Results 41 to 50 of about 3,313 (164)

In vitro lead accumulation in Gracilaria coronopifolia and Gracilaria eucheumoides

open access: yesJournal of Environment and Aquatic Resources, 2009
The effects of lead at different concentrations (0.02, 0.10, 1.0 and 5.0 ppm) on growth rate, total chlorophyll content, and dissolved oxygen production of Gracilaria coronopifolia and Gracilaria eucheumoides were investigated under laboratory conditions.
openaire   +1 more source

Comparative Study of Sulfated Polysaccharides From Ulva Lactuca Grown in Tunisia and Morocco: in Vitro Antioxidant Activity and in Vivo Anti‐Inflammatory and Anti‐Ulcer Effects

open access: yesChemistry &Biodiversity, Volume 23, Issue 3, March 2026.
ABSTRACT This study presents a comparative analysis of sulfated polysaccharides extracted from Ulva lactuca collected in Tunisia (PSUT) and Morocco (PSUM). FTIR confirmed the presence of sulfate groups, while GC‐MS identified diverse sugar components. Both polysaccharides showed strong antioxidant activity, with DPPH and ABTS radical scavenging rates ...
Nourhene Kharrat   +7 more
wiley   +1 more source

The organizing effects of elevated CO2 on competition among estuarine primary producers

open access: yesScientific Reports, 2017
Fossil fuel combustion, eutrophication, and upwelling introduce excess CO2 into coastal zones. The extent to which marine autotrophs may benefit from elevated CO2 will be a function of their carbon limitation and, among other factors, competition with ...
Craig S. Young, Christopher J. Gobler
doaj   +1 more source

Agar content of estuarine seaweed Gracilaria using different cultivation methods

open access: yesApplied Food Research, 2022
Red algae Gracilaria is one of the most cultivated seaweeds and a major source of agar in the world. Gracilaria demonstrates easy propagation, high growth rates, and tolerance to a broad range of salinities.
Madalena Mendes   +5 more
doaj   +1 more source

Red Algae From Insular Environments in the Mexican Atlantic: Taxonomic Diversity, Conservation, and Biogeographic Affinities

open access: yesEcology and Evolution, Volume 16, Issue 3, March 2026.
In this study, we present the first analysis of diversity and distribution of red algae from insular environments in the Mexican Atlantic, with the aim to identify and describe their patterns of taxonomic diversity, to propose priority areas for conservation, and show their biogeographical affinities.
Martha Isabel Vilchis   +5 more
wiley   +1 more source

The Antibacterial and Immunomodulatory Effects of Carbohydrate Fractions of the Seaweed Gracilaria persica

open access: yesJournal of Medical Microbiology and Infectious Diseases, 2018
Introduction: Red seaweeds are the source of polyanionic polymers that play a critical role in ionic, mechanical, and osmotic functions of the cells. The Gracilaria polysaccharides have numerous biological activities.
Mohammad Khosravi   +3 more
doaj  

Kinetic modelling of Okra and Gracilaria corticata hydrocolloid mucilage polysaccharides [PDF]

open access: yesPizhūhish va Nuāvarī dar ̒Ulūm va Sanāyi̒-i Ghaz̠āyī
The biopolymer has become essential component in the recent years to overcome the environmental issues raised from the synthetic polymer. In this aspect we attempt to make such valuable and economical important biopolymer from the natural sources such as
Ramesh Subramani   +2 more
doaj   +1 more source

Health Benefits of Polysaccharides in Red Algae: A Comprehensive Review

open access: yesFood Frontiers, Volume 7, Issue 2, March 2026.
Graphical abstract showing the health benefits of red algal polysaccharides. ABSTRACT Humans have long consumed red algae (especially by the Asian community), and their polysaccharide extracts (carrageenan, agar) are extensively used in the food industry as gel thickeners.
Sammueal Jun Kai Ong   +10 more
wiley   +1 more source

The complete plastid genome and phylogenetic analysis of Gracilaria textorii

open access: yesMitochondrial DNA. Part B. Resources, 2019
The complete plastid genome of Gracilaria textorii, a marine red macroalga, was determined and analyzed. The plastid genome sequence of G. textorii is 179,609 bp. It contains 237 genes, including 203 protein-encoding genes, 30 tRNA genes, 3 rRNA genes, 1
Weizhou Chen   +4 more
doaj   +1 more source

Fortifikasi Kue Keik menggunakan Bubuk Gracilaria SPP. dan Sargassum Filipendula sebagai Sumber Asam Lemak Omega 3 dan Iodium.

open access: yesJurnal Pascapanen dan Bioteknologi Kelautan dan Perikanan, 2017
Riset fortifikasi bubuk Gracilaria spp. dan Sargassum filipendula sebagai sumber asam lernak omega‑3 dan iodium ke dalam kue keik (cake) telah dilakukan.
M. Darmawan Darmawan   +2 more
doaj   +1 more source

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