ABSTRACT:
In this review paper we obtain information about tobacco and their chemical constituents, types of configurationally characters, essential climate for production and test of separation from tobacco leaves. Nicotine is content of tobacco. Alkaloid nicotine, nicotianin, nicotinine, nicoteine is the major constituent. It is having brown color, bitter taste. It is a cultivated/grown in tropical area. It require 210 - 310°C temperature for determination an aqueous extract of tobacco sample, prereact with buffered solution of PH, reacting this in discrete analyzer with aniline and cyanogens bromide measuring intensity of yellow coloration and comparing with standard sample. It is used as bidis, cigarettes, sticks. It’s melting point 79°c. nicotine is colorless, pungent yellowish liquid having acid burning taste contains nitrogen. It is reduces anxiety, increase heart rate, stock volume, and O2 consumption rate. Diagnosed by evolution of cotinine level in saliva, blood and urine. Nicotine replacement therapy is a way of intake without smoke.