Occurrence | The d-form has been reported found in the essential oils of bitter fennel, Ceylon cinnamon leaves, star anise, Curcuma longa and other essential oils; the l-form has been reported found in various eucalyptus oils, orange peel oil, angelica, Lantana camara and other oils. Reported found in over 100 foods and beverages including apricot, many citrus peel oils and juices, black currants, papaya, raspberry, strawberry, carrot, celery leaves and seed, bell pepper, tomato, cinnamon, cumin seed, ginger, Mentha oils, nutmeg, pepper, mace, parsley, thyme, Gruyere cheese, cured pork, hop oil, beer, tea, pecan, passion fruit, sweet and wild marjoram, mango, parsnip, cardamom, coriander seed, gin, litchi, dill herb and seed, lovage leaf and seed, caraway, juniper berry, laurel, bitter and sweet fennel, myrtle leaf and berry, sage, nectarine, pimento leaf and berry and mastic gum leaf oil. |