7-Methoxytetrahydro-b-carbolines such as harmaline and harmine
possess melting points of 232–234 C and 267–269 C,
respectively and their degradation temperature was more than
200 C (Alexander & Ann, 1997) similar to 6-methoxy-b-carboline
as described in the present study. Hence, 7-methoxy analogues
are thermally stable, could be used in high temperature food model
system compared to existing antioxidants such as vitamin C and
B