循环经济框架下新型生物基材料的红藻巨型胶状体(胶状体)

IF 1.6 4区 地球科学 Q3 GEOSCIENCES, MULTIDISCIPLINARY Earth Interactions Pub Date : 2022-06-29 DOI:10.3390/earth3030045
T. Mouga, Isabel Fernandes
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引用次数: 5

摘要

角质层胶藻(巨型胶藻或大西洋琼脂)是一种著名的红海藻,因其高质量的琼脂含量而收获。琼脂是多种多糖的混合物,在食品工业中用作胶凝剂、增稠剂、澄清剂和稳定剂。最好的琼脂质量也用于实验室作为细菌琼脂。然而,近年来,该物种已被研究用于许多其他应用。用途包括药品、化妆品、食品补充剂、生物修复、生物燃料、生物肥料和生物刺激剂、生物材料和纳米晶体等。然而,这种生物质的使用引起了人们对资源可持续性的担忧,因为这不是一种栽培物种,而是在野外收获的。因此,角质角生物量的其他用途增加了已经因气候变化而受到压力的野生种群的压力。然而,在生物炼制方法中,一种新的趋势正在出现,即使用废弃的生物质而不是收获的生物质来生产新的生物基材料。这些都是将废物转化为创新产品的智能解决方案,对社会各个部门都有用,同时减少生物质开发的影响。本文就角质菜的生物学、生态学、威胁、利用和市场现状以及在循环经济框架下的创新建议等方面进行了综述。
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The Red Seaweed Giant Gelidium (Gelidium corneum) for New Bio-Based Materials in a Circular Economy Framework
Gelidium corneum (Giant Gelidium or Atlantic agar) is a well-known red seaweed harvested for its high-quality agar content. Agar is a mixture of the polysaccharides used in the food industry as a gelling, thickener, clarifying, and stabilizer agent. The best agar quality is also used in the laboratory as bacteriological agar. Yet, in recent years, the species has been studied for many other applications. Examples of uses are pharmaceuticals, cosmetics, food supplements, bioremediation, biofuels, biofertilizers and biostimulants, biomaterials, and nanocrystals, among others. The use of this biomass, though, raises concerns about the sustainability of the resource, since this is not a cultivated species, being harvested in the wild. Thus, other uses of G. corneum biomass increase pressure on wild stocks already stressed due to climate change. However, in a biorefinery approach, a new trend is emerging, using waste biomass rather than harvested biomass to produce new bio-based materials. These are smart solutions that transform waste into innovative products, useful for various sectors of society while reducing the impact of biomass exploitation. The aim of this review paper, thus, is to address the current state of G. corneum biology, ecology, threats, its current uses and market, and the ongoing research on innovative proposals in a circular economy framework.
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来源期刊
Earth Interactions
Earth Interactions 地学-地球科学综合
CiteScore
2.70
自引率
5.00%
发文量
16
审稿时长
>12 weeks
期刊介绍: Publishes research on the interactions among the atmosphere, hydrosphere, biosphere, cryosphere, and lithosphere, including, but not limited to, research on human impacts, such as land cover change, irrigation, dams/reservoirs, urbanization, pollution, and landslides. Earth Interactions is a joint publication of the American Meteorological Society, American Geophysical Union, and American Association of Geographers.
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