Nicotine is an organic compound and is a nitrogen-containing alkaloid. Nicotine is naturally produced by various plants, including the tobacco plant. Nicotiana tabacum is the naturally occurring nicotine found in tobacco plants which belong to the nightshade family. Potatoes, tomatoes, eggplant, and Red peppers are examples of the nightshade family and naturally contain a small amount of nicotine. Nicotine is also produced synthetically in laboratories. Pure nicotine is an odorless liquid and very toxic in high concentrations and had a bitter taste.
Propylene Glycol used in electronic cigarettes is a colorless liquid with a sweet, thick and sticky texture. Propylene Glycol used in food and cosmetics are safe for humans and environmentally friendly. It is the substance that helps to dissolve the aromatic ingredients contained in electronic cigarette e-juice and with the help of an atomiser that provides heat and simulates cigarette smoke.
Many wonder what the main differences are between electronic cigarettes and analogue cigarettes. Electronic cigarettes do not contain the thousands of chemical-toxic substances in tobacco which is found in traditional cigarettes. A normal cigarette contains many chemicals such as Benzene, Formaldehyde, Ammonia, Acetone, Arsenic, Hydrogen Cyanide and many more. An analogue contains just over 4000 other chemicals to be exact.