Evaluation of Antioxidant and Free Radical Scavenging Capacities of Polyphenolics from Pods of <em>Caesalpinia pulcherrima</em> oleh Mei-Hsiang Lin, Mei-Hsien Lee, Lih-Chi Chen, Wen-Chi Hou, Hsiao-Jen Lu, Tzu-Hua Wu, Feng-Lin Hsu, Wei-Jan Huang