| Department of Food and Nutritional Sciences, The University of Reading
Food Labelling in the UK - A supporting material page |
Under the rules for the quantitative declaration of ingredients, the 'QUID' rules, there is a provision relating to products which lose weight during manufacture.
Where foods have lost moisture following heat treatment or other treatment, the quantity shall be expressed as a percentage which shall correspond to the quantity of the ingredient(s) used, related to the finished product, unless that quantity or the total quantity of all the ingredients indicated on the labelling exceeds 100 %, in which case the quantity shall be indicated on the basis of the weight of the ingredient(s) used to prepare 100 g of finished product; Annex VIII 4(a) |
The following example is the ingredients list from a pack of Tomato Ketchup. Since 'tomato' appears in the name of the food, a QUID declaration is required for this ingredient. However, the manufacturing process involves concentration and loss of moisture resulting in a calculated QUID percentage over 100%. The declaration therefore uses the 'prepared with' option, 'Tomatoes (148g per 100g Tomato Ketchup':