ortho-Hydroxyphenylacetic acid (2-hydroxybenzeneacetic acid) can be found in a number of food items such as natal plum lemon verbena half-highbush blueberry and parsley which makes ortho-hydroxyphenylacetic acid a potential biomarker for the consumption of these food products. ortho-Hydroxyphenylacetic acid can be found primarily in blood feces and urine.

Dehydromiltirone has antioxidant activity, it shows significant anti-neuroinflammatory effects through inhibiting PI3K/Akt phosphorylation and then inhibiting NF-κB signaling pathway.

Epigambogic acid is a natural compound that can be extracted from plants such as cotton root and sweetgum.