Description: foeniculum vulgare fruit oil is the essential oil steam-distilled from the dried fruits of the fennel, foeniculum vulgare, miller spp. capillaceum (gillib) holmboe var. vulgare miller, umbelliferae. syn. bitter fennel. it contains anethole (50-60%), fenchone (about 10%), pinene, limonene and phellandrene