"We can't have it staining when to replace the ballroom carpet would be £500,000 alone", Mr Porciani was quoted as saying.
The ban came to light after guests asked for Irn-Bru to be supplied at an event at the five-star "Trump Turnberry" resort, which has recently undergone a £200million upgrade.
Donald Trump visits Turnberry Golf Club, after its $10 Million refurbishment on June 8, 2015 in Turnberry, Scotland.
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"We have villas here with Irn-Bru stains in the carpets which I can't let", the manager added. The decision was reportedly made to protect the carpets from stains.
The ban comes as the Scottish Labour leader, Richard Leonard, has pledged to lead protests when Trump visits Scotland as part of his United Kingdom visit on 13 July.
Staff working for the US President have been ordered to take all precautions to keep the five star hotel in pristine condition.
Scottish Labour leader Richard Leonard has pledged to lead the protests against Trump.
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Final yr social media fizzed when Barack Obama was given a sugar-free model of the beverage on his first go to to Scotland, whereas in 2014 Canada banned Irn-Bru - and different well-known British merchandise equivalent to Marmite and Ovaltine - as a result of it contained unapproved substances.
"Someone who holds such misogynist, racist and anti-trade union views not to mention his whole approach to foreign policy, someone who rejects the Paris climate change agreement, should simply not be given the red-carpet treatment", Leonard charged.
Trump's latest decision may even increase the crowds protesting him if he were to visit Scotland again.
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Ms Boudchar was also detained but was released shortly before giving birth. The couple had been "subjected to a harrowing ordeal", admitted Mr Wright.