Wu Xiaopan, Zhao Xiaole, Hu Jiayong, Li Shiwen, Guo Xiao, Wang Qiao, Liu Yan, Gong Zhiyong, Wu Yongning, Fang Min, Liu Xin
Key Laboratory for Deep Processing of Major Grain and Oil (The Chinese Ministry of Education), College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, Hubei, China.
Key Laboratory of Detection Technology of Focus Chemical Hazards in Animal-derived Food for State Market Regulation, Hubei Provincial Institute for Food Supervision and Test, Wuhan 430075, China.
Food Chem X. 2024 Jul 26;23:101697. doi: 10.1016/j.fochx.2024.101697. eCollection 2024 Oct 30.
Microalgae are a promising sustainable food source with high nutritional value and environmental benefits. This study investigated the presence of toxic metals and rare earth elements (REEs) in 68 microalgal-based food products and conducted a probabilistic risk assessment to evaluate potential health risks. The findings revealed high detection rates of REEs (80.96% to 100%) and heavy metals (83.82% to 100%), with REE concentrations ranging from 0.0055 to 0.5207 mg/kg. Heavy metals were detected at the following average concentrations: As (2.80 mg/kg) > Cr (1.27 mg/kg) > Pb (0.30 mg/kg) > Cd (0.20 mg/kg) > Hg (0.01 mg/kg). Carcinogenic risk analysis for Cd (3.004 × 10), Cr (1.484 × 10), and As (1.1283 × 10) indicated that 95th percentile values exceeded established safety thresholds (10). These findings highlight the critical need for stringent monitoring and the establishment of comprehensive regulatory frameworks for the safety of novel microalgae foods.
微藻是一种很有前景的可持续食物来源，具有高营养价值和环境效益。本研究调查了68种微藻基食品中有毒金属和稀土元素（REEs）的存在情况，并进行了概率风险评估以评估潜在健康风险。研究结果显示REEs（80.96%至100%）和重金属（83.82%至100%）的检出率很高，REE浓度范围为0.0055至0.5207毫克/千克。检测到的重金属平均浓度如下：砷（2.80毫克/千克）>铬（1.27毫克/千克）>铅（0.30毫克/千克）>镉（0.20毫克/千克）>汞（0.01毫克/千克）。对镉（3.004×10）、铬（1.484×10）和砷（1.1283×10）的致癌风险分析表明，第95百分位数超过了既定安全阈值（10）。这些发现凸显了对新型微藻食品安全性进行严格监测和建立全面监管框架的迫切需求。
