Occurrence
Originally reported found in the mushroom Armillaria matsutake, a parasite growing on the radical hairs of
Pinus densiflora in the forests of Japan; it has been isolated also in the essential oils of Mentha pulegium L., lavender and Mentha timjia.
Also reported found in over 160 foods and beverages including banana, kumquat peel oil, berries, currants, guava, grapes, raisin,
melon, pineapple, asparagus, potato, tomato, Mentha oils, thyme, wheat bread, cheeses, buttermilk, boiled egg, fish, cooked meats,
hop oil, beer, cognac, rum, grape wines, cocoa, coffee, tea, pecans, plum, oats, soybean, olive, cloudberry, plums, beans, mushroom,
marjoram, starfruit, sesame seed, fig, kelp, rice, beans, litchi, calamus, dill, licorice, pumpkin, buckwheat, sweet corn, corn tortilla,
malt, rice, wort, krill, rosemary, Bourbon vanilla, mountain papaya, endive, lemon balm, shrimp, oyster, crab, clam, scallop, truffle,
winter savory, anise hyssop and maté.