带翅Selliguea taeniata次级代谢产物的分离、表征及其抗氧化活性

Q3 Biochemistry, Genetics and Molecular Biology Biointerface Research in Applied Chemistry Pub Date : 2022-09-11 DOI:10.33263/briac134.330
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引用次数: 0

摘要

本研究对菲律宾某些地区(如伊富高)特有的蕨类植物Selliguea taeniata叶子的甲醇提取物进行了化学探索,在那里它被用来治疗咳嗽,以促进人们的健康和福祉。虽然该蕨类植物的植物数据已被报道,但截至本研究进行时,尚未有关于其化学性质的报道,如植物化学物质和抗氧化活性。采用无水甲醇提取带绦虫风干叶。对粗提物进行浓缩,采用Folin-Ciocalteu法测定总酚含量(TPC),通过清除2,2-二苯基-1-苦酰肼(DPPH)自由基的实验评估其抗氧化活性,并进行植物化学筛选。随后,利用各种色谱技术和1H核磁共振波谱对其次生代谢物进行部分分离和部分表征。荆芥叶甲醇提取物的TPC为1669.11±0.07 mg GAE /g,抗氧化活性为85.79±0.02 ppm。粗提物中含有生物碱、类黄酮、心苷、皂苷、酚类和单宁。其次级代谢产物的部分分离表明,粗提取物可能含有原花青素或其单体单位和苷的混合物。来自伊富高的人们对Selliguea taeniata叶煎剂作为止咳剂的功效的说法可以归因于该植物的高抗氧化活性。提取物中含有酚类化合物,可能是原花青素,抑制促进炎症的弹性酶。
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Isolation, Characterization, and Antioxidant Activity of Selliguea taeniata Secondary Metabolites
This current study presents a chemical exploration of the methanolic extract of Selliguea taeniata leaves, a fern species endemic in certain regions in the Philippines, such as Ifugao, where it is used to treat cough for good health and well-being of the folks. Although botanical data of this fern are reported, there are still no reports regarding its chemical properties, such as phytochemicals and antioxidant activity, as of the time this study was conducted. The air-dried leaves of S. taeniata were extracted using absolute methanol. The crude extract was concentrated and subjected to the Folin-Ciocalteu method to determine the total phenolic content (TPC), 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging assay to evaluate its antioxidant activity, and phytochemical screening. Subsequently, various chromatographic techniques and 1H Nuclear Magnetic Resonance spectroscopy were applied to isolate and partially characterize its secondary metabolites partially. Methanolic extract of S. taeniata leaves had a TPC of 1669.11 ± 0.07 mg GAE /g of dried sample and antioxidant activity (EC50= 85.79 ± 0.02 ppm). The crude extract contained alkaloids, flavonoids, cardiac glycosides, saponins, phenols, and tannins. Partial isolation of its secondary metabolites suggested that the crude extract may contain a mixture of proanthocyanidins or its monomer units and glycosides. The claims of the folks from Ifugao on the effectivity of Selliguea taeniata leaf decoction as an antitussive can be attributed to the plant's high antioxidant activity. The extract contained phenolic compounds that could be proanthocyanidins, inhibiting elastase that promotes inflammation.
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来源期刊
CiteScore
4.80
自引率
0.00%
发文量
256
期刊介绍: Biointerface Research in Applied Chemistry is an international and interdisciplinary research journal that focuses on all aspects of nanoscience, bioscience and applied chemistry. Submissions are solicited in all topical areas, ranging from basic aspects of the science materials to practical applications of such materials. With 6 issues per year, the first one published on the 15th of February of 2011, Biointerface Research in Applied Chemistry is an open-access journal, making all research results freely available online. The aim is to publish original papers, short communications as well as review papers highlighting interdisciplinary research, the potential applications of the molecules and materials in the bio-field. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible.
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