Perfect Moose detect what kind of milk is in the pitcher? Click here to find out. Visiting World of Coffee San Diego? Pull a shot on the gorgeous Slayer Steam Single What does the Marco MilkPal look like to you? WALL-E? Something Steve Jobs would be proud of? Check it out here.

Episoder(76)

2) Coffee Extraction

2) Coffee Extraction

How you brew your coffee dramatically affects what you taste. And I do mean dramatic! Brewing up the same bag of coffee beans can taste like a slice of heaven, or a slap in the face. So, what exactl...

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1) Water For Brewing Coffee

1) Water For Brewing Coffee

A newer, updated version of this episode is out — listen here instead! ----- Water really matters when you’re brewing coffee. Different waters can dramatically change how a single coffee will taste. ...

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Introducing: The Science of Coffee

Introducing: The Science of Coffee

The Science of Coffee is a journey into coffee's hidden microscopic secrets to help you make even better coffee at home. Across six episodes, documentary maker and coffee professional James Harper t...

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Coffee’s Ticking Time Bomb

Coffee’s Ticking Time Bomb

Sri Lankan coffee has delicious notes of chocolate and caramel. But it’s basically impossible to find, and we’re going to bet you’ve never drank it. But that's really odd, because Sri Lanka has the ...

15 Feb 202244min

Is really expensive coffee really worth it?

Is really expensive coffee really worth it?

Would you ever pay £75 for 100g of coffee beans? Today I'm sharing the most popular episode from Adventures in Coffee, a sister podcast to Filter Stories that I co-created. I'd love to know what y...

15 Jun 202132min

Coffee Cycle Saturdays

Coffee Cycle Saturdays

Today I'm sharing the story of a coffee drinker, Jools Walker, and how coffee helped her complete an inner journey. Listen to more episodes from Adventures in Coffee here: https://bit.ly/300V4jS Re...

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6) The Future of Coffee?

6) The Future of Coffee?

Do you grind your beans fresh before brewing your coffee? If so, you are helping overturn a race-to–the-bottom with deep roots in colonial extraction that today is leaving millions of coffee farmers i...

13 Mai 202147min

5) Desperately Seeking Sustainability

5) Desperately Seeking Sustainability

When was the last time you bought a coffee that was Fairtrade certified? Certifications make it easy for consumers to put their ethics into practice. But, hidden beneath the glossy sticker is a maze ...

27 Apr 202137min

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