Monte Menthol Citral (eucalyptus) Sesquiterpenes COH a-Selinene Farnesol Abscisic acid Diterpenes Cembrene Vitamin present in mammalian tissue and fish oil mportant substance in the chemistry of vision) Triterpenes (shark liver oil) Tetra (present in carrots and other vegetables enzymes in the body cleave B-carotene to vitamin A) D FIGURE 26.6 Some representative terpenes and related natural products Structures are customarily depicted as carbon skeleton formulas when describing compounds of isoprenoid origin Back Forward Main MenuToc Study Guide ToC Student o MHHE Website-Phellandrene (eucalyptus) Menthol (peppermint) OH Citral (lemon grass) CH O Monoterpenes H Sesquiterpenes -Selinene (celery) Farnesol (ambrette) OH O OH CO2H Abscisic acid (a plant hormone) Diterpenes Cembrene (pine) OH -Carotene (present in carrots and other vegetables; enzymes in the body cleave -carotene to vitamin A) Triterpenes Squalene (shark liver oil) Tetraterpenes Vitamin A (present in mammalian tissue and fish oil; important substance in the chemistry of vision) FIGURE 26.6 Some representative terpenes and related natural products. Structures are customarily depicted as carbon skeleton formulas when describing compounds of isoprenoid origin. Back Forward Main Menu TOC Study Guide TOC Student OLC MHHE Website