Chem 181 Topics 1-4 (Midterm 1).docx - Pomegranates-Eve tempted Adam with an apple fruit of knowledge unknown to artists in middle ages but likely was a

Chem 181 Topics 1-4 (Midterm 1).docx - Pomegranates-Eve...

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Pomegranates -Eve tempted Adam with an apple – fruit of knowledge, unknown to artists in middle ages, but likely was a pomegranate bc they grew in that part of the world -has anticancer properties – aromatase inhibitors -lab, culture breast cancer cells, drown in juice, they multiply less quickly -laetrile, no effect on cancer Flax seeds -have omega 3 fats-converted to fishy variety when ingested, reduction of cardiac arrhythmia -Lignans & Isoflavines - have estrogen like properties (controversial) -Reduce breast cancer risk in women (only in premenopausal, overweight women) – lignans seem to block estrogen receptors -fiber -(insoluble/indigestible) – has laxative effect -soluble – can lower cholesterol Eggs -linked to heart disease – egg yolk has high cholesterol -feed chickens flax seeds to increase omega 3 in eggs Cholesterol -trans fats increase cholesterol -Beta glucan- 3 grams daily needed to reduce high cholesterol Processed Food -Sliced white bread-contains preservatives - Calcium propionate -inhibits mold growth -consuming an average of 60g of processed meat a day increases risk of developing colorectal cancer by 50% Red Wine -Resveratrol : antioxidant, can reduce heart disease -contains alcohol: carcinogen, can cause cancer (mouth, throat, breast) Cooking -High temperatures -formation of polycyclic hydrocarbons & advanced glycation end products (produced when we charcoal broil) Fruits & Vegetables -Consuming 8 servings, cut down risk of heart disease, cancer & diabetes Perspectives
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-Every 3.6 seconds, someone dies from hunger -Imagine world as 100 people; 50 men, 50 women, 17 illiterate, 16 malnourished, 21 overweight, 7 have **college** education - Orthorexia nervosa – fear of only eating the right foods -“eat food, not too much, mostly plants”- Michael Pollan · Plumpy Nut: peanut based, protein based food produced for countries with malnourishment · Functional Foods: Probiotic yogurt, omega 3 eggs, oat bran cereal, calcium enriched oj, vitamin water, vitamin D to milk · Freeganism: find food that’s been thrown out but good to eat · Rawsome : only consume raw foods, movement in California · Insects : fine source of protein, especially grasshoppers · Antoine Lavoisier : determine how much CO2 made by eating (while their food oxidized), conservation of mass demonstrated · CaSO4 made bread seem thicker – movement of trickery (malpractice) Food Consumption: US vs India -more rice, legumes and cereals consumed in India -more wheat, starches, vegetables, fruits, meats, eggs, milk products, fats & oils consumed in US Cellular Bilayer: Transporters, linkers, receptors, enzymes Water : 96% in watermelon, 98% in radishes Macronutrients : Fat : 9 cal/g, Protein : 4 cal/g, Carbs : 4 cal /g, Fiber 2cal/g sugar Micronutrients : Vitamins & Minerals (very small amounts) Facts: ~ 15 million active researchers, ~26 million publications (1996-2011) Nature of Scientific Research 1) Simultaneous discovery happens 2) Credit/patent issues 3) Ego issues Types of Publications 1) Journals 2) Books 3) Reviews 4) Full papers 5) Notes 6) Communications Academic Research
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  • Spring '11
  • Multiple
  • Nutrition, Vitamin, Trans fat, glycation end products

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