Sour mash (or sourmash) is a process used in the distilling industry that uses material from an older batch of mash to adjust the acidity of a new mash. The term can also be used as the name of the type of mash used in such a process, and a bourbon made using this process can be referred to as a sour mash bourbon .

2022年1月17日 · Sour mash whiskey is a type of whiskey made using a method that incorporates a portion of a previously fermented mash into a new batch. This technique, similar to making sourdough bread, helps maintain consistent acidity levels in the mash, ensuring a stable and efficient fermentation process.

2023年3月8日 · And that process of adding old mash during the production of a new batch of bourbon is known as sour mash. Much like using sourdough starter for making sourdough bread, using old mash helps...

What is Sour Mash? Sour mash is the process used by whisky distilleries that relies upon an older batch of mash to begin the fermentation process of the next. This allows control of the pH and also provides valuable nutrients for the yeast. This process is somewhat analogous to the use of sourdough starter rather than fresh yeast.

2014年7月23日 · Sour Mash is a process that uses material from an older batch of mash to start fermentation of a new batch of mash. The following procedure was gathered from an interview with Short Mountain Distillery and other online resources. Its a rough accounting of how a commercial distiller would make a simple no cook mash for a simple sour mash.

2023年10月5日 · What Is A Sour Mash? A sour mash is a process of taking leftover distilled mash and adding it to a fresh batch of mash. It’s also referred to as backset or stillage (when referring to sour mash whiskey) and dunder (when referring to sour mash rum). Most distillers use stillage in their ferment because it assists in controlling the pH of their ...

2023年1月23日 · Sour mash is an intriguing but often misunderstood fermentation technique used to make spirits such as American whiskey and Jamaican rum. In this article, we explain exactly what sour mash is, how it works and why it’s used.

2024年1月18日 · Most American whiskey distillers prefer using a sour mash, however, because it promotes continuity in terms of flavor from batch to batch. It also helps keep the mash's pH from fluctuating, which inhibits the growth of harmful bacteria.

2023年9月1日 · Sour mash is the most common whisky distilling method. In sweet mash, fresh yeast is used in open-topped vats to get the fermentation process going. Sweet mash whisky offers a slightly sweeter taste.

2020年11月23日 · “Sour Mash”是波本威士忌中常用到的一种发酵方法，指的是在发酵时加入上批酒蒸馏时剩下的酸麦芽浆（Sour Mashing），这样不单单节约了成本，其原料也可以顺利进行发酵，而且最终得到的基酒也基本一致。