Which of the following flavors is commonly found in American hops?

American hops are known for producing a diverse range of flavors, but resin is particularly characteristic of many varieties. The resinous quality often arises from the high alpha acid content found in the hops, which contributes to both bitterness and aromatic profiles when used in brewing. This resin flavor can be woody, piney, or herbaceous, providing a bold and distinctive character that is prevalent in many American-style beers such as IPAs.

While some American hops do exhibit fruity and citrus characteristics, especially varieties like Citra or Mosaic, the defining resin note makes it a more prominent and commonly recognized flavor profile associated with American hops.

In contrast, bread and chocolate flavors are typically not attributes directly linked to hops. Bread flavors might come from the malt in the beer rather than the hops used, while chocolate flavors are more commonly associated with dark malts rather than hop characteristics. Therefore, resin emerges as the most fitting answer regarding the common flavors associated with American hops in brewing.