Phytochemical Constituents and Anticoagulation Property of Marine Algae Gelidium crinale, Sargassum hornschuchii and Ulva linza

2019 ◽  
Vol 35 (2) ◽  
pp. 381-397 ◽  
Author(s):  
S. M. Mohy El-Din ◽  
N. I. Alagawany
Author(s):  
Maria Puspham Grace ◽  
M Rajithra R ◽  
V.Ilakkiya ◽  
Dr.B.Dhanalakshmi

In the world, seaweeds or marine macro algae area unit is renewable living resources that are used as a several components like food, feed, and fertilizers. They are typically live hooked up to rock or alternative laborious substrata in coastal areas. Turbinaria found in tropical marine waters, which grows on rocky substrates. Turbinaria belongs to the class- Anthozoa, Order-Scleractinia, family-Dendrophylliidae, Genus- Turbinaria. The aim of the present study is the phytochemical analyses were evaluated for the marine algae Turbinaria conoides and Turbinaria ornate from Mandapam coast, Rameswaram, Tamil Nadu, India. To cope with the assessment of the chemical composition of assorted marine seaweeds were extracted from different solvents. The current study reveals that the seaweeds contain a high quantity of phytochemical constituents. Besides, the presence of alkaloids, terpenoids, steroids, tannins, saponins, flavonoids, phenols, coumarins, proteins, carbohydrates, quinones and glycosides from Turbinaria ornata and Turbinaria conoides. This report will lead to the isolation and characterization of these active secondary metabolites for bio-efficacy and bioactivity. Therefore, seaweed extracts possessed higher amount of phytochemicals and which proves that these selected seaweeds will have provide unique and novel metabolites of unprecedented structures, with antibacterial, antifungal, antiviral, anti-plasmodial, nematicidal, anti-inflammatory, anticancer, and anti-angiogenic activities, these bioactive compounds may provide high-quality drug candidates for pharmaceutical applications, as well as agricultural and industrial applications. KEYWORDS: Turbinaria, Coumarins, Seaweeds, Phytochemicals and Turbinaria conodies


Author(s):  
Princely S ◽  
Dhanaraju Md

  Objective: Antimicrobial drug resistance is the foremost problem faced worldwide with the current antibiotic therapy in treating infectious diseases. Marine algae were considered as a potential source of biologically active compounds with antibacterial, antifungal, antiviral, and anticancer activities.Materials and Methods: In the present investigation, the purified fractions of marine algal crude extracts of different solvents such as aqueous, ethyl acetate (EtAc), and ethanol for antioxidant (1,1-diphenyl-2-picrylhydrazyl radical scavenging assay) and antimicrobial activities (agar well diffusion assay) were evaluated.Results: The extracts of EtAc, ethanol, and water showed minimum inhibitory concentration values of 3.125, 6.25, and 12.25 μg/ml, respectively, for tested bacterial pathogens. The active fractions showed very little activity against Klebsiella pneumonia and Salmonella Typhi, and no activity was observed against Pseudomonas aeruginosa. The results of our screening showed that the EtAc marine algal fractions were active against some Gram-positive, Gram-negative bacteria and Candida albicans. The phytochemical analysis of aqueous, ethanolic, and EtAc extracts of marine algae showed the presence of the various phytochemical constituents such as carbohydrates, phenols, and amino acids. The ethanolic extracts showed the highest antioxidant activity as compared to aqueous and EtAc extracts.Conclusion: This work can be extended further to isolate, characterize, and discover more bioactive metabolites from marine algae, which can be exploited for the production of lead molecules in pharmaceuticals for the treatment of chronic diseases.


Planta Medica ◽  
2016 ◽  
Vol 82 (05) ◽  
Author(s):  
JY Bae ◽  
Z Ali ◽  
IA Khan

2006 ◽  
Vol 33 (1) ◽  
pp. 1-17
Author(s):  
Dewi Jones

John Lloyd Williams was an authority on the arctic-alpine flora of Snowdonia during the late nineteenth century when plant collecting was at its height, but unlike other botanists and plant collectors he did not fully pursue the fashionable trend of forming a complete herbarium. His diligent plant-hunting in a comparatively little explored part of Snowdonia led to his discovering a new site for the rare Killarney fern (Trichomanes speciosum), a feat which was considered a major achievement at the time. For most part of the nineteenth century plant distribution, classification and forming herbaria, had been paramount in the learning of botany in Britain resulting in little attention being made to other aspects of the subject. However, towards the end of the century many botanists turned their attention to studying plant physiology, a subject which had advanced significantly in German laboratories. Rivalry between botanists working on similar projects became inevitable in the race to be first in print as Lloyd Williams soon realized when undertaking his major study on the cytology of marine algae.


Sign in / Sign up

Export Citation Format

Share Document