Paul John (whisky) evaporation during aging, known as the angels' share, is also higher in India, at 10–12% per year, than in Scotland, where the annual evaporative loss is about 2%. This leaves a hogshead with only 150 bottles left in it, after three years, compared to around 350 in a Scotland. Michael John describes it this way, "Whisky matured at these temperatures simply cannot be aged for the kind of time expected with Scotch, even trying to mature our whisky for just 10 years would leave barely a bottle of liquid in the barrel. Fortunately, the heat actually speeds up the maturation
Blended malt whisky using a corn mash). In practice, unless a different grain is specifically mentioned, a "malt" whisky is assumed to be made from barley. In the case of Scotch whisky, blended malts do not contain any whisky made from grains other than barley or spirits distilled using continuous distillation, unlike products labelled as "blended whisky". For the Scotch whisky industry, the terms "vatted malt" or "pure malt" have been reclassified as "blended malts" per the Scotch Whisky Regulations of 2009, and it has become unlawful to label Scotch Whisky using the prior terminology. When an age statement appears on the label