The Open Bioactive Compounds Journal


ISSN: 1874-8473 ― Volume 8, 2020

High Value-Added Biomolecules from Beach Waste of Marine Origin-Screening for Potential Candidates among Seagrass of the Cymodoceaceae Family

Micheline Grignon-Dubois*, Bernadette Rezzonico
Université Bordeaux, EPOC, UMR 5805, F 33600, Pessac, France



Detrital leaves from seagrass of the Cymodoceaceae family were assayed for biologically active molecules that have commercial as well as societal benefits.


We focused on L-chiro-inositol, a very rare natural occurring cyclitol, and chicoric acid, a polyphenolic compound, in which both applications were found in the nutraceutical segment.


Six species of seagrass belonging to the genera Syringodium, Cymodocea and Halodule were collected from their native habitat. The L-chiro-inositol content of the crude aqueous extracts prepared from different batches of Cymodocea nodosa flotsam was measured by quantitative 1H-NMR spectroscopy. High concentrations were found with values ranging from 22.2 to 35.0 mg.g-1 plant dw. The presence of L-chiro-inositol in the tropical species C. rotundata, C. serrulata, Syringodium isoetifolium, and Halodule pinifolia was also characterized by qualitative NMR. The chicoric acid content of crude aqueous methanolic extracts prepared from C. rotundata, C. serrulata, S. isoetifolium, and Halodule pinifolia was determined by quantitative HPLC-DAD. The values found ranged from 0.39 to 6.15 mg.g-1 dry weight. Chicoric acid was unambiguously identified as the major phenolic in S. isoetifolium, and Halodule pinifolia, while it was found in mixture with flavonol derivatives in C. rotundata and C. serrulata. Flavonol derivatives are also of interest for their bioactivity.


Considering the demonstrated therapeutic applications of L-chiro-inositol and chicoric acid, their high value on the nutraceutical market, and their rare occurrence in the plant kingdom, their presence in Syringodium, Cymodocea and Halodule detrital leaves makes this abundant biomass of interest for dietary and pharmaceutical applications.


These results show that there is a real potential for harvesting beachcast Cymodoceacea.

Keywords: L-Chiro-Inositol, Chicoric Acid, Cymodoceaceae Family, Cymodocea, Syringodium, Halodule, Quantitative NMR and HPLC.

Article Information

Identifiers and Pagination:

Year: 2017
Volume: 5
First Page: 83
Last Page: 94
Publisher Id: TOBCJ-5-83
DOI: 10.2174/1874847301705010083

Article History:

Received Date: 29/06/2017
Revision Received Date: 29/11/2017
Acceptance Date: 15/12/2017
Electronic publication date: 29/12/2017
Collection year: 2017

© 2017 Grignon-Dubois and Rezzonico

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: ( This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Université Bordeaux, UMR 5805, EPOC, Bat B18; F33600 Pesac,France, Tel: +33-5-40002290; E-mails:,

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