4-HOBA is a less reactive isomer of 2-HOBA as well as related compounds in a mouse model of hypertension.

Glucose oxidase, an enzyme extracted from the fungus Aspergillus niger, is an important industrial enzyme in the food industry and is widely used in the deoxygenation of foods such as wine, beer, fruit juice, milk powder, and in the improvement of flour and prevention of browning of foods, etc. It has antioxidant and potential anticancer activities.

Ochratoxin B is produced by a variety of Aspergillus and Penicillium species and is an analog of the mycotoxin Ochratoxin A, which can contaminate agricultural products.