Meat versus microbial protein‒a life cycle assessment of present-day value chains
肉類対微生物タンパク質―現在のバリューチェーンのライフサイクルアセスメント (AI 翻訳)
Nina Treml, Steven Minden, Alexander Grünberger, Rebekka Volk, Andreas Rudi, F Schultmann, Anne‐Kristin Kaster
🤖 gxceed AI 要約
日本語
本研究は、豚肉と微生物タンパク質のバリューチェーンの環境影響を比較するライフサイクルアセスメントを実施。微生物タンパク質は土地利用と水使用をそれぞれ94%、70%削減できるが、地球温暖化への影響は明確でなく、非再生可能エネルギー需要は3倍に増加。持続可能性を高めるにはエネルギー需要削減と低影響炭素原料の調達が重要。
English
This study conducts a comparative LCA of pork meat and microbial protein value chains. Microbial protein reduces land and water use by 94% and 70%, respectively, but shows slightly higher global warming impact and three times more non-renewable energy demand. The global warming comparison is inconclusive due to uncertainties. Microbial protein's sustainability advantage depends on reducing energy demand and sourcing low-impact feedstocks.
Unofficial AI-generated summary based on the public title and abstract. Not an official translation.
📝 gxceed 編集解説 — Why this matters
日本のGX文脈において
日本では代替タンパク質への関心が高まっており、本論文のLCA手法は食品業界の環境負荷評価に参考になる。ただし、直接的な開示規制との関連は薄い。
In the global GX context
This paper contributes to global GX context by providing a detailed LCA comparison of conventional and novel protein sources, relevant to climate and sustainability goals. It highlights trade-offs between land/water use and energy/global warming impacts, informing policy and corporate strategy for sustainable food systems.
👥 読者別の含意
🔬研究者:This LCA provides a rigorous comparative methodology and uncertainty analysis that can inform future research on alternative proteins.
🏢実務担当者:Food companies can use these findings to assess the environmental footprint of switching to microbial protein.
🏛政策担当者:Policymakers should consider the trade-offs in resource use and energy demand when promoting alternative proteins.
📄 Abstract（原文）
Replacing meat-based protein with more sustainable options is a pivotal strategy towards the fulfillment of the United Nations Sustainable Development Goals. An ever-increasing global demand for protein-rich nutrition has to be satisfied. This study conducts a comparative life cycle assessment of two contemporary value chains—pork meat and bioreactor-based microbial protein—to evaluate their environmental impact. Pork meat production is examined based on primary data from German manufacturers, including two consecutive pig production facilities and one slaughterhouse. Microbial protein production is based on literature data covering a commercialized process and estimates are derived from process simulations. Both production processes are assessed for their impact on global warming, land use, water use, and non-renewable energy demand based on 1 kg protein output as functional unit. The results indicate that microbial protein production offers reductions in land and water use by 94% and 70%, respectively. In addition, microbial protein production shows slightly higher impacts for global warming and a three-fold increase in non-renewable energy demand, mostly resulting from the glucose syrup feedstock and energy for medium sterilization. Furthermore, the global warming impact of pork production benefits from offsets through biogas credits. A Monte Carlo simulation provides uncertainty estimators for both production chains which shows, in particular, that it is not possible to draw conclusive statements about the impact on global warming. Microbial protein demonstrates significant reductions in land and water use compared to pork, indicating strong potential for improved sustainability. However, its overall advantage depends on reducing energy demand and sourcing low-impact carbon feedstocks, which are critical prerequisites for achieving a truly sustainable profile.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.1007/s11367-026-02637-wfirst seen 2026-05-05 19:13:42
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