Integrating medicinal plants extraction into a high-value biorefinery: An example of Artemisia annua L.

Integrating medicinal plants extraction into a high-value biorefinery: An example of Artemisia annua L.
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将药用植物提取整合到高价值生物精炼中:以青蒿为例。

DOI:
10.1016/j.crci.2013.10.023
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发表时间:
2014
影响因子:
1.6
通讯作者:
Lapkin A
Lapkin A
中科院分区:
化学4区
文献类型:
--
作者:
Lapkin A

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将生物精炼原则扩展到药用植物,以期为生物质生产者和提取者发展更可持续的商业模式。对于目前在野外栽培或收获的黄花蒿(Artemisia annua L.)来说,这一点得到了证明,用于提取一种化合物,即青蒿素,平均含有植物生物量干重的1wt %。采用对细菌无害的四氟乙烷发酵溶剂,将青蒿素的提取工艺扩大到5升中试规模。我们确定了一些可以与青蒿素一起从植物中提取的共代谢物,并描述了多步骤提取-分离序列,这些序列可能会转移到大规模的多步骤提取过程中。我们还展示了基于黄酮类化合物转化为单体的黄酮类化合物次生代谢产物的可能途径。
A principle of biorefining is extended to medicinal plants with the view of developing a more sustainable business model for biomass producers and extractors. This is demonstrated for Artemisia annua L. currently cultivated or harvested in the wild for extraction of a single compound, artemisinin, comprising on average 1 wt% dry weight of the plant biomass. We scaled extraction of artemisinin by a non-toxic to bacterial fermentation solvent tetrafluoroethane to a 5 L pilot scale. We identified a number of co-metabolites that could be extracted from the plant along with artemisinin and describe the multi-step extraction-fractionation sequence that potentially could be transferred to a large-scale multi-step extraction process. We also show possible routes to higher-value compounds on the basis of A. annua secondary metabolites, exemplified by the conversion of flavonoids to monomers.
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DOI: --
发表时间: 2007
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