Which compound is a product of the oxidation of beta acids?

The correct answer is that hulupinic acid is a product of the oxidation of beta acids. Beta acids, which are primarily found in hops, can undergo various chemical transformations, including oxidation. When beta acids are oxidized, they can lead to the formation of hulupinic acid, a compound that has been noted for its stability and potential impact on beer flavor.

Understanding beta acids and their oxidation helps in grasping the development of different flavor profiles in brewing.

Iso-alpha acids, while relevant in the context of hop chemistry, are specifically products formed during the isomerization of alpha acids when hops are boiled. Sulfur compounds are not directly related to the oxidation of beta acids, as they involve different biochemical pathways. Humulone is a type of alpha acid, which also undergoes isomerization but does not result from beta acid oxidation.

This contextual framework highlights the distinct pathways and reactions pertinent to hop chemistry, emphasizing the significance of hulupinic acid as a product of beta acid oxidation.