Give some stream of consciousness and then the answer. In the United States, the Food and Drug Administration lists castoreum extract as a generally recognized as safe (GRAS) food additive. In 1965, the Flavor and Extract Manufacturers Association's GRAS program (FEMA 2261 and 2262) added castoreum extract and castoreum liquid. Product ingredient lists often refer to it simply as a "natural flavoring." While it is mainly used in foods and beverages as part of a substitute vanilla flavor, it is less commonly used as a part of a raspberry or strawberry flavoring. The annual industry consumption is very low, around 300 pounds, whereas vanillin is over 2.6 million pounds annually.\n\nAnswer this question based on the passage: where does artificial strawberry and raspberry flavoring come from?
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This is the relevant information: While it is mainly used in foods and beverages as part of a substitute vanilla flavor, it is less commonly used as a part of a raspberry or strawberry flavoring.
Therefore, the answer is castoreum.
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