Guanosine monophosphate also known as guanylic acid or 5'-GMP belongs to the class of organic compounds known as purine ribonucleoside monophosphates. In particular L-Glutamic acid and guanosine monophosphate can be biosynthesized from xanthylic acid and L-glutamine; which is catalyzed by the enzyme GMP synthase.

Pratol significantly increased melanin content and tyrosinase activity in the cells without being cytotoxic.

Trans-Methylisoeugenol is a compound with insecticidal activity isolated from Acorus calamus L. It is a natural food flavor.