VOCs that make coffee bitter?

VOCs that make coffee bitter?

Brewing at Home and on the Road With Diego Campos

We talk to the first Colombian World Barista Champion and Diamante Coffee Farm founder Diego Campos about his brewing habits. BY TANYA NANETTISENIOR ONLINE CORRESPONDENT Photos courtesy of Diego Campos The focal point of a coffee worker’s professional life is, obviously, coffee. Whether for a customer, to check a specific production batch, or to verify the […]


Design Details: Brewing Reinvented at ULA Café in Melbourne

Welcome to Design Details, an ongoing editorial feature in Daily Coffee News focused on individual examples of coffee shop architecture, interior design, packaging design or branding. If you are a coffee…


Toronto’s Pilot Coffee Roasters Acquiring Bridgehead Coffee for $3.6 Million

Toronto, Ontario-based specialty coffee roaster and retailer Pilot Coffee Roasters is acquiring Ottawa-based Bridgehead Coffee in a deal worth approximately US$3.6 million.  Bridgehead, which has 21 coffee shop locations throughout…


Weekly Coffee News: EUDR and Africa + More Celebrity Coffee

Welcome to DCN’s Weekly Coffee News. Keep up with all the latest coffee industry stories and career opportunities by subscribing to DCN’s newsletter. Tell our editors about your news here. Report: Small-Scale Farmers in…

VOCs that make coffee bitter?

Don’t Skip the Budding Specialty-Café Culture in Quito, Ecuador

Introducing the specialty cafés of Quito, a city worth exploring on your coffee quest. BY JORDAN BUCHANANSPECIAL TO BARISTA MAGAZINE Featured photo courtesy of Stratto When traveling across South America, Ecuador can be forgotten between the high profiles of Colombia and Peru. Similarly, coffee from Ecuador may be overlooked due to its giant neighbors, including […]


10 Minutes With Helena Oliviero: Part One

We talk with coffee champion and Q Grader Helena Oliveriero about her career, her life in Colombia, and what it means to be a young woman in the male-dominated coffee world.   BY TANYA NANETTISENIOR ONLINE CORRESPONDENT Featured photo courtesy of Helena Oliviero Helena Oliviero, originally from Tuscany, Italy, is 28 years old, but already she […]


Brewing at Home and On the Road with Darrin Daniel

We check in with the Cup of Excellence executive director to learn his current coffee-brewing habits. BY TANYA NANETTISENIOR ONLINE CORRESPONDENT Featured photo by Emre via Unsplash Brewing coffee is, for many coffee professionals, more than just a job.   They usually brew coffee every day, both for themselves and their customers. Perhaps they do it […]


Breaking New Ground: A Sicilian Coffee Plantation, Part One

The impacts of climate change are starting to be felt in Sicily, but while they’re causing problems, the rising temperatures are also bringing new opportunities. BY JOSEPH PHELANSPECIAL TO BARISTA MAGAZINE ONLINE Featured image courtesy of Henrique Ferreira on Unsplash The Sicilian love affair with coffee is known the world over. Sicily, the largest of […]

VOCs that make coffee bitter?

Pick Your Pourover: Comparing and Contrasting the Most Popular Models

The Hario V60, Kalita Wave, and Chemex are three of the most popular pourover devices. Today, we’re comparing the three to help you determine which is the right choice for you. BY EMILY MENESES BARISTA MAGAZINE ONLINE Featured photo by Julien Labelle via Unsplash Ah, the pourover—this tried-and-true form of brewing is sacred in the […]


The Color of Coffee Collective Symposium Returns for Its Second Year

The collective and the nonprofit Koffee with Keith will hold their second annual symposium in Houston on March 10-12. BY J. MARIE CARLANBARISTA MAGAZINE ONLINE Photos courtesy of the Color of Coffee Collective The Color of Coffee Collective (COCC) is an organization that seeks to promote equity and opportunity for people of color in the […]


A Look at Digital Coffee Future’s Digital Origin Education Program

The new program connects coffee producers to one another, provides them with educational resources, and more. BY VASILEIA FANARIOTISENIOR ONLINE CORRESPONDENT Photos courtesy of the Cocaerol, Comal & Amprocal cooperatives in Honduras Since 2021, Digital Coffee Future (DCF) has been working on a digital training program to address the needs of coffee producers. In September […]


Weekly Coffee News: Grounds for Health Week + Iconic SF Shop Closes

Welcome to DCN’s Weekly Coffee News. Keep up with all the latest coffee industry stories and career opportunities by subscribing to DCN’s newsletter. Tell our editors about your news here. Registration Opens for Inaugural…

VOCs that make coffee bitter?

VOCs that make coffee bitter?

minimum dose size?

Jan 31, 2024 |

I use the Hario switch to brew my coffee and am trying to reduce my caffeine consumption. Hence I would like to brew smaller cups of coffee. I am currently using 10g of coffee with 160g of water. (1:16 Ratio) I am wondering if there is a minimum amount of coffee...

VOCs that make coffee bitter?

Hi all! I’m a Chemical Engineering student doing research on removing compounds from coffee during the brewing process to alter the taste. Coffee has over 1000+ VOCs, or volatile organic compounds that effect taste and smell. I want to focus on one or two that specifically impact the bitter coffee profile. Does anyone know of a specific compound that does this?

Thanks!

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VOCs that make coffee bitter?

Perfect Little Beans

Chinmey Hill Coffee uses specialty-grade beans with zero primary defects (such as black beans or sour beans) and less than five secondary defects (such as broken beans). This is important because primary defects will greatly affect the taste of the coffee. Having zero defects allows the coffee to be the most optimal flavor.

Window for Optimal Flavor

Chimney Hill Coffee ships our coffee the same day it was roasted, so you will receive it before it enters the window of optimal flavor.  This means you’ll never miss the opportunity to enjoy the coffee’s peak flavor.

Coffee Ratings

Coffee undergoes many scoring processes by professionals who achieved their Q Grader certification. Coffee is first graded when it’s green. If there are defects the coffee is determined to be “not-specialty grade”. For those coffees that pass green grading, they are sample roasted and cupped. (Cupping is the official term for critically tasting and scoring coffees. The official cupping form is standard worldwide, and where the 100-point scoring system comes from.) A coffee’s dry fragrance, wet aroma, flavor, aftertaste, body, acidity, balance, and overall impression are taken into consideration while uniformity issues and defects, will lower the overall score.

Specialty Coffee

Specialty coffee, coined by Erna Knutsen in 1974, refers to a coffee that receives a quality grading score of 80 percent or higher. While “premium” or “gourmet” seem like they’re synonymous with “specialty,” they simply are marketing terms with no defined standards. Specialty coffees are grown in specific and ideal micro-climates, and have distinctive and unique flavor profiles, with little to no defects.

Third-Wave Coffee

We’re currently in the third wave of coffee. The first wave of American coffee put pre-ground, vacuum-sealed cans in kitchens across America. The second wave started with the late ‘60s introduction of Peet’s coffee (by Alfred Peet) through the proliferation of Starbucks. The third wave of coffee focuses on origin transparency, nuanced flavors, and artisan roasting. The term “third wave” is synonymous with specialty coffee.

VOCs that make coffee bitter?

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