Action Leaves—used as a poultice for sloughing wounds. Root—used as a substitute for liquorice.

648 Taxus bacxata Linn.

Taxus baccata Linn.
Family
Taxaceae.
Habitat Temperate Himalayas, Khasi Hills and Manipur.
English European Yew. Himalayan Yew is equated with Taxus wallichiana Zucc., synonym T baccata Linn. subspecies wallichiana (Zucc.) Pilgoe, T baccata Hook. f.
Ayurvedic Thunera, Sthauneya, Sthauneyaka, Shukapushpa, Dhaatri-patra, Vikarna. (Not a substitute for Taalisapatra.)
Unani Zarnab.
Siddha/Tamil Taaleespatri Bhedam.
Folk Birmi, Thuno.
Action Herb—CNS depressant; reduces motor activity; analgesic, anticonvulsant. Leaf used in nervousness, epilepsy, hysteria, asthma, chronic bronchitis. Leaf and fruit—antispasmodic, sedative, emmenagogue.
Berry—used in chronic bronchitis.
T) Taxol antimitotic; also being tried for
the treatment of severe drug-resistant
human malaria.
(Chem Abstr, 1994, 21,
124674 j.) (The taxol content in Hi malaya Yew varied with season and
location from 0.045—0.130%.)
The needles contain diterpene es ter of taxane-type (mixture is known
as taxine 0.6—2.0%). Taxine consists
of 11 compounds of which only tax-
me A and B have been characterized.
Taxol, the diterpene amide, is found
active against ovarian cancer in hu mans (clinical results showed 24—30%

response). The ester alkaloids in higher doses are cardiotoxic.
Dried needles contain biflavonoids, including sotetsuflavone, sequoiflavone, sciadopitysin, ginkgetin, kayaflavone, amentoflavone, beta-sitosterol, heptacosanol and surcose.
The needles gave several phenolics. Betuloside (rhododendron) exhibited hepatoprotective activity against hepatotoxins in rats.

Encyclopedia of Ayurvedic Medicinal Plants

A Candle of Medicinal Herb’s Identification and Usage