1. Secondary compounds as protective agents;Swain;Annu. Rev. Plant Physiol.,1979
2. Plant phenolics;Harborne,1980
3. Plant phenolics – secondary metabolites with diverse functions;Lattanzio,2008
4. Evolution of flavonoid compounds;Swain,1975
5. Plant polyphenols: chemical properties, biological activities, and synthesis;Quideau;Angew. Chem. Int. Ed.,2011