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h01291木蟲 (正式寫手)
123
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[求助]
求助段落翻譯 + 化學(xué)
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In order to maintain health for the general population, a great deal of preventative measures is spent to determine both exogenous and endogenous levels of metals in foodstuffs. The target hazard quotient (THQ) was developed by US EPA (1989) as one quantitative way to evaluate potential health risks associated with long-term exposure to chemical pollutants in foodstuffs, and the THQ is a ratio between the measured concentration and the oral reference dose, weighted by the length and frequency of exposure, amount ingested, body weight and average time for non-carcinogens. A few of THQ investigations were carried out on foodstuffs with a focus on estimating health risks associated with exposure to heavy metals found in seafoods (US EPA,1989; Chien et al., 2002), milk (Chien et al., 2006), beverages (Naughton and Petro ′czi, 2008) and vegetables at mine sites (Zhuang et al., 2009), but no study reported the individual and combined THQ values for commonly consumed vegetables from markets. |

金蟲 (著名寫手)
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為了保護(hù)母體健康,采取了許多預(yù)防措施去測定食物中外源和內(nèi)源的金屬含量。 目標(biāo)危害系數(shù)(THQ)由美國環(huán)境保護(hù)局(1989)開發(fā),一種用來評價長期接觸食物內(nèi)的化學(xué)污染物所帶來的健康隱患的定量分析方法。 進(jìn)行了幾個食物的THQ調(diào)查,重點(diǎn)評估接觸海產(chǎn)食品(美國EPA,1989; Chien等人2002)、牛奶(chien等人, 2006)、飲料( Naughton和Petro′czi, 2008)和礦場附近的蔬菜( Zhuang等人, 2009)中含有的重金屬所帶來的健康風(fēng)險,然而,還沒有研究報告對于一般耗費(fèi)的市售蔬菜的單一的和聯(lián)合的THQ評價。 |
木蟲 (正式寫手)
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為保證大多數(shù)人的健康,采取了許多預(yù)防措施來確定食材中內(nèi)在和外來的金屬含量。 US EPA (1989)將靶標(biāo)危害系數(shù)(THQ)定義為測量值與標(biāo)準(zhǔn)劑量的比值(通過接觸非致癌物質(zhì)的時間長短及頻率,獲取量,體重,平均時間進(jìn)行測量),它是一種定量的評價因接觸食材中化學(xué)污染物而造成健康危機(jī)的方法。 盡管有少數(shù)對衡量食材中,如海產(chǎn)品(美國EPA,1989; Chien等人2002)、牛奶(chien等人, 2006)、飲料( Naughton和Petro′czi, 2008)、礦區(qū)附近的蔬菜( Zhuang等人, 2009)的重金屬對健康的危害進(jìn)行報道,但是卻對對日常市場中購買的蔬菜中的個體和平均THQ值有過研究。 |
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