1. The anthocyanins;Andersen,2006
2. Anthocyanins from ornamental flowers of red frangipani, Plumeria rubra;Byamukama;Sci. Hortic.,2011
3. Spectroscopic techniques applied to flavonoids;Fossen,2006
4. Comparative Biochemistry of the Flavonoids;Harborne,1967
5. Phytochemical methods;Harborne,1984