Hiya, I've had a look at the calories, carbs etc, & using information online I've come across 2 formals, one suggests that each 20.cal is one syn and another formula suggests you divide the carbs by 5, Anyways taking both formulas into. Consideration a tin would result in 8 syn points...
Calories: 163
Carb: 37.5
Hope this helps, (not official but that's my guess and it can't be far off)