利群的焦油量是多少
利群煙焦油量(liang)在5到11毫克之間,具(ju)體如(ru)圖:
煙(yan)(yan)焦油(you)是指吸(xi)煙(yan)(yan)者使(shi)用(yong)的(de)煙(yan)(yan)嘴內積存的(de)一層棕色(se)油(you)膩(ni)物(wu)(wu),俗稱煙(yan)(yan)油(you)。它是有機質(zhi)在缺氧條件(jian)下,不完全燃燒(shao)的(de)產物(wu)(wu)。是眾多(duo)烴類及烴的(de)氧化物(wu)(wu)、硫(liu)化物(wu)(wu)及氮化物(wu)(wu)的(de)極其復(fu)雜的(de)混合物(wu)(wu),其中包括苯(ben)并芘、鎘、砷、β荼、胺、亞硝胺以(yi)及放射性同位素等,多(duo)種致癌(ai)物(wu)(wu)質(zhi)和苯(ben)酚(fen)類、富(fu)馬酸等促癌(ai)物(wu)(wu)質(zhi)作用(yong)的(de)特(te)點,雖其量極微,但具有經(jing)常、反復(fu)、長期的(de)積累作用(yong)。
吸煙(yan)(yan)(yan)(yan)(yan)過程中(zhong)生(sheng)成(cheng)的(de)(de)煙(yan)(yan)(yan)(yan)(yan)焦(jiao)(jiao)油(you)(you)(you),約為(wei)(wei)原煙(yan)(yan)(yan)(yan)(yan)草(cao)重量(liang)(liang)的(de)(de)1~6‰,煙(yan)(yan)(yan)(yan)(yan)焦(jiao)(jiao)油(you)(you)(you)的(de)(de)產(chan)量(liang)(liang)與(yu)(yu)吸煙(yan)(yan)(yan)(yan)(yan)的(de)(de)頻(pin)率(lv)有一定的(de)(de)關(guan)(guan)系。單位(wei)時(shi)間內吸的(de)(de)次(ci)數越(yue)多(duo),焦(jiao)(jiao)油(you)(you)(you)的(de)(de)生(sheng)成(cheng)量(liang)(liang)就越(yue)多(duo)。每分鐘(zhong)吸3口煙(yan)(yan)(yan)(yan)(yan)生(sheng)成(cheng)的(de)(de)焦(jiao)(jiao)油(you)(you)(you)量(liang)(liang)幾乎(hu)比每分鐘(zhong)吸1口煙(yan)(yan)(yan)(yan)(yan)多(duo)1倍。焦(jiao)(jiao)油(you)(you)(you)的(de)(de)生(sheng)成(cheng)量(liang)(liang)也與(yu)(yu)紙煙(yan)(yan)(yan)(yan)(yan)長(chang)度有關(guan)(guan),這是可以想(xiang)像到(dao)的(de)(de),因為(wei)(wei)煙(yan)(yan)(yan)(yan)(yan)草(cao)點燃(ran)處,生(sheng)成(cheng)的(de)(de)煙(yan)(yan)(yan)(yan)(yan)焦(jiao)(jiao)油(you)(you)(you)煙(yan)(yan)(yan)(yan)(yan)霧(wu),通過紙煙(yan)(yan)(yan)(yan)(yan)未燃(ran)燒部位(wei)時(shi),其中(zhong)一部分被煙(yan)(yan)(yan)(yan)(yan)草(cao)所吸附。當(dang)點燃(ran)處越(yue)來(lai)越(yue)接近末端時(shi),生(sheng)成(cheng)的(de)(de)焦(jiao)(jiao)油(you)(you)(you)幾乎(hu)大部分都進入(ru)到(dao)吸煙(yan)(yan)(yan)(yan)(yan)者呼吸道中(zhong),一支卷煙(yan)(yan)(yan)(yan)(yan)的(de)(de)前半截與(yu)(yu)后半截生(sheng)成(cheng)的(de)(de)焦(jiao)(jiao)油(you)(you)(you)量(liang)(liang)之比約為(wei)(wei)1∶1.4,雪茄煙(yan)(yan)(yan)(yan)(yan),斗煙(yan)(yan)(yan)(yan)(yan)和(he)水(shui)煙(yan)(yan)(yan)(yan)(yan)的(de)(de)焦(jiao)(jiao)油(you)(you)(you)生(sheng)成(cheng)量(liang)(liang)都比紙煙(yan)(yan)(yan)(yan)(yan)少(shao)。
利群香煙焦油的危害
1、致癌
是(shi)確定致癌(ai)物,能(neng)誘發(fa)人體細胞突變,抑(yi)制(zhi)人體免疫功能(neng)的發(fa)揮,這已為(wei)醫學(xue)研究所證明(ming)。
2、加速血管硬化
人(ren)體衰老是一個幾(ji)十年的過程,這(zhe)幾(ji)十年里,血管(guan)(guan)(guan)逐(zhu)步硬化、喪失彈性;這(zhe)一過程是無法(fa)逆轉的,平時服用保(bao)健(jian)品只能(neng)延緩,并(bing)不能(neng)返(fan)老還(huan)童,吸(xi)煙者血液內溶有(you)一定的焦油成(cheng)分,作用于(yu)血管(guan)(guan)(guan)管(guan)(guan)(guan)壁,加(jia)速(su)血管(guan)(guan)(guan)硬化,對于(yu)腦血管(guan)(guan)(guan)和心(xin)血管(guan)(guan)(guan)這(zhe)些(xie)脆弱部分更加(jia)敏感(gan),近些(xie)年來,心(xin)腦血管(guan)(guan)(guan)疾病是影響(xiang)人(ren)們健(jian)康的第(di)一殺手(shou),與香煙有(you)著直接關系。