Common Beer Off Flavours – Metallic, Copper, ink and blood
Off Flavour: Metallic
Chemical Name: Ferrous Sulphate
What to taste or smell: Tastes of metal, copper, ink or blood. The best way to identify this is to rub a bit of beer on the back of your hand. This gives off a strong metallic odour and sensation.
Read more “I like hard rock but am not a Metal-Licker”
Common Beer Off Flavours – Baby vomit, cheesy and off milk
Off Flavour: Butyric
Chemical Name: Butyric Acid
What to look for: Any parent will know this smell well. Think of off milk, rancid, cheesy and the all important baby vomit. Read more “Baby sick in my beer? Yuck”
Common Beer Off Flavours – Garbage, Gas and yes Fart.
Off Flavour: Mercaptan
Chemical Name: Ethanethiol
What to look for: Trust me when I say you will know when you get it. Think drain, rotting garbage, sulphury or even the aroma of a fresh fart. This is the compound they add to natural gas to give it an aroma.
Read more “Did someone fart in my beer?”