Understanding How Grind Size Impacts Flavour and Extraction

Brewing with Precision - Navigating the Perfect Coffee Grind Size for Your Preferred Brewing Method

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When it comes to brewing coffee, achieving the perfect cup goes beyond selecting the right beans and mastering the brewing technique. One often overlooked but crucial element is the grind size. The grind size plays a pivotal role in determining the flavour and extraction of your coffee. In this article, we will explore how grind size affects coffee flavour and extraction and offer insights on how you can optimize your coffee brewing process.

The basics.

The size of the ground coffee particles, commonly referred to as the grind size, can vary from coarse to fine. Different brewing methods require specific grind sizes to optimize the extraction process and enhance the flavours in a cup.

Here is our comprehensive coffee grind size chart for various brewing method.

Coffee Grind Size Reference Chart for Cold Brew, Cupping, French Press, Pour Over, Drip, Espresso, Moka Pot, AeroPress, and Turkish

The impact of grind size on flavour.

When hot water comes in contact with coffee grounds, it extracts various compounds that contribute to the aroma, flavour, and body of the coffee. The rate and degree of this extraction are influenced by grind size, which can be controlled and tailored to our preferences.

In general, a finer grind leads to increased surface area and more soluble compounds being extracted, resulting in a stronger and more intense flavour profile. When the grind size is too fine, coffee can become over-extracted and taste bitter.

Conversely, a coarser grind means less surface area, leading to fewer soluble compounds being extracted. This often yields a lighter-bodied and less pronounced flavour. If the grind size is too coarse, coffee can be under-extracted and result in insufficient extraction of flavours.

Finding the right grind size.

Experimentation is key to discovering the sweet spot that caters to your preferred brewing method and flavour preferences. Start by adjusting your grinder to a specific size and note the flavour. Adapting the grind size allows you to fine-tune the extraction process and discover the range of flavours that lie within your beans. Keep in mind that small changes in grind size can have a significant impact on the taste of your final brew.

Coffee grinding is both an art and a science. It requires a deep understanding of the brewing process, a willingness to experiment, and an appreciation for the nuances of flavour. By recognizing the impact of grind size on flavour and extraction, you can take your coffee brewing to a whole new level of precision and enjoyment.

To get your experiment started, head over to Terminal 3 Roasters self-service kiosk and get coffee beans recommendations based on your brewing method and flavour preferences.