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Natural product gelators and a general method for obtaining them from organisms†
Nanoscale ( IF 5.8 ) Pub Date : 2018-01-23 00:00:00 , DOI: 10.1039/c7nr08368h
Kangkang Zhi 1, 2, 3 , Haitian Zhao 1, 2, 3 , Xin Yang 1, 2, 3 , Hua Zhang 1, 2, 3 , Jiacheng Wang 1, 2, 3 , Jing Wang 1, 2, 3, 4, 5 , Joe M. Regenstein 6, 7
Affiliation  

Since the late 1980s, low molecular weight gelators (LMWGs) based on different classes of natural products have been reported. Until 2011, pure natural LMWGs (i.e., natural product gelators, NPGs) were not found. However, today only five NPGs are reported. We think that this may be due to the lack of awareness about the importance of NPGs and suitable methods to discover new NPGs. Here we illustrate the potential significance of NPGs, and present a general and efficient method for obtaining NPGs from organisms, which provides specific and important guidance to researchers for easy discovery of new NPGs from organisms in the future. Using this method, we screened a total of 64 kinds of organisms (including plants, animals and fungi), and 6 extracts with a gelation ability were tracked and isolated to yield six new NPGs. These new NPGs include new types of NPGs such as tricyclic triterpenes (1) and tetracyclic triterpenes (2), and new classes of NPGs such as steroids (4 and 5) and glycosides (6), which greatly expand the class of NPGs in the LMWG field.

中文翻译:

天然产物胶凝剂和从生物体中获得它们的一般方法

自1980年代末以来,已经报道了基于不同种类天然产物的低分子量胶凝剂(LMWG)。直到2011年,纯天然LMWG(,天然产物胶凝剂,NPG)未找到。但是,今天仅报告了五个NPG。我们认为这可能是由于缺乏对NPG重要性的认识以及发现新NPG的合适方法所致。在这里,我们说明了NPG的潜在意义,并提出了一种从生物中获取NPG的通用有效方法,该方法为研究人员提供了特定而重要的指导,以便将来从生物中轻松发现新的NPG。使用这种方法,我们筛选了总共64种生物(包括植物,动物和真菌),并跟踪并分离了6种具有胶凝能力的提取物,从而产生了6种新的NPG。这些新的NPG包括新型的NPG,例如三环三萜(1)和四环三萜(2)以及新的NPG类,例如类固醇(45)和糖苷(6),极大地扩展了LMWG领域中的NPG类。
更新日期:2018-01-23
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