Beer Infinity Beer, Brewing & Beyond
|
If you’re anything like me, then when you do something for the first time, you like to make it as complicated as possible. Case in point: making a sour beer. Sour beers get sour by adding bacteria that converts sugars into various acids. Lactic acid is most common in sour beers, providing a clean, lemony taste. However other acids that could be found include malic acid; which tastes like sour apples, acetic acid; which is basically vinegar, and butyric acid; which is similar in aroma to bile. The bacterias and wild yeasts that create these acids (namely lactobacillus, pediococcus, sherry flor, and brettanomyces) can very easily be purchased by a number of yeast labs. But I thought it would be more fun to culture my own lactobacillus. Lactobacillus (henceforth known by it’s more common street name: lacto) can be found virtually everywhere, including inside the human body. Lacto is also what’s used to sour milk into yogurt. In fact, I’ve re … |
Source: Hooked on Hops
Read the full article here.
