There is no information related to the biological and pharmacological application of levulinic acid. But is known, that levulinic acid was recognized by the US Department of Energy as one of the top biobased platform chemicals of the future. It is a versatile building block with a clear value proposition in chemicals. Levulinic acid can successfully address many performance-related issues attributed to petroleum-based chemicals and materials.

Saralasin is an angiotensin II analogue which was developed for the treatment of hypertension in 1970s. For many years saralasin was supposed to be angiotensin receptors blocker, but recent studies have revealed that its pharmacological action can be explained by agonistic behavior toward angiotensin II receptor. The drug was approved by FDA under the name Sarenin, however, it is no longer available on the market.