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Geosmin is found in corn. Implicated in off-flavour of shellfish, freshwater fish, drinking water and some vegetables.Geosmin, which literally translates to "earth smell", is an organic compound with a distinct earthy flavour and aroma, and is responsible for the earthy taste of beets and a contributor to the strong scent that occurs in the air when rain falls after a dry spell of weather (petrichor) or when soil is disturbed. The human nose is extremely sensitive to geosmin and is able to detect it at concentrations as low as 5 parts per trillion.

(E)-2-Dodecenal is found in animal foods. (E)-2-Dodecenal is present in many foods including citrus peel, ginger, carrots, milk, roast peanuts, roast beef and cured pork. (E)-2-Dodecenal is a flavouring agent

(Z,Z)-3,6-Dodecadien-1-ol is found in herbs and spices. (Z,Z)-3,6-Dodecadien-1-ol is isolated from Jasminum sambac (Arabian jasmine

Cyclododecanone is found in tea. Cyclododecanone is a constituent of Panax notoginseng (sanchi)

Earthy odorant used in perfumery and food flavouring [CCD].

trans- and cis-2,4,8-Trimethyl-3,7-nona-dien-2-ol is used as a food additive [EAFUS] ("EAFUS: Everything Added to Food in the United States. [http://www.eafus.com/]")

The E-form is a Pheromone isolated from the glands of Amblypelta nitida and Oecophylla longinoda. Also found in essential oils of Acorus calamus (sweet flag) and Lactuca sativa [CCD].

7-dodecenal is a member of the class of compounds known as medium-chain aldehydes. Medium-chain aldehydes are an aldehyde with a chain length containing between 6 and 12 carbon atoms. 7-dodecenal is practically insoluble (in water) and an extremely weak acidic compound (based on its pKa). 7-dodecenal can be found in coriander, which makes 7-dodecenal a potential biomarker for the consumption of this food product.

1-ethoxy-p-menth-2-ene is a member of the class of compounds known as menthane monoterpenoids. Menthane monoterpenoids are monoterpenoids with a structure based on the o-, m-, or p-menthane backbone. P-menthane consists of the cyclohexane ring with a methyl group and a (2-methyl)-propyl group at the 1 and 4 ring position, respectively. The o- and m- menthanes are much rarer, and presumably arise by alkyl migration of p-menthanes. 1-ethoxy-p-menth-2-ene is practically insoluble (in water) and an extremely weak basic (essentially neutral) compound (based on its pKa). 1-ethoxy-p-menth-2-ene can be found in sweet marjoram, which makes 1-ethoxy-p-menth-2-ene a potential biomarker for the consumption of this food product.

4-ethoxy-p-menth-1-ene is a member of the class of compounds known as menthane monoterpenoids. Menthane monoterpenoids are monoterpenoids with a structure based on the o-, m-, or p-menthane backbone. P-menthane consists of the cyclohexane ring with a methyl group and a (2-methyl)-propyl group at the 1 and 4 ring position, respectively. The o- and m- menthanes are much rarer, and presumably arise by alkyl migration of p-menthanes. 4-ethoxy-p-menth-1-ene is practically insoluble (in water) and an extremely weak basic (essentially neutral) compound (based on its pKa). 4-ethoxy-p-menth-1-ene can be found in sweet marjoram, which makes 4-ethoxy-p-menth-1-ene a potential biomarker for the consumption of this food product.

Cis-3-ethoxy-p-menth-1-ene is a member of the class of compounds known as menthane monoterpenoids. Menthane monoterpenoids are monoterpenoids with a structure based on the o-, m-, or p-menthane backbone. P-menthane consists of the cyclohexane ring with a methyl group and a (2-methyl)-propyl group at the 1 and 4 ring position, respectively. The o- and m- menthanes are much rarer, and presumably arise by alkyl migration of p-menthanes. Cis-3-ethoxy-p-menth-1-ene is practically insoluble (in water) and an extremely weak basic (essentially neutral) compound (based on its pKa). Cis-3-ethoxy-p-menth-1-ene can be found in sweet marjoram, which makes cis-3-ethoxy-p-menth-1-ene a potential biomarker for the consumption of this food product.

3Z,6Z-Dodecadien-1-ol

Codlemone

5,7-dodecadien-1-ol

7E,9Z-dodecadien-1-ol

3,5-dodecadien-1-ol

3,4,7-Trimethyl-2E,6-nonadien-1-ol

9E,11-Dodecadien-1-ol

5E,7Z-Dodecadien-1-ol

8E,10Z-Dodecadien-1-ol