When an ingredient disappears during manufacturing, what are the legal obligations and consequences for declaring that substance?

Not all ingredients that are added to food may be present in the final product. This article considers a number of different factual scenarios and some of the important regulatory consequences that businesses should be aware of when assessing the legal obligations for ingredients that are removed through manufacture or other processing. These include the examples of processing aids, allergens and measurement criteria for various declarations insofar as they may or may not apply for some volatile ingredients.