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| DOI | 10.1007/s11367-024-02317-7 |
| Life cycle assessment of conventional and organic Arabica coffees: from farm to pack | |
| 发表日期 | 2024 |
| ISSN | 0948-3349 |
| EISSN | 1614-7502 |
| 英文摘要 | PurposeThe aim of this study was to update the previously LCA study of the coffee production in Brazil in order to estimate environmental indicators, namely carbon footprint, water use, fossil resource depletion, etc. of coffee cultivation in the main regions of coffee production in Brazil, besides roasted coffee beans and ground roasted coffee.MethodsThe scope was to evaluate the coffee production systems located at Minas Gerais and S & atilde;o Paulo States, which have different climatic conditions. The system boundaries considered the stages from raw material extraction until the farm gate (green coffee beans) and industry gate (roasted coffee beans and ground roasted coffee), i.e., a cradle-to-gate system. Farm-specific data were combined with agricultural production and industrial data to elaborate coffee production environmental indicators. The data were obtained from conventional and organic coffee producers for the crops 2017/18 and 2018/19. The functional unit adopted was 1 kg green coffee beans and 1 kg roasted coffee beans and ground roasted coffee.Results and discussionA reduction of fertilizers and electricity consumption and an increase of diesel and limestone consumption were observed when the results of conventional coffee cultivation are compared with our previous study developed for the crops 2001/2002 and 2002/2003. Approximately 70% of the CO2 emissions was due to field emissions related to urea and limestone applications. Field emissions are also the major contributor for other seven impact categories evaluated. Climate change, including biogenic carbon and land use change, showed negative values for green coffee beans due to carbon fixation in the product. Fertilizer production was responsible for approx. 60% of fossil resource scarcity.ConclusionsFor conventional coffee, the GWP100 was approx. 1.4 kg CO2-eq. kg-1 green coffee beans and 1.8 kg CO2-eq. kg-1 roasted coffee beans and ground roasted coffee. For organic coffee, the GWP100 was approx. 0.3 kg CO2-eq. kg-1 green coffee beans and 0.5 kg CO2-eq. kg-1 roasted coffee beans and ground roasted coffee. The use of water is also low, as the farms evaluated do not adopt the irrigation system at the coffee growing stage.RecommendationsImprovements should be concentrated on the agricultural stage of the coffee production chain since this is the stage with the greatest contribution to the environmental impact categories. Some examples that can contribute to reducing GHG emissions as well as other environmental impact categories are increasing productivity, lower input consumption (fertilizers, correctives, and fuels), and optimizing transport stages. |
| 英文关键词 | Green coffee; Roasted coffee beans; Ground roasted coffee; Global warming potential; Water use; LCA; Environmental impact assessment |
| 语种 | 英语 |
| WOS研究方向 | Engineering ; Environmental Sciences & Ecology |
| WOS类目 | Engineering, Environmental ; Environmental Sciences |
| WOS记录号 | WOS:001229227000001 |
| 来源期刊 | INTERNATIONAL JOURNAL OF LIFE CYCLE ASSESSMENT
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| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/306244 |
| 推荐引用方式 GB/T 7714 | . Life cycle assessment of conventional and organic Arabica coffees: from farm to pack[J],2024. |
| APA | (2024).Life cycle assessment of conventional and organic Arabica coffees: from farm to pack.INTERNATIONAL JOURNAL OF LIFE CYCLE ASSESSMENT. |
| MLA | "Life cycle assessment of conventional and organic Arabica coffees: from farm to pack".INTERNATIONAL JOURNAL OF LIFE CYCLE ASSESSMENT (2024). |
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