How hops produce chiral α-bitter acids that give beer its signature taste

Hops are an essential ingredient in beer brewing and an important economic crop. The female flowers of hops are covered in tiny glandular trichomes that synthesize and store a variety of specialized metabolites, collectively defining the flavor and quality of beer. Terpenes provide the distinctive aroma, xanthohumol has potent antioxidant properties that benefit human health, and α-bitter acids give beer its characteristic bitterness.

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