Castoreum is very low, around 300 pounds, whereas vanillin is over 2.6 million pounds annually. Castoreum has been traditionally used in Sweden for flavoring schnapps commonly referred to as "Bäverhojt" (literally, "beaver shout"). Castoreum is also used to contribute to the flavor and odor of cigarettes. Medieval beekeepers used castoreum to increase honey production. Castoreum Castoreum is a yellowish exudate from the castor sacs of the mature North American beaver ("Castor canadensis") and the European beaver ("Castor fiber"). Beavers use castoreum in combination with urine to scent mark their territory. Both beaver sexes have a pair of castor sacs and a
Synthetic musk Synthetic musk Synthetic musks, known as white musks in the perfume industry, are a class of synthetic aroma compounds to emulate the scent of deer musk and other animal musks (ambergris, castoreum and civet). Synthetic musks have a clean, smooth and sweet scent lacking the fecal notes of animal musks. They are used as flavorings and fixatives in cosmetics, detergents, perfumes and foods, supplying the base note of many perfume formulas. Most musk fragrance used in perfumery today is synthetic. Synthetic musks in a narrower sense are chemicals modeled after the main odorants in animal musk: muscone in deer musk,