Coffee Concepts Overview

Flashcards focused on key vocabulary and concepts related to coffee cultivation, processing, and brewing.

Arabica Coffee

The sole species of quality beans that thrives at high altitudes, has low caffeine content, and produces superior quality coffees with great flavor and aromatic characteristics.

Robusta Coffee

A coffee species that grows at lower altitudes, is cheaper to produce, has a higher caffeine content, and is known for its woody, astringent flavor.

Coffee Roasting

A complicated chemical process that transforms unroasted coffee beans into aromatic and flavorful roasted beans by applying heat.

Wet Processing Method

A coffee processing technique where cherries are handpicked, soaked in water, and cleaned before the pulp is removed.

Dry Processing Method

The oldest method of processing coffee where fruits dry on the tree or are spread out in the sun to dry.

Caffeol

An aromatic oil produced during coffee roasting that is largely responsible for coffee's aroma and flavor.

Grading of Coffee Beans

The classification system of coffee beans based on size, shape, and weight, which determines their quality.

Espresso

A concentrated coffee beverage brewed by forcing hot water under pressure through ground coffee.

Crema

The foamy layer formed atop an espresso shot that helps hold in flavors and aromas.

Tamping

The process of compressing coffee grounds in the portafilter to ensure even extraction during brewing.

Back Flushing

A cleaning method used for espresso machines where water is forced back through the brewing head to remove coffee oils and residues.

Coffee Varietals

Different types of coffee beans from various origins, each possessing unique characteristics.

Steaming Milk

The technique used to create frothy milk for coffee beverages, which involves heating and aerating milk to achieve good texture.

Ethiopia

The country where coffee was discovered in the 6th century, specifically in the region known as the Kingdom of Kaffa.

Monitoring Procedure for Espresso Machines

Routine checks conducted on espresso machines, including water level, pump functionality, and steam release.

Coffee Bean Storage

The practice of keeping roasted coffee beans in an airtight container in a cool, dark place to preserve freshness.

Types of Espresso Machines

Different espresso machines include manual, semi-automatic, and automatic, each with varying levels of automation in brewing.

Coffee Education

The knowledge regarding coffee production, processing, and attributes that contribute to overall quality.

Quality Evaluation of Coffee

Methods like sensory evaluation, customer feedback, and consistency checks used to assess coffee quality.