Cotinine is the compound that is produced when the body metabolizes nicotine. Because nicotine is found almost exclusively in cigarette smoke, testing the body for cotinine levels is an accurate and dependable method for gauging a subject's exposure to secondhand smoke.otinine is the compound that is produced when the body metabolizes nicotine. Because nicotine is found almost exclusively in cigarette smoke, testing the body for cotinine levels is an accurate and dependable method for gauging a subject's exposure to secondhand smoke.
Linen fiber is a cellulosic fiber and cellulose is the principle element of linen. Followings are the chemical composition of linen fiber. Cellulose: 92%. Hemi-Cellulose: 2%. Lignin: 4%. Others: 2%. This is calculated in 100%. The fabric which is produced from the linen fiber that is comfortable to wear.
    Natural materials are by definition biodegradable. That means that cotton, wool, linen and silk fulfill this criterion. Cotton and linen are cellulose based (a pol â¦ ysaccharide) while wool and silk are made of protein types)wool is made of keratin as is human hair).   Natural materials are by definition biodegradable. That means that cotton, wool, linen and silk fulfill this criterion. Cotton and linen are cellulose based (a pol â¦ ysaccharide) while wool and silk are made of protein types)wool is made of keratin as is human hair).