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The Color in Your Cup: Roast Level and Brew Temperature Significantly Affect the Color of Brewed Coffee | 25, Issue 17

Lead author SARA YEAGER shares the findings of a recently published paper, “Roast Level and Brew Temperature Significantly Affect the Color of Brewed Coffee,” published in the Journal of Food Science, exploring how coffee beverage color varies with origin, roast level, and brew temperature.

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How Strong is the Coffee You’re Cupping? New Model Captures the Equilibrium Extraction Nature of Full Immersion Brewing | 25, Issue 17

Lead Author JIEXIN LIANG shares findings of a recent paper, “An Equilibrium Desorption Model for Strength and Extraction Yield of Full Immersion Brewed Coffee,” published in Scientific Reports, that outlines a predictive model for the equilibrium strength and extraction of “full immersion brewed coffee” (cupping) between 80°C and 99°C (176°F and 210°F) and suggests we’re more easily able to control our total dissolved solids (TDS) via brew ratio instead of our extraction yield (E).

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From Sea to Shining Sea: Coffee’s Transport and Expanding Our Definition of “the Middle People” | 25, Issue 17

Efforts to make coffee’s supply chain more sustainable have resulted in more awareness of the labor it takes to produce coffee, but some parts of the chain remain overlooked. ERIKA KOSS sheds light on the vital human labor that makes it possible for farmers to be paid and for baristas to serve coffee.

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Webinar en Colaboración: El Estado del Arte en la Fermentación del Café

Ya está abierto el registro para un webinar gratuito en español sobre los avances técnicos en la fermentación de café, organizado en conjunto con The Fermentation Association.

Registration is open for a free Spanish language webinar on the current state of coffee fermentation science, hosted in partnership with The Fermentation Association, on Thursday, March 3.

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Understanding and Servicing the Heating Circuit

As a beverage equipment technician, we can see many different types of machines that heat water. These are espresso machines, drip coffee machines, tea brewers, hot chocolate machines, hot water machines and others. Servicing a machine with a heating issue begins with understanding the heating circuit, its path, and the parts in the path.

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The ZWILLING ENFINIGY Drip Coffee Maker Receives the SCA Certified Home Brewer Mark

The ZWILLING ENFINIGY has been awarded the Specialty Coffee Association (SCA) Certified Home Brewer mark. In a crowded and competitive market, the SCA Certified Home Brewer mark helps consumers find and choose the best coffee makers, backed by the science and experience of the Specialty Coffee Association. Certified Home Brewers are thoroughly tested in the laboratory and must meet the SCA’s quality standards for brewing specialty coffee at home.

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The Nuts and Bolts of Setting up a Service Department

How many techs does it take to turn a bolt?

From managing your fellow humans to financial literacy and digital tools, setting up a service department is a skill in itself. If you’ve been tasked with founding or leading a service department for a roaster-retailer, this one’s for you. (And if you enjoy brilliant tech-based jokes, this one may also be for you…)

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