A sesquiterpene; found in a variety of plants, including Cannabis; has antiproliferative and antioxidant properties; inhibits proliferation of primary rat neurons and N2a rat neuroblastoma cells in a concentration-dependent manner; inhibits proliferation of cultured human lymphocytes at >100 mg/L; increases total antioxidant capacity in primary rat neurons and N2a neuroblastoma cells at 25 mg/L; increases total antioxidant capacity in cultured human lymphocytes at 50 and 100 mg/L