When considering whether any particular flavouring agent is allowed to be added to foods , we will take reference from safety evaluation done by international food safety authorities such as jecfa . 6 . is sorbitol a permitted sweetener in food 本署在考虑是否准许某类调味剂添加于食物内时，会参考联合国粮食及农业组织世界?生组织食物添加剂联合专家委员会等国际食物安全机构所进行的安全评估的结果。
The potential for any risks to health are assessed by comparing the dietary exposure to heavy metals with the appropriate safe exposure levels - provisional tolerable weekly intakes ptwis recommended by the joint fao who expert committee on food additives jecfa 我们把从食物摄取到重金属的分量，与粮食及农业组织世界?生组织联合食物添加剂专家委员会jecfa所建议的适当安全摄取量暂定每周可容忍摄入量
The potential for any risks to health are assessed by comparing the dietary exposure to heavy metals with the appropriate safe exposure levels - provisional tolerable weekly intakes ( ptwis ) recommended by the joint faowho expert committee on food additives ( jecfa ) 我们把从食物摄取到重金属的分量，与粮食及农业组织世界?生组织联合食物添加剂专家委员会( jecfa )所建议的适当安全摄取量暂定每周可容忍摄入量
Jan slingenbergh , an animal health expert at the united nation ' s food and agriculture organization ( fao ) in rome , italy , points out that h5n1 may survive in icy lake waters over european winters , potentially infecting any migratory birds that subsequently arrive 让?斯林根伯是联合国粮食及农业组织（简称fao ，总部位于意大利罗马）的动物健康专家，他指出： h5n1可在欧洲冬季结冰的湖水中生存，由此潜在地传染以后抵达的候鸟。
Jecfa is an independent faowho expert committee and is not part of the cac , but most priorities for assessment by jecfa originate with the cac . this is a publication of the food and public health branch of the food and environmental hygiene department of hksar government 虽然jecfa是独立的粮食及农业组织世界?生组织专家委员会，而非食品法典委员会的一部分，但jecfa所进行的评估，大部分都是由食品法典委员会设定缓急先后。
In setting new local food standards , international food standards established by the codex alimentarius commission , and scientific evaluations performed by internationally recognised authorities , such as the joint food and agriculture organisation world health organisation expert committee on food additives , and the joint fao who meeting on pesticide residues , serve as the primary references 在厘定新的本地食物安全标准时，本署主要参考食品法典委员会所订的国际食物标准，以及国际认可机构进行的科学评估结果。这些机构包括联合国粮食及农业组织世界?生组织食物添加剂联合专家委员会联合国粮食及农业组织世界?生组织农药残留除害剂专家小组联席会议。
It could be concluded that the estimated dietary exposures to inorganic arsenic , cadmium and mercury for an average secondary school student were below the ptwi established by jecfa and an average secondary school student would not experience major toxicological effects of these heavy metals 一般中学生从食物摄取无机砷镉和汞的估计分量，低于粮食及农业组织世界?生组织联合食物添加剂专家委员会所建议的暂定每周可容忍摄入量，因此，一般中学生受这些重金属的毒性影响不大。
It could be concluded that the estimated dietary exposures to inorganic arsenic , cadmium and mercury for an average secondary school student were below the ptwi established by jecfa and an average secondary school student would not experience major toxicological effects of these heavy metals 一般中学生从食物摄取无机砷、镉和汞的估计分量，低于粮食及农业组织世界?生组织联合食物添加剂专家委员会所建议的暂定每周可容忍摄入量，因此，一般中学生受这些重金属的毒性影响不大。
