Search results
Results From The WOW.Com Content Network
This is a static list of 599 additives that could be added to tobacco cigarettes in 1994. ... Oak chips extract and oil; Oakmoss absolute; 9,12-Octadecadienoic acid ...
The ethanol extract is cooled (e.g., to −15 °C) to solidify waxes, and cold filtered to yield a liquid extract. When the ethanol evaporates, an oil—the absolute—is left behind. [1] Traditionally, the absolute was obtained by enfleurage, where the resulting pomade was extracted with ethanol to yield the absolute.
Tonka bean oil is extracted from the seed of Dipteryx odorata.The oil is composed primarily of coumarin, which is used to flavor tobacco.It is neither a pressed oil, nor an essential oil, but was traditionally obtained by soaking the large, single tonka bean seed in rum or other alcohol for 24 hours, after which crystals of coumarin appear on the outside of the seed, and are then collected.
Tobacco chewing gum A gum containing nicotine or tobacco designed to be chewed. Tobacco edibles , often in the form of an infusion or a spice, have gained popularity in recent years. Tobacco water is a traditional organic insecticide used in domestic gardening .
Plant substances can be used, commonly cannabis, tobacco, or other herbs or blends of essential oil. [1] However, they are most commonly filled with a combination propylene glycol, glycerin, and drugs such as nicotine (e.g. extract from tobacco) or tetrahydrocannabinol as a liquid solution. [2]
The concentration of nicotine increases with the age of the plant. Tobacco leaves contain 2 to 8% nicotine combined as malate or citrate. The distribution of the nicotine in the mature plant is widely variable: 64% of the total nicotine exists in the leaves, 18% in the stem, 13% in the root, and 5% in the flowers. [citation needed]
However, for production of an essential oil extract from a plant, then quantity of CO 2 used will be a significant cost, and "complete" extraction not required, a yield of 70 - 80% perhaps being sufficient to provide economic returns. In another case, the selectivity may be more important, and a reduced rate of extraction will be preferable if ...
A Polycyclic aromatic hydrocarbon (PAH) is a class of organic compounds that is composed of multiple aromatic rings.Most are produced by the incomplete combustion of organic matter— by engine exhaust fumes, tobacco, incinerators, in roasted meats and cereals, [1] or when biomass burns at lower temperatures as in forest fires.