What is the alcohol content in pure lemon extract equal to?

The alcohol content can vary depending on the maker of the extract and can be as high as 83%, such as in McCormick lemon extract. Vanilla is the only extract that has a standard of identity, which establishes the legal criteria that must be met before a product can be labeled vanilla extract. This is not the case with other extracts. As a result, the term "pure extract" when used to describe flavors besides vanilla is open to interpretation.

Alcohol is used in most extracts because the taste and fragrance of many plants are contained in their essential oils, and those oils are easily extracted by distilling them and dissolving them in alcohol, which keeps the oil in suspension.