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从海藻中生产高浓度生物乙醇的策略:从海藻中生产高浓度生物乙醇。

Strategies for the production of high concentrations of bioethanol from seaweeds: production of high concentrations of bioethanol from seaweeds.

机构信息

Laboratory of Basic and Applied Molecular Biotechnology, Graduate School of Agriculture, Kyoto University, Kyoto, Japan.

出版信息

Bioengineered. 2013 Jul-Aug;4(4):224-35. doi: 10.4161/bioe.23396. Epub 2013 Jan 11.

Abstract

Bioethanol has attracted attention as an alternative to petroleum-derived fuel. Seaweeds have been proposed as some of the most promising raw materials for bioethanol production because they have several advantages over lignocellulosic biomass. However, because seaweeds contain low contents of glucans, i.e., polysaccharides composed of glucose, the conversion of only the glucans from seaweed is not sufficient to produce high concentrations of ethanol. Therefore, it is also necessary to produce ethanol from other specific carbohydrate components of seaweeds, including sulfated polysaccharides, mannitol, alginate, agar and carrageenan. This review summarizes the current state of research on the production of ethanol from seaweed carbohydrates for which the conversion of carbohydrates to sugars is a key step and makes comparisons with the production of ethanol from lignocellulosic biomass. This review provides valuable information necessary for the production of high concentrations of ethanol from seaweeds.

摘要

生物乙醇作为石油衍生燃料的替代品引起了人们的关注。海藻已被提议作为生物乙醇生产的最有前途的原料之一,因为它们与木质纤维素生物质相比具有几个优势。然而,由于海藻中含有低含量的葡聚糖,即由葡萄糖组成的多糖,仅从海藻中转化葡聚糖不足以生产高浓度的乙醇。因此,还需要从海藻的其他特定碳水化合物成分中生产乙醇,包括硫酸多糖、甘露醇、藻酸盐、琼脂和卡拉胶。 本综述总结了目前从海藻碳水化合物生产乙醇的研究现状,其中碳水化合物向糖的转化是关键步骤,并与木质纤维素生物质生产乙醇进行了比较。 本综述为从海藻中生产高浓度乙醇提供了必要的有价值信息。

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