Environmental Engineering Reference
In-Depth Information
Description: It is a perennial species of colonial plant with long and creeping
rhizomes. While the lowers and foliage are green, the fruits and seeds are
brown. It grows to a maximum height of 2 m and has rhizomatous growth.
Compounds and activities: The extracts of this plant species have been found
to possess anticoagulant properties. A signiicant increase of partial throm-
boblastin time (PTT) (more than 20 min) was observed in this species
(Staba et al., 1972).
DAEMONOROPS ANGUSTIFOLIA
(GRIFF) MART
Phyllum: Magnaliophyta
Class: Liliopsida
Order: Arecales
Family: Arecaceae
Common name: Water rattan
Distribution: Malay Peninsula, New Guinea, China, India, Thailand, Malaysia
Habitat: Swamps
Description: This climbing palm species has thickets of slender canes that are 40 m
long. These canes possess many pinnate leaves with attractive narrow lealets.
Compounds and activities: The bioactive compounds isolated from this species
include 2-epi-lentiginosine, swainsonine, calystegines B1, B2, C1, and B3,
and
N
-methyl-trans-4-hydroxy-L-proline, which possess anticoagulant prop-
erties (Gibbs et al., 1983).
HO
HN
HO
5
O
2
N
OH
1
3
OH
OH
O
6
OH
CH
2
OH
HO
H
7
OH
OH
swainsonine
calystegines B1
OH
2
HN
HO
OH
OH
calystegines B2
