Environmental Engineering Reference
In-Depth Information
NITELLA FLEXILIS
(LINNAEUS) C.A. AGARDH, 1824
Phylum: Charophyta
Class: Charophyceae
Order: Charales
Family: Characeae
Common name: Smooth stonewort
Distribution: Europe, North America, South America, Asia, Australia,
New Zealand
Habitat: Lakes, ponds, ditches, rivers
Description: It is a robust monoecious species growing to a maximum height
of 1 m. Branches are in whorls, which divide once or twice.
Compounds and activities: From this species come ive saturated, seven
mono-, two di-, two tri-, and three polyunsaturated fatty acids (FAs). The
methanol extracts of this species showed antibacterial activity toward
Shigella boydii
(8 mm),
Bacillus cereus
(6 mm), and
Corynebacterium
diphtheriae
(6.5 mm), and antifungal activity toward
Curvularia lunata
(3%),
Fusarium sporotrichoids
(3.5%),
Macrophomina phaseolina
(3.7%),
Rhizoctonia solani
(3.6%),
Sclerotium rolfsii
(3.4%), and
Trichoderma har-
zianum
(3.0%) (Ghazala et al.,
2004).
EUGLENA VIRIDIS
(O.F. MULLER) EHRENBERG
Phylum: Euglenoidea
Class: Mastigophora
Order: Euglenoidida
Family: Euglenoididae
