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The ocimenes are often found naturally as mixtures of the various forms. The mixture, as well as the pure compounds, are oils with a pleasant odor. They are used in perfumery for their sweet herbal scent and are believed to act as plant defense and have anti-fungal properties. [2]
Odor intensity can be expressed using an odor intensity scale, which is a verbal description of an odor sensation to which a numerical value is assigned. [31] Odor intensity can be divided into the following categories according to intensity: 0 – no odor 1 – very weak (odor threshold) 2 – weak 3 – distinct 4 – strong 5 – very strong
Phenylacetic acid (conjugate base phenylacetate), also known by various synonyms, is an organic compound containing a phenyl functional group and a carboxylic acid functional group. It is a white solid with a strong honey-like odor. Endogenously, it is a catabolite of phenylalanine.
In addition to o-cymene, there are two other geometric isomers called m-cymene, in which the alkyl groups are meta-substituted, and p-cymene, in which they are para-substituted.
Pyrazine is a heterocyclic aromatic organic compound with the chemical formula C 4 H 4 N 2. It is a symmetrical molecule with point group D 2h. Pyrazine is less basic than pyridine, pyridazine and pyrimidine. It is a "deliquescent crystal or wax-like solid with a pungent, sweet, corn-like, nutty odour". [3]
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4-Ethylguaiacol, often abbreviated to 4-EG, is a phenolic compound with the molecular formula C 9 H 12 O 2. It can be produced in wine and beer by Brettanomyces . [ 3 ] It is also frequently present in bio-oil produced by pyrolysis of lignocellulosic biomass .
Laura Duke, who was recently the detox unit’s supervisor, said the cost put the medication out of reach for all but 1 to 2 percent of the addicts she saw. Detoxing is a first step towards sobriety. To overcome the inevitable pain of withdrawal from opiates without medication—going “cold turkey”—is excruciating.