欢迎来到麦多课文档分享! | 帮助中心 海量文档,免费浏览,给你所需,享你所想!
麦多课文档分享
全部分类
  • 标准规范>
  • 教学课件>
  • 考试资料>
  • 办公文档>
  • 学术论文>
  • 行业资料>
  • 易语言源码>
  • ImageVerifierCode 换一换
    首页 麦多课文档分享 > 资源分类 > PPT文档下载
    分享到微信 分享到微博 分享到QQ空间

    Bio 445 Toxins Presentation.ppt

    • 资源ID:378956       资源大小:654.50KB        全文页数:18页
    • 资源格式: PPT        下载积分:2000积分
    快捷下载 游客一键下载
    账号登录下载
    微信登录下载
    二维码
    微信扫一扫登录
    下载资源需要2000积分(如需开发票,请勿充值!)
    邮箱/手机:
    温馨提示:
    如需开发票,请勿充值!快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。
    如需开发票,请勿充值!如填写123,账号就是123,密码也是123。
    支付方式: 支付宝扫码支付    微信扫码支付   
    验证码:   换一换

    加入VIP,交流精品资源
     
    账号:
    密码:
    验证码:   换一换
      忘记密码?
        
    友情提示
    2、PDF文件下载后,可能会被浏览器默认打开,此种情况可以点击浏览器菜单,保存网页到桌面,就可以正常下载了。
    3、本站不支持迅雷下载,请使用电脑自带的IE浏览器,或者360浏览器、谷歌浏览器下载即可。
    4、本站资源下载后的文档和图纸-无水印,预览文档经过压缩,下载后原文更清晰。
    5、试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。

    Bio 445 Toxins Presentation.ppt

    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


    注意事项

    本文(Bio 445 Toxins Presentation.ppt)为本站会员(吴艺期)主动上传,麦多课文档分享仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文档分享(点击联系客服),我们立即给予删除!




    关于我们 - 网站声明 - 网站地图 - 资源地图 - 友情链接 - 网站客服 - 联系我们

    copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
    备案/许可证编号:苏ICP备17064731号-1 

    收起
    展开