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欧盟评估微藻三角褐指藻干生物质的乙醇提取物作为新型食品的安全性

放大字体  缩小字体 时间:2023-07-20 11:26 来源:食品伙伴网 作者: 泽夕    浏览:204  原文:
核心提示:2023年7月12日,据欧盟食品安全局(EFSA)消息,欧盟营养、新型食品和食物过敏源(NDA)研究小组就微藻三角褐指藻干生物质的乙醇提取物(an ethanolic extract of the dried biomass of the microalga Phaeodactylum tricornutum)作为新型食品的安全性发表科学意见。
   食品伙伴网讯  2023年7月12日,据欧盟食品安全局(EFSA)消息,欧盟营养、新型食品和食物过敏源(NDA)研究小组就微藻三角褐指藻干生物质的乙醇提取物(an ethanolic extract of the dried biomass of the microalga Phaeodactylum tricornutum)作为新型食品的安全性发表科学意见。
 
  经过评估,专家小组得出结论,在拟议用途和使用水平下,生物固氮的安全性尚未得到证实。部分原文报道如下:
 
  Following a request from the European Commission, the EFSA Panel on Nutrition, Novel Foods and Food Allergens (NDA) was asked to deliver an opinion on an ethanolic extract of the dried biomass of the microalga Phaeodactylum tricornutum as a novel food (NF) pursuant to Regulation (EU) 2015/2283. The NF is an ethanolic extract of the dried biomass of the microalga P. tricornutum diluted in a medium-chain triglyceride oil carrier, with standardised fucoxanthin and tocopherol content. The main component of the NF is fat (78% on average), followed by crude protein (10% on average). The Panel is of the view that a consistent and safe production process has not been demonstrated. Additionally, the Panel considers that the information provided on the composition of the NF is not complete and may raise safety concerns. The applicant proposed to use the NF as a food supplement at the use level of 437 mg/day, with the target population being adults, excluding pregnant and breastfeeding women. There is no history of use of the NF or of its source, i.e. P. tricornutum. The Panel notes that the source of the NF, P. tricornutum, was not granted the qualified presumption of safety (QPS) status by the EFSA Panel on Biological Hazards (BIOHAZ), due to the lack of a safe history of use in the food chain and on its potential for production of bioactive compounds with toxic effects. There were no concerns regarding genotoxicity of the NF. In the 90-day study provided, a number of adverse effects were observed, some of them seen already at the lowest dose tested (750 mg/kg body weight (bw) day), which was identified by the Panel as the lowest-observed-adverse-effect-level (LOAEL). The potential phototoxicity of pheophorbide A and pyropheophorbide A in the NF was not addressed in this study. Although noting the uncertainties identified by the Panel regarding the analytical determination of these substances in the NF and the limitations in the publicly available toxicity data, a low margin of exposure (MoE) was calculated for these substances at the proposed use levels. The Panel concludes that the safety of the NF under the proposed uses and use levels has not been established.
 
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日期:2023-07-20
 

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