Anacardicaciddiene is a polyunsaturated form of anacardicacid that has been found in cashew nut shell liquid. It has antibacterial activity against methicillin resistant S. aureus (MRSA) and S. mutans (MICs = 12.5 and 6.25 μg ml, respectively). Anacardicaciddiene has schistosomicidal activity against adult S. mansoni worms when used at a concentration of 100 μM. It also inhibits soybean lipoxygenase-1 in a time-dependent manner.