Full
Outline
With the rapid expansion of China’s coffee consumption market, China has entered the ranks of the markets with the fastest growth rate in coffee consumption globally. During the initial processing of coffee, a large amount of by-products such as coffee peels and fermentation liquid are produced. Among them, the coffee fermentation liquid generated by the water-washing processing technology has the largest discharge volume (accounting for more than 80% of the total wastewater discharge) and it is the characteristic wastewater with the highest pollutant concentration. This fermentation broth is rich in recyclable components such as polysaccharides, phenolic active substances, proteins and minerals. If it is directly discharged without resource utilization treatment, it will not only cause a waste of biomass resources, but also trigger serious ecological and environmental risks. This paper combed through research findings on the resource utilization of coffee fermentation broth both in domestic and international contexts, focused on the compositional characteristics of its effective components, mainstream extraction and separation technologies, and the development direction of high-value products, meanwhile, referred to the field survey data and research progress in domestical core coffee-producing regions, and analyzed the bottleneck problems currently faced by the application of technology, looked forward to the future development trends, so as to provide theoretical support and technical references for the efficient resource utilization of coffee fermentation liquid, and help the coffee industry build a green and sustainable development model.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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