He said consuming large amounts of caffeine would make people feel "very anxious and aggressive".
Concerns have been raised about the effect of the stimulant when mixed with alcohol, with the US Food and Drug Administration is considering banning pre-mixed caffeinated alcohol drinks.
Health warnings about mixing the two are also starting to appear in countries like Canada, France, the Republic of Ireland, Sweden and Australia.
The monks of Buckfast Abbey turned down a request to respond to the issues.
However Jim Wilson, from J Chandler & Co, the distributors of the tonic wine in Scotland, was asked about the possibility of reducing the caffeine levels.
He said: "Why should we? It's been there for over 80 years.
"Why should we go about changing the recipe of something just to satisfy somebody's whim?"
Mr Wilson said the Benedictine monks were not to blame for the effects of Buckfast in the outside world.
Buckfast contains the same amount of caffeine as eight cans of Coke
He said: "Why should they accept responsibility? They're not up here pouring any of their Buckfast down somebody's throat. People take it by choice because they like it, because it's a good product."
Speaking on BBC Radio's Good Morning Scotland programme, Justice Secretary Kenny MacAskill said that what he called Scotland's "vat of shame" was a wider question than one particular drink.
He said: "There isn't any scientific evidence at the moment that says caffeine has a correlation with violence and crime - really Buckfast, drunk usually in the west of Scotland, is part of a cocktail.
"But people frequently have an espresso after a good night out, a meal with a lot of wine, and they don't suddenly go berserk.
"So Buckfast is a problem, but it's not the only drink and if we ban Buckfast we'd still have a drink problem in Scotland."
Labour justice spokesman Richard Baker stressed tackling Scotland's booze culture was not as simple as the SNP's proposals for minimum alcohol pricing.
The Buckfast Code is on BBC One Scotland at 1930 GMT on Monday 18 January
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