Environmental Engineering Reference
In-Depth Information
LTS-1 and LTS-7. The ED
50
values for these saponins were 4.5, 7.0, and
6.0 µg/ml, respectively. Colechin, which was used as a reference substance,
had an ED
50
of 2.5 µg/ml (Podolak et al.,
2007).
JUSSIAEA REPENS
LINNAEUS
Phylum: Magnoliophyta Class: Magnoliopsida
Order: Myrtales Family: Onagraceae
Common name: Floating primrose willow
Distribution: United States
Habitat: Shallow waters, pond margins
Description: This herbaceous species is reddish with ibrous roots. The stem is
erect to repent on land or loating. It grows to a maximum length of 50 cm.
Leaves are alternate, petiolate, and oblong to elliptic with a length of 12 cm
and breadth of 2 cm. Single axillary lowers are present on long peduncles.
Flowers are yellow with ive petals.
Compounds and activities: The bioactive compounds isolated from this species
include rosmarinic acid, quercetin-3-O-D-glucopyranoside, and kaempferol-
3-O-D-glucopyranoside. Isolated lavonoids of this species have shown
cytotoxic activity against Ehrlich ascitis carcinoma cells (Marzonk et al.,
2007). Ethyl acetate extract of this species possesses antioxidant, hepato-
protective, anti-inlammatory, and antidiabetic properties.
OH
O
OH
HO
O
O
OH
OH
rosmarinic acid
