English names:
Common Chinese arbor-vitae, oriental arbor-vitae.
Description:
Small evergreen plant, much-branched, with reddish-brown bark. Branches erect, wide-spreading, parallel to the stem. Leaves opposite, flat, scale-like and dark-green. Flowers monoecious, male catkin at the tip of branches, female cone at the base. Fruit ovoid.
Flowering period:
March - September.
Distribution:
Naturalized species, extensively cultivated as an ornamental plant
Parts used:
Leaves and kernels. The leaves are collected throughout the year, the fruit in autumn. The pericarps are removed and the dried kernels or the oil free them are used.
Chemical composition:
The leaves and fruits contain an essential oil, consisting of L-borneol, bornyl acetate, a- thujone, camphor and sesquiterpene alcohol. The leaves yield rhodoxanthin, amentoflavone, quercetin, myricetin, carotene, xanthophyll and ascorbic acid.
Therapeutic uses:
The leaves and the fruit kernels are well-known for their haemostatic properties. The leaves are utilized for the relief of haematemesis, dysentery, bloody stools, haematuria, haemoptysis, post-partum uterine haemorrhage, metrorrhagia, epistaxis, fever and cough. The fruit kernels are also effective against insomnia, palpitation, hyperhidrosis and constipation. The plant drug is prescribed daily in a dose of 8 to 12g of dried leaves in the form of a decoction or liquid extract, and 4 to 12g of dried fruit kernels in powder or pill form.
Source: Medicinal plants in Viet Nam (Institute of Materia Medica - HANOI - WHO/WPRO, 1990, 444 p.)
Common Chinese arbor-vitae, oriental arbor-vitae.
Description:
Small evergreen plant, much-branched, with reddish-brown bark. Branches erect, wide-spreading, parallel to the stem. Leaves opposite, flat, scale-like and dark-green. Flowers monoecious, male catkin at the tip of branches, female cone at the base. Fruit ovoid.
Flowering period:
March - September.
Distribution:
Naturalized species, extensively cultivated as an ornamental plant
Parts used:
Leaves and kernels. The leaves are collected throughout the year, the fruit in autumn. The pericarps are removed and the dried kernels or the oil free them are used.
Chemical composition:
The leaves and fruits contain an essential oil, consisting of L-borneol, bornyl acetate, a- thujone, camphor and sesquiterpene alcohol. The leaves yield rhodoxanthin, amentoflavone, quercetin, myricetin, carotene, xanthophyll and ascorbic acid.
Therapeutic uses:
The leaves and the fruit kernels are well-known for their haemostatic properties. The leaves are utilized for the relief of haematemesis, dysentery, bloody stools, haematuria, haemoptysis, post-partum uterine haemorrhage, metrorrhagia, epistaxis, fever and cough. The fruit kernels are also effective against insomnia, palpitation, hyperhidrosis and constipation. The plant drug is prescribed daily in a dose of 8 to 12g of dried leaves in the form of a decoction or liquid extract, and 4 to 12g of dried fruit kernels in powder or pill form.
Source: Medicinal plants in Viet Nam (Institute of Materia Medica - HANOI - WHO/WPRO, 1990, 444 p.)
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