前一段看到某团购围脖说新西兰缺硒， 于是搜了一下“new zealand selenium”
第一个网站是：政府的网站Medsafe——This site provides information on the regulation of medicines and medical devices in New Zealand and the safe use of medicines.
“Selenium is an essential trace element. Although concentrations in New Zealand soils are low, there is no indication that this has resulted in any detrimental effects on the health of New Zealanders. With current levels of animal and poultry supplementation of selenium and consumption of imported plant foods, especially wheat and legumes, it appears that intake of selenium by most New Zealanders is at or around recommended levels, as indicated by the 1997 National Nutrition Survey and the 1997/98 New Zealand Total Diet Survey. The current recommended daily intake in the US for adults is 55μg.
Some New Zealanders take selenium supplements with the intention of reducing the oxidative damage of free radicals. The daily dose recommended on the label of these supplements is usually 50-200μg. The Dietary Supplements Regulations 1985 require supplements to have a maximum adult dose of 150μg/day. The maximum safe daily intake is 400μg.
Symptoms of selenium toxicity include a garlicky odour in the breath, fatigue, gastrointestinal symptoms, transverse lines on the nails, alopecia, and peripheral neuropathy. Treatment is by supportive care. There is no known effective antidote. Symptomatic recovery may be quite rapid, occurring within 2 weeks in one case.”作者: darkwolf 时间: 2012-10-21 22:22:11
谢谢你的推荐阅读
的确，那篇数据是晚，但是不影响结果，因为With current levels of animal and poultry supplementation of selenium and consumption of imported plant foods, especially wheat and legumes,it appears that intake of selenium by most New Zealanders is at or around recommended levels这个情况没有怎么变（个人估计，不一定准确）
你推荐的文章我也看了一遍，似乎有些偏向性，在Selenium intake and adequacy in New Zealand这一节，我觉得混淆了南北岛缺硒和食品缺硒的概念，在本节大量引用文献48（2003 / 2004 New Zealand Total Diet Survey），搜索后发现有2009的版本:
其中也提到“Mean intakes of selenium in the 2009 NZTDS are comparable to Australia, the UK, the Czech Republic and China, but are about half of the USA, and about double that of France”，并且 table 18 给出每个年龄段详细表格，除了6-12月的低于AI(平均值，并非ERA推荐值)外，其余均高于ERA(推荐值)。
太晚了，各位晚安
