A polyunsaturated form of anacardic acid; inhibits soybean lipoxygenase-1 (IC50 = 60 μM); inhibits superoxide production by xanthine oxidase by 82% at 88 μM; active against S. mutans, S. aureus, and MRSA ATCC 33591 (MICs = 1.56, 6.25, and 6.25 μg/ml, respectively); inhibits NADH oxidase (IC50 = 1.3 μg/ml); toxic to B. glabrata (LC50 = 0.35 ppm)