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Unformatted text preview: Lecture 3 Phytochemicals 0. Chemical substances found in plants that effect health 1. Not essential, ( non- nutrients) 2. Obtained via diet Phytochemical Functions 3. Color (deep red color of tomatoes : lycopene) 4. Flavor ( burning in your mouth : capsaicin) 5. Odor ( aromatic odor of onion and garlic : Alicin) Phytochemicals & Disease 6. May prevent : hasnt been able to prove cause&effect 0. Cancer ( colon, breast, lung, bladder) 1. Heart Disease 2. Diabetes May relax blood vessels Phytochemicals & Disease Cancer - 2 nd Leading cause of death in N. America (1 st leading cause of death is heart disease) - 1500 people die everyday in the U.S.- Cancer related expenses: >$100 billion/year- 1/3 of all Cancers in N.America are due to: tobacco use - of Cancers of mouth, pharynx, larynx are associated with: heavy alcoholism (EtOH) Disease Prevention 7. Act like: hormones 8. Antioxidants 9. Block enzymes that promote cancer 10. DECREASES cholesterol ( alicin in garlic) Types of Phytochemicals 0. INDOLES 0.0....
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- Spring '11