Antioxidant, Pancreatic Lipase Inhibitory, and Tyrosinase Inhibitory Activities of Extracts of the Invasive Plant <i>Spartina anglica</i> (Cord-Grass)
Since 2016, the invasive halophyte <i>Spartina anglica</i> has been colonizing mudflats along the western coast of South Korea. In order to minimize costs on <i>S. anglica</i> expansion management and waste-treatment of collected biomass, the potential application of the coll...
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| Main Authors: | , , , , , , , |
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| Format: | Book |
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MDPI AG,
2021-02-01T00:00:00Z.
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| Summary: | Since 2016, the invasive halophyte <i>Spartina anglica</i> has been colonizing mudflats along the western coast of South Korea. In order to minimize costs on <i>S. anglica</i> expansion management and waste-treatment of collected biomass, the potential application of the collected biomass of <i>S. anglica</i> was investigated. Ethanolic extracts and subfractions thereof (hexanes, methylene chloride, ethyl acetate, 1-butanol, and water-soluble) of the aerial and belowground parts of <i>S. anglica</i> showed free radical-scavenging [2,2-diphenyl-1-picrylhydrazyl (DPPH), and 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS)], tyrosinase inhibitory, and pancreatic lipase inhibitory activities. An ethyl acetate fraction derived from aerial parts (EA-a) showed the most potent radical-scavenging and pancreatic lipase inhibitory activities, whereas tyrosinase inhibition was mainly observed in the methylene chloride soluble fractions (MC-bg) and other lipophilic fractions (ethyl acetate and hexanes layers) obtained from belowground parts. The major EA-a compound isolated and identified was 1,3-di-<i>O</i>-<i>trans</i>-feruloyl quinic acid (<b>1</b>) based on spectroscopic analysis, whereas the two major MC-bg compounds were identified as <i>p</i>-hydroxybenzaldehyde (<b>2</b>) and <i>N</i>-<i>trans</i>-feruloyltyramine (<b>3</b>). Compounds <b>1</b> and <b>3</b> scavenged both DPPH and ABTS radicals, whereas <b>1</b> and <b>2</b> inhibited pancreatic lipase activity. These results indicate that extracts and fractions of <i>S. anglica</i> have antioxidant, anti-obesity, and whitening properties with potential pharmaceutical, cosmeceutical, and functional food applications. |
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| Item Description: | 10.3390/antiox10020242 2076-3921 |