据欧盟食品安全局消息，5月28日欧盟食品安全局完善了食用色素棕色HT（Brown HT）的暴露评估。
欧盟专家组采用三种方式进行评估，分别为：最大允许值暴露评估、最大允许值结合最大用量评估、最大用量评估。
相较于之前的评估，本次平均暴露评估（儿童和成年人）在同一数量级，但高水平暴露评估降低（尤其是成年人）。
就已报告的棕色HT使用水平看，平均暴露评估和高水平暴露评估低于所有人群的ADI值。
部分原文报道如下：
The European Food Safety Authority （EFSA） carried out an exposure assessment of Brown HT （E 155） taking into account additional information on its use in foods as consumed. In 2010, the EFSA Panel on Food Additives and Nutrient Sources added to Food （ANS） adopted a scientific opinion on the re-evaluation of Brown HT and concluded that dietary exposure in both adults and 1-10 year old children at the high level may exceed the Acceptable Daily Intake （ADI） for Brown HT of 1.5 mg/kg body weight （bw）/day at the upper end of the range. Following this conclusion, the European Commission requested EFSA to perform a refined exposure assessment for this food colour.
Three different scenarios were considered, including i） exposure estimates based on Maximum Permitted Levels （MPLs）， ii） a combination of MPLs and reported maximum use levels and iii） reported maximum use levels only. Considering the first two scenarios, high exposure levels （95th percentile） exceeded the ADI for all age groups, with exception for the elderly. In comparison to the previous assessment, for both children and adults, the current mean exposure estimates are of the same order of magnitude, while the 95th percentile exposure is lower, particularly in adults. The mean and high level exposure estimates of Brown HT are below the ADI for all population groups when considering the reported use levels only.
原文链接：<http://www.efsa.europa.eu/en/efsajournal/pub/3719.htm>
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