This method describes how to evaluate the influence of crown caps and pull-off closures on the aroma of a beverage. The closures of beverage containers should exercise no influence on the aroma or flavor of the products they contact.
Production facilities in the beverage industry which fill beverages in containers with crown cap or pull-off closures
Bottles are filled with mineral water and sealed with crown caps or pull-off closures to be tested. The samples are subjected to treatment in a light cabinet and subsequently tasted against a reference sample.