Freshness and Grinding, Part 1: Protecting your coffee’s flavours

Freshness and Grinding, Part 1: Protecting your coffee’s flavours

For your coffee to taste its best, it’s crucial you buy fresh roasts and grind fresh.… .….Or maybe not. When I began creating this episode, I was convinced that ‘fresh is best’. But, after delving into the science of coffee freshness, I don’t believe that anymore. This episode goes deep into how diffusion and oxidation changes a coffee’s flavours. You’ll learn what it takes to store your coffee grounds unbelievably well. So well, that if you do it right, you will struggle to taste the difference between two month old coffee compared to those same beans freshly ground! But here’s the weirdest thing: Maybe, just maybe, you will prefer old coffee more than the fresh stuff. ---------- Please spread the word about The Science of Coffee! Discover how I make these Filter Stories episodes by subscribing to my Substack newsletter. Leave a 5 star rating on Spotify Follow me on Instagram and tag me in an Instagram story Write a review on Apple Podcasts Explore Mahlkönig’s range of world leading grinders, trusted by baristas globally. Dive deeper into the science of coffee freshness Do a Certificate of Advanced Studies with the Coffee Excellence Centre Pick up a copy of the SCA’s Coffee Freshness Handbook Connect with my very knowledgeable guests Samo Smrke - Instagram 19 Grams Coffee Roasters in Berlin - Instagram Arnaldo Rodrigues - LinkedIn 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. What kind of racing car does the Gaggia Classic GT home espresso machine remind you of? Use discount code FS202610 to get 10% off. What does the Marco MilkPal look like to you? WALL-E? Something Steve Jobs would be proud of? Check it out here.

Episoder(74)

We Built This City…On Coffee: Hamburg and the making of Europe's coffee trade

We Built This City…On Coffee: Hamburg and the making of Europe's coffee trade

On a long walk through Hamburg, somewhere between the fish markets and giant cranes, you might stumble a giant bronze coffee bean looks like its crash landed from space.    But this giant coffee bean ...

5 Jan 50min

Introducing: Series Three of A History of Coffee

Introducing: Series Three of A History of Coffee

We’re back with more stories about the tiny psychoactive seed that changed the world and continues to shape our lives today. Is it possible to follow the story not just to Ethiopia, not just to a sin...

29 Des 20252min

Coffee Quality, Part 3: When the “quality” myth hits the farm

Coffee Quality, Part 3: When the “quality” myth hits the farm

For twenty years, the 2004 cupping form profoundly shaped the specialty coffee world.   But on the hillsides of coffee farms, some of the form’s byproducts have been disadvantaging producers.    In th...

8 Des 202530min

Coffee Quality, Part 2: How “quality” became a myth

Coffee Quality, Part 2: How “quality” became a myth

If you ask two specialty professionals what makes a high-quality coffee, you’ll likely get a surprisingly consistent answer: clean, sweet, juicy, bright. To an outsider, they would be forgiven for thi...

8 Des 202525min

Coffee Quality, Part 1: The birth of specialty coffee flavours

Coffee Quality, Part 1: The birth of specialty coffee flavours

For the longest time, coffees were dull and bitter. But then a small group of pioneers changed the world.    In this episode, we travel back to the 1960s and ’70s to meet the trailblazers who realised...

8 Des 202523min

How specialty coffee woke up to water’s role in flavour

How specialty coffee woke up to water’s role in flavour

For the longest time, the coffee community only cared about water’s impact ruining espresso machine boilers and kettles. But what about water’s impact on coffee flavour?   In this episode, I tell the ...

28 Jul 202525min

The two ingredients in water that ruin your coffee, and the ancient story behind them

The two ingredients in water that ruin your coffee, and the ancient story behind them

550 million years ago, earth was perfect. We had perfect water for coffee AND we were living in a vegetarian paradise!   But then Earth changed—violently. The planet shifted from a peaceful, plant-eat...

28 Jul 202538min

Getting great water for coffee, step-by-step. Part 2: How to measure and treat your water

Getting great water for coffee, step-by-step. Part 2: How to measure and treat your water

Water massively impacts your coffee’s flavours. But most of us struggle to fix our water because water science is confusing…   …until now! In this special collaboration with Lucia Solis (Making Coffee...

14 Jul 202543min

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