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.

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A Eulogy for Tito

A Eulogy for Tito

Hector “tito” Vargas passed away in December 2019. We honor him by playing the season finale of the Duolingo Spanish Podcast. Correction: Tito passed away from a gunshot wound and not a heart att...

19 Dec 201926min

Is your coffee building Trump’s wall? Part 5: How can we support marginalised coffee producers?

Is your coffee building Trump’s wall? Part 5: How can we support marginalised coffee producers?

You buying a coffee from El Salvador and Trump building a border wall have nothing in common. Or do they? Over five episodes, we explore a story of El Salvador. We confront massacres, wide inequali...

4 Dec 201923min

Is your coffee building Trump’s Wall? Part 4: The Rich and the Marginalised

Is your coffee building Trump’s Wall? Part 4: The Rich and the Marginalised

You buying a coffee from El Salvador and Trump building a border wall have nothing in common. Or do they? Over five episodes, we explore a story of El Salvador. We confront massacres, wide inequalit...

25 Nov 201922min

Is your coffee building Trump’s wall? Part 3: Requiem for a Coffee Republic

Is your coffee building Trump’s wall? Part 3: Requiem for a Coffee Republic

You buying a coffee from El Salvador and Trump building a border wall have nothing in common. Or do they? Over five episodes, we explore a story of El Salvador. We confront massacres, wide inequalit...

20 Nov 201925min

Is your coffee building Trump’s wall? Part 2: El Savage

Is your coffee building Trump’s wall? Part 2: El Savage

You buying a coffee from El Salvador and Trump building a border wall have nothing in common. Or do they? Over five episodes, we explore a story of El Salvador. We confront massacres, wide inequali...

12 Nov 201924min

Is your coffee building Trump’s wall? Part 1: A tale of two El Salvadors

Is your coffee building Trump’s wall? Part 1: A tale of two El Salvadors

You buying a coffee from El Salvador and Trump building a border wall have nothing in common. Or do they? Over five episodes, we explore stories of El Salvador. We confront massacres, wide inequali...

7 Nov 201927min

Big and Small in El Salvador: Part 3

Big and Small in El Salvador: Part 3

We meet a man who came from humble beginnings who has achieved what Armando and Maria have only ever dreamed about. ——————————— Taste Maria’s coffee and support Filter Stories by joining the Indieg...

17 Sep 201918min

Big and Small in El Salvador: Part 2

Big and Small in El Salvador: Part 2

Imagine you’re a coffee buyer on a mission to buy Salvadoran coffee. We visit Armando and Maria’s farms. Which farm would you choose to buy from? ——————————— Taste Maria’s coffee by joining the Filt...

20 Aug 201927min

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