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Premna herbacea Roxb.
Premna timoriana H. Lam.
Pygmaeopremna humilis Merr.
Common names: Huniyan (Buk.),Qian jie cao (Chin.)
Habitat :In open grasslands at low and medium altitudes in Cagayan, Isabela, Bontoc, and Nueva Viscaya Provinces in Luzon, and in Mindanao. Dry places; 200-1700 m. Hainan, W Yunnan [Bhutan, Cambodia, India, Laos, Myanmar, Nepal, New Guinea, Philippines, Thailand, Vietnam; Australia].
China: China – Yunnan [w.]
Indian Subcontinent: Bangladesh; India; Nepal; Sri Lanka
Indo-China: Cambodia; Laos; Myanmar; Thailand; Vietnam
Malesia: East Timor; Indonesia – Irian Jaya, Java, Kalimantan, Sumatra; Malaysia; Papua New Guinea; Philippines
Australia: Australia – Northern Territory [n.], Western Australia
Huniyan is a small, inconspicuous undershrub growing up to 15 cm in height, produced from stout, elongated, woody rootsz, with hardly any stems. Roots are about as thick as a crowquill with numerous, almost-globular, woody knots. Leaves are simple, obovate-oblong or obovate, up to 13 cm long, 6.5 cm wide, and pointed at both ends, with entire and irregularly toothed margins. Stalks are very short, 2 to 4 mm long. Flowers are greenish-white, 4-parted, and borne on short, terminal inflorescences about 1 cm long. Fruit is black, broadly obovoid, and 4 to 5 mm in diameter…….click & see
Indian Subcontinent: India; Sri Lanka
* Root contains an orange-brown acid resin (soluble in ether, alcohol and alkaline solutions), traces of an alkaloid, and starch.
* Study yielded sirutekkone, a diterpenoid.
*In India, the juice of the root, mixed with juice of ginger and warm water, given for asthma.
*Bitter root is considered as stomachic; given fro rheumatism and dropsy.
*Root bark used for toothache.
*Leaves are used for fever, cough, rheumatism; poultices applied to boils.
*In Ayurveda, alone or as ingredient, used for bronchitis, asthma, hypertension, tumors, inflammation, hiccough, epilepsy and helminthiasis.
• Antipyretic / Antinociceptive / Anti-Inflammatory: Study of alcoholic extract of roots of Premna herbacea in animal models showed significant antipyretic activity in rabbits, mild nociceptive activity in mice, and significant activity in chronic inflammation.
• Toxicity Study: Alcoholic extract was found to be safe up to a dose of 8.0 g/kg in mice.
• Bharangin / Cytotoxic Properties: Bharangin, a novel diterpenoid quinonemethid, has been isolated from the hexane extract of root nodules. Bharangin exhibited cytotoxic properties against P-338 tumor cell line.
The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplements, it is always advisable to consult with your own health care provider.