Lifecycle Assessment of Monosodium Glutamate Made from Non-Edible Biomass
Lifecycle Assessment of Monosodium Glutamate Made from Non-Edible Biomass
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DOI：
10.3390/su13073951
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发表时间：
2021-04
期刊：
影响因子：
3.9
通讯作者：
Keiji Nakamura;N. Itsubo
中科院分区：
文献类型：
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作者：
Keiji Nakamura;N. Itsubo
在泰国，露天焚烧稻米的农业残留物是一个社会问题，因为它以烟雾的形式造成空气污染。防止烟雾空气污染的一种方法是将糖基化的非食用生物质转化为谷氨酸盐（MSG）。本研究评估了非食用生物质生产的味精，并比较了使用木薯淀粉生产的味精的环境性能。本研究的范围从原料的培养到味精的生产。采用的影响类别包括碳、水和空气污染。主要数据是指年产味精的平均单位投入量和燃料消耗量。次级数据用于编制清单，即生态发明3、水足迹网络和欧洲环境评价方案/欧洲经济区空气污染物排放清单指南。我们还对健康影响进行了影响评估，并使用LIME-3对几个影响类别进行了加权。非食用生物质和木薯淀粉中的味精对人类健康的影响评估显示，每千克味精分别增加了1.92 × 10−5和3.59 × 10−5的Ddos。这种差异是由于水资源短缺和空气污染足迹的减少。我们发现，使用稻草可以防止水资源短缺和露天焚烧造成的烟雾空气污染。
The open burning of agricultural residues derived from rice is a social issue in Thailand, as it causes air pollution in the form of smoke. A way to prevent smoke air pollution is to pulverize glycosylated non-edible biomass and convert it to monosodium glutamate (MSG). This study assessed MSG produced by non-edible biomass and compared the environmental performance of MSG produced using tapioca starch. The scope of this study ranges from the cultivation of raw materials to the production of MSG. The adopted impact categories include carbon, water, and air pollution. The primary data refer to the average unit input and fuel consumption of annual MSG production. The secondary data are used for inventories, namely, Ecoinvent 3, the Water Footprint Network, and the EMEP/EEA air pollutant emission inventory guidebook. We also conducted an impact assessment of the health impacts and weighting across several impact categories using LIME-3. The human health impact assessments for MSG from non-edible biomass and tapioca starch show gains of 1.92 × 10−5 and 3.59 × 10−5 DALYs per kg MSG, respectively. This difference is due to declining water scarcity and air pollution footprints. We found that using rice straw prevents water scarcity and smoke air pollution caused by open burning.