Discovering the bioactive compounds in marine seagrasses from the Gulf of Mannar, India

IF 2.1 4区环境科学与生态学 Q3 ECOLOGY

Regional Studies in Marine Science Pub Date : 2025-05-24 DOI:10.1016/j.rsma.2025.104260

Arya Ramesh , Pinki Kumari Singh , Abinaya Kanagaraja , Meenakumari Sakthivelu , Velmurugan Devadasan , Muthezhilan Radhakrishnan , Subash C.B. Gopinath , Pachaiappan Raman

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Abstract

Seagrass meadows, often referred to as the “lungs of the sea,” are vital marine angiosperms in the coastal ecosystem. This study focuses on the metabolic profiling, mineral quantification, and antioxidant potential of five seagrass species from the Gulf of Mannar, India: Halodule uninervis, Thalassia hemprichii, Enhalus acoroides, Cymodocea serrulata, and Syringodium isoetifolium. FTIR and MRS confirmed the presence of sulfate esters and sulfate stretching. The GC-MS based metabolites identified common compounds were such as n-hexadecenoic acid, phytol, cyclic octa-atomic sulfur, and 3,7,11,15-Tetramethyl-2-hexadecen-1. The ICP-OES quantification revealed high amounts of essential elements like magnesium, calcium, and sulfur, which were further confirmed by EDAX and flame photometry. Among the solvent extracts, hexane extract demonstrated the highest antioxidant potential in S. isoetifolium, showing the most potent inhibition of 90.19 %, 96.09 %, 55.75 %, and 57.44 % in DPPH, ABTS, FRAP, and NOS assays, respectively.

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在印度马纳尔湾的海草中发现生物活性化合物

海草草甸通常被称为“海洋之肺”，是沿海生态系统中至关重要的海洋被子植物。本文研究了印度马纳尔湾五种海草的代谢谱、矿物质定量和抗氧化潜力：Halodule uninervis、Thalassia hemprichii、Enhalus acoroides、Cymodocea serrulata和Syringodium isoetifolium。FTIR和MRS证实了硫酸盐酯和硫酸盐拉伸的存在。GC-MS代谢物鉴定出的常见化合物有正十六烯酸、叶绿醇、环八原子硫和3,7,11,15-四甲基-2-十六烯-1。ICP-OES定量分析显示，样品中含有大量的必需元素，如镁、钙和硫，EDAX和火焰光度法进一步证实了这一点。在溶剂提取物中，正己烷提取物对异叶参的抗氧化能力最强，DPPH、ABTS、FRAP和NOS的抗氧化能力分别为90.19 %、96.09 %、55.75 %和57.44 %。

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来源期刊

Regional Studies in Marine Science Agricultural and Biological Sciences-Ecology, Evolution, Behavior and Systematics

CiteScore

3.90

自引率

4.80%

发文量

336

审稿时长

69 days

期刊介绍： REGIONAL STUDIES IN MARINE SCIENCE will publish scientifically sound papers on regional aspects of maritime and marine resources in estuaries, coastal zones, continental shelf, the seas and oceans.