Bio 445 Toxins Presentation.ppt

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1、Bio 445 Toxins PresentationlName 1lName 2lName 3lName 4Everyday Uses for Toxic SubstanceslThere are many products that we use everyday that contain substances that are toxic. In excess, these substances can cause severe damage to the human body, but they are still widely marketed.lToxins can be foun

2、d in cleaning supplies, hygiene and cosmetic products and also in foods. This presentation will explore and expose the products that contain toxins and their uses.Toxins in Household Cleaning Products:Silica:l Naturally occurring product that is made of finely ground quartzl Toxic Properties: Carcin

3、ogen when inspiredl Commercial Products: Abrasive cleaners such as toothpastes, bathroom cleaners and kitchen products.l Ajax, All Laundry soap, Comet Powder and Twinkle Copper and Brass PolishToluene:l Derived from the tropical Colombian tree Myroxylon balsamum. l Toxic Properties: Causes harm to d

4、eveloping fetuses and used as an inhalant drugl Commercial Products: Solvents like paint thinners, paint, floor and furniture polish and nail enamels l Behr the Stripper, Nail EnamelHydrochloric acid:l Produced in the human body in the gastrointestinal tractl Toxic Properties: Corrosive to the eyes

5、and skin (irritant)l Commercial Products: Cleaning product (in the UK) and used to produce other household products like PVC plastic and leather processingl Spirits of Salt, leather and PVC plastic pipeLye:l Derived from the ashes of hard woodsl Toxic Properties: Severely damages the stomach and eso

6、phagus if ingestedl Commercial Products: Soaps, to cure foods such as green olives, pretzels, hominy, and drain and oven cleaners Toxins in Hygiene and Cosmetic Products: Parabens: l A group of chemicals used primarily for their bacteriocidal and fungicidal propertiesl Toxic properties: evidence of

7、the endocrine, reproductive and developmental system effects, increased risk of breast cancerl Commercial products: Food (as a preservative up to 1%), cosmetics such as shampoos, moisturizers, shaving gels, cleansing gels, personal lubricants, topical/ parenteral pharmaceuticals, spray tanning solut

8、ions and toothpaste Formaldehyde:l An organic chemical compound; industrially produced by the catalytic oxidation of methanoll Toxic properties: carcinogen, harmful if inhaled or absorbed through skin, causes irritation to skin, eyes and respiratory tract, may be fatal or cause blindness if swallowe

9、dl Commercial products: perfumes, colognes and disinfectantsFlouride:l The reduced form of flourine ; both organic and inorganic compounds containing the element flourine are considered flouridesl Toxic properties : sarin is the most toxic form of flouride-used as a weapon of mass destruction ; flou

10、ride poisoning is lethal in low doses (sodium flouride)l Commercial products : binary chemical weapons, Teflon (non-stick coating), topical flouride therapy, city water (sodium flouride originally used to flouridate water)Hydrogen Peroxide:l Naturally produced as a byproduct of oxygen metabolisml A

11、weak acid ; used as a bleaching agent, a disinfectant, an oxidizer and as an anitsepticl Toxic properties : Domestic strength-causes irritation to eyes, mucous membranes and skin, Concentrated hydrogen peroxide (50% or more)-if ingested can cause internal bleeding, if inhaled can cause severe pulmon

12、ary irritationl Commercial products : Diluted hydrogen peroxide (used to bleach hair, used medically to clean wounds, used as an oral debriding agent), used by the FDA to control fungus on fish and fish eggs, when mixed properly can be used as a toothpaste and an acne treatmentToxins in Food Product

13、s: Aspartame:l Chemical created for sweetening foodsl Toxic properties: Causes impaired vision, seizures, migraines and rapid heart beat; may be linked to cancerl Commercial products: Diet sodas, artificial sweeteners and drink mixes l Diet Coke, NutraSweet and Crystal LightOlestra:l Fat substitute

14、created to appeal to customers because it contributes no fat, calories or cholesterol to food productsl Toxic properties: Causes bloody stools, diarrhea, gas, bloating and severe crampsl Commercial products: Potato chips, corn chips and fried snacksl WOW Frito-Lay chips, Fat-Free Pringles and Frito-

15、Lay Light ProductsMonosodium glutamate or MSG:l Produced by fermentation of starch, sugar beets, sugar cane, or molassesl A sodium salt of glutamate; a food additive marketed as a flavor enhancerl Toxic properties: Causes brain lesions and endocrine disordersl Commercial products: Canned soups, stoc

16、k cubes, condiments (barbecue sauce, soy sauce, steak sauce), frozen dinners, frozen seafood, flavored tortilla and potato chips, and most fast food.Lactose:l A disaccharide; commonly referred to as milk sugarl Toxic properties: lactose intolerance (inability to digest lactose caused by a shortage o

17、f the enzyme lactase)-doesnt allow the digestive system to break down lactose which can cause nausea, cramps, bloating, gas, and diarrheal Commercial products: Milk, ice cream, yogurt, cheeseReferences:l www.wikipedia.orgl WWW http:/digestive.niddk.nih.gov/ddiseases/pubs/lactoseintolerance/l www.clinicalpharmacology-l http:/www.epa.gov/iedweb00/formalde.htmll www.ada.org/public/topics/fluoride/index.aspl www.vm.cfsan.fda.gov/lrd/msg.html