Library Subscription: Guest
Begell Digital Portal Begell Digital Library eBooks Journals References & Proceedings Research Collections
International Journal on Algae
SJR: 0.216 SNIP: 0.322 CiteScore™: 0.4

ISSN Print: 1521-9429
ISSN Online: 1940-4328

International Journal on Algae

DOI: 10.1615/InterJAlgae.v14.i2.50
pages 163-181

Phycochemistry and Bioactivity of Twelve Freshwater Algae of Pakistan

M. N. Khalid
Department of Botany, G.C. University Faisalabad, Pakistan
M. Shameel
Department of Botany, University of Karachi, Karachi-75270, Pakistan


Twelve commonly occurring species of freshwater benthic algae, i.e., Chara zeylanica Klein ex Willd., Cladophora glom erata (L.) Kutz., C. ok amurai (Ueda) van den Hoek, Gloeotrichia raciborskii Wolosz., Lyngbya m ajuscula (Dillwyn) Harv., L. m artensiana Menegh., Microcystis aeruginosa (Kutz.) Kutz., Microspora floccosa (Vaucher) Thur., Nitella hyalina (De Candolle) C.A. Agardh, Oscillatoria princeps Vaucher, Spirogyra hyalina Cleve,, and S. rhizoides Randhawa have been collected from different areas in Sindh Province of Pakistan. These algae, which belong to three phyla Cyanophycota, C hlorophycota and Charophycota, have been investigated phycochemically as well as from the viewpoint of bioactivity, and the results obtained were compared with those of their counterparts found in the estuarine and marine environments. A variety of saturated and unsaturated fatty acids were detected in the methanol extracts of the investigated algal species and analyzed as methyl esters qualitatively as well as quantitatively through GLC and GC-MS techniques. Also, several hydrocarbons, sterols, terpenes, carbohydrates, and glycosides have also been isolated from them and purified. Their structures were chemically elucidated through standard chemical methods, e.g., IR and UV, EI-, FAB-, FD-, GC- and HR-MS, and 1H- and 13C-NMR spectroscopy. The crude extracts of the investigated species have also been tested for their biological activities such as antibacterial, antifungal, and cytotoxic activities.

Articles with similar content:

Chemical composition and bioactivity of some benthic algae from Karachi Coast of Pakistan
International Journal on Algae, Vol.11, 2009, issue 4
M. Shameel, Laila Shahnaz
Studies on the Bioactivity and Phycochemistry of Lyngbya Agardh (Cyanophycota)
International Journal on Algae, Vol.13, 2011, issue 3
M. N. Khalid, M. Shameel
Isolation and Characterization of Chemical Constituents from the Poroid Medicinal Mushroom Porodaedalea chrysoloma (Agaricomycetes) and Their Antioxidant Activity
International Journal of Medicinal Mushrooms, Vol.22, 2020, issue 2
Attila Vanyolos, Norbert Kúsz, Zoltan Peter Zomborszki, András Sárközy, Judit Hohmann, Attila Csorba, Viktor Papp
Mushrooms as a Source of Polyprenols
International Journal of Medicinal Mushrooms, Vol.7, 2005, issue 3
Tatyana P. Kukina, Irina A. Gorbunova, I. Bayandina
Chemical Profile, In Vitro Enzyme Inhibitory, and Antioxidant Properties of Stereum Species (Agaricomycetes) from Turkey
International Journal of Medicinal Mushrooms, Vol.21, 2019, issue 11
Gülsen Tel-Çayan, Mehmet Emin Duru, Mehmet Öztürk, Fatih Çayan, Ebru Deveci