"I will guarantee you, in Scotland we will have legislation to bring in minimum pricing for alcohol by next year," he told a debate at the London wine fair today (May 18).
"The SNP have the votes to get that through," he added.
"I would also bet on the fact that they will find ways of recouping that money from the retailers, therefore there are going to be challenges there.
"How do 14% abv Australian wines compete with 11% German wines when the price differential could be upwards of 1.50, set by government?" Beadles asked.
But he added: "Whether it comes in or not is another matter, because there will be legal challenges."