Tag Archives: beer

Diacetyl & My First All-Grain Batch

Things weren’t looking good for my first all-grain batch. I didn’t have a mash ton for a start. I’m not going to try and explain how much of a failure the 6-hour-long brew day was, and I’m not going to bore you all with the details about how I covered my kitchen in spent grain and sticky wort, but suffice to say things didn’t go to plan and I ended up with more beer on the floor than in the fermenter.

What I do want to talk about though, is the heavy butter taste that my beer has half way through fermentation. It tastes like butter popcorn and buttered bread – not a great taste in a 2% pale ale!

After some research online, I discovered that this buttery taste was caused by the chemical Diacetyl. According to Wikipedia, Diacetyl is a main flavour component in Butter. At low levels, diacetyl contributes a slipperiness to the feel of the alcoholic beverage in the mouth. As levels increase, it imparts a buttery or butterscotch flavor. Diacetyl is produced by the yeast as they turn the sugars into alcohol.
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A Homebrewer’s Introduction

As of this post, I have finally lost my blogging virginity; and it didn’t hurt half as much as I had anticipated!

Considering that I work as an online marketing consultant for an SEO firm in the UK, it’s pretty bizarre that I’ve never posted any kind of blog before. However, the time has come for me to break into the world of the almighty blog, and what better subject than beer? Continue reading