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Investigation of Plant Species with Identified Seed Oil Fatty Acids in Chinese Literature and Analysis of Five Unsurveyed Chinese Endemic Species

机译：中国文献中确定的种子油脂肪酸的植物种类调查和五个未调查的中国特有物种的分析

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摘要

Diverse fatty acid structures from different plant species are important renewable resources for industrial raw materials and as liquid fuels with high energy density. Because of its immense geographical and topographical variations, China is a country with enormous diversity of plant species, including large numbers of plants endemic to China. The richness of this resource of species provides a wide range of fatty acids in seeds or other tissues, many of which have been identified by Chinese scientists. However, in the past, most publications describing analysis of these plants were written in Chinese, making access for researchers from other countries difficult. In this study, we investigated reports on seed and fruit oil fatty acids as described in Chinese literature. Six books and more than one thousand papers were collected and the identified fatty acids and relevant plant species were summarized. In total, about 240 fatty acids from almost 1,500 plant species were identified from available Chinese literature. Only about one third of these species were retrieved in the PhyloFAdb and SOFA online databases of plant fatty acids. By referring to a summary of plant species endemic to China, 277 Chinese endemic species from 68 families have been surveyed for seed fatty acids. These account for <2% of total Angiosperm species endemic to China indicating the scope of species yet to be surveyed. To discover additional new fatty acid structures that might benefit society, it is important in the future to study oilseed fatty acids of the many other Chinese endemic plants. As an example, seeds of five unsurveyed species were collected and their fatty acids were analyzed. Ricinoleic acid was detected for the first time in the Salicaceae family.
机译：来自不同植物物种的多种脂肪酸结构是重要的可再生资源，可用于工业原料和高能量密度的液体燃料。由于其巨大的地理和地形变化，中国是植物种类繁多的国家，其中包括中国特有的大量植物。这种丰富的物种资源在种子或其他组织中提供了广泛的脂肪酸，其中许多脂肪酸已被中国科学家确定。但是，过去，大多数描述这些植物分析的出版物都是用中文编写的，这使得来自其他国家的研究人员难以获得信息。在这项研究中，我们调查了中国文献中关于种子和果油脂肪酸的报道。收集了六本书和一千多篇论文，并对鉴定出的脂肪酸和相关植物种类进行了总结。从现有的中国文献中，总共可以鉴定出近1,500种植物中的约240种脂肪酸。在PhyloFAdb和SOFA植物脂肪酸在线数据库中仅检索到了这些物种的三分之一。通过参考中国特有植物物种的摘要，对来自68个科的277种中国特有物种的种子脂肪酸进行了调查。这些占中国特有被子植物物种总数的<2％，表明尚待调查的物种范围。为了发现可能有益于社会的其他新的脂肪酸结构，将来研究许多其他中国特有植物的油籽脂肪酸非常重要。例如，收集了五个未调查物种的种子，并对它们的脂肪酸进行了分析。洋柳科家族中首次检测到了蓖麻油酸。

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