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用竞争反应动力学方法研究，３种藻胆蛋白对羟基自由基的清除作用，其中Ｃ－藻蓝蛋白（Ｃ－ＰＣ）和变藻蓝蛋白（ＡＰＣ）从螺旋藻（Ｓｐｉｒｕｌｉｎａ ｐｌａｔｅｎｓｉｓ）中提取； Ｒ－藻红蛋白（Ｒ－ＰＥ）从多管藻（Ｐｏｌｙｓｉｐｈｏｎｉａ ｕｒｃｅｏｌａｔａ）中提取；羟基自由基通过脉冲辐解水产生．实验结果表明， ３种藻胆蛋白对羟自由基有强的清除作用；测量得到清除反应速率常数在（２．８～５．６）×１０~９Ｌ·ｍｏｌ~（－１）·ｓ~（－１）之间。
The scavenging effects of three phycobiliproteins on hydroxyl radicals were studied by competitive kinetics. C-PC and APC were extracted from Spirulina platensis. R-Phycoerythrin (R-PE) is extracted from Polysiphonia urceolata; hydroxyl radicals are generated by pulsed water liberation. The results showed that the three phycobiliproteins had a strong scavenging effect on hydroxyl radicals. The removal rate constant was found to be between 2.8 and 5.6 × 10 9 L · mol -1 · s -1 -1).