This whisky lays claim to being the first sourmash bourbon.
这款威士忌据说是第一个酸麦芽波本威士忌，它叫什么名字？
2
What do they use to sour the mash?
他们是用的什么把饲料煮得带有酸味的？
3
Other preparations for acidification the so-called dry or instant acids consist of pregelatinized flour blended with a sour dough concentrate or of cereal mash prefermented by lactic bacteria.