Salade à la Piémontaise au thon

skipjack tuna 25.0% , potato 25.0% , water 10.5% , tomato 11.0% , rapeseed oil 7.3% , pickles in vinegar 3.0% , dijon mustard 3.5% , alcohol vinegar 1.4% , old-fashioned mustard 1.1% , tapioca 0.8% , chives 0.5% , egg yolk powder 0.8% , sugar 0.5% , E412 0.0% , carob seed flour 0.0% , salt 0.0% , pepper 0.0% , flavouring 0.0% , E161b 0.0% , spice extract 0.0%