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Botany
A shrub to a small tree, growing to a height of 5 meters, with numerous,
long, slender and drooping branches. Leaves arelight green, narrow lanceolate,
up to 5 cm long. Spikes are 7-8 cm long. Flowers are bright red in dense
cylindrical spikes.
Constituents
and propoerties
A study in India showed the leaves of
Callistemon viminalis yielded an oil: 1,8-Cineole (61.7%), -pinene (24.2%)
and menthyl acetate (5.3%) were the major components.
Antibacterial, anthelminthic
Distribution
Widely cultivated in the Philippines.
Grows well in the Baguio area.
Parts utilized
Leaves.
Uses
Folkloric
Not known for medicinal
applications in the Philippines.
Studies
Anti-quorum sensing
° Bacterial intercellular
communication or quorum sensing (QS) is believed to control the pathogenesis
of many bacterial organisms. C. viminalis is one of several plants studied
that showed to possess anti-QS activity, a potential new direction for
the treatment of bacterial infections. Journal
of Ethnopharmacology
Volume 105, Issue 3
Anthelminthic activity
In veterinary studies:
The anthelmintic activity of the essential oils of Callistemon viminalis
against
earthworms and tapeworms has revealed it to exhibit in vitro efficacy
better than piperazine phosphate. The activity of these oils against
hookworms was comparable to that of hexyle resorcinol (Garg & Kasera,
1982).
Availability
Cultivated.
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