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Botanical Name |
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Taxus baccata L. |
English
Name |
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Yew |
Family |
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Taxaceae |
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General Info
Description |
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It is a small evergreen or medium sized tree with fluted stem and reddish grey bark. Leaves are 2.5 to 3.5 cm long, linear, flattened, distchious, acute and narrowed into a short petiole. Male cones are subglobose and solitary in leaf axis and females are also solitary, axillary with a single erect ovule. The fruits are red coloured with woody testa. The fruit is a fleshy berry about 10mm in diameter and containing a single seed. |
Herb Effects |
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All parts of the plant, except the fleshy fruit, are antispasmodic, cardiotonic, diaphoretic, emmenagogue, expectorant, narcotic and purgative; cardiotonic and abortifacient (leaf); anticancer (bark); “hypothesmic activity” (aerial part); antispasmodic and sedative (fruit and leaf); narcotic and toxic (leaf. young aerial part and shoot) |
Chemistry
Active Ingredients |
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Beta-carotene, lycopene, zeaxanthin (fruit); beta-sitosterol, ephedrine, formic acid, gallic acid, ginkgetin, millosine, HCN, tannic acid, taxine A and B4, taxol (leaf); taxol, ecdysterone, campesterol and beta-sitosterol (bark). |
Chemistry
of Active Ingredients |
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Name |
CAS# |
IUPAC Name |
Formula |
Structure |
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Taxine A |
1361-49-5 |
Not Available |
C35H47NO10 |
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Ephedrine |
6912-63-6 |
2-methylamino-1-phen yl-propan-1-ol |
C10H15NO |
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Taxol |
33069-62-4 |
Not Available |
C47H51NO14 |
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Ecdysterone |
Not Available |
2,3,14-trihydroxy-10 ,13-dimethyl-17-(1,2 ,5-trihydroxy-1,5-di methyl-hex
yl)-1,2, 3,4,5,9,10,11,12,13, 14,15,16,17-tetradec ahydrocyclopenta[a]p he
nanthren-6-one |
C27H44O7 |
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Campesterol |
474-62-4 |
17-(5,6-dimethylhept an-2-yl)-10,13-dimet hyl-2,3,4,7,8,9,11,1 2,14,15,16
,17-dode cahydro-1H-cyclopent a[a]phenanthren-3-ol |
C28H48O |
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beta-Sitosterol |
5779-62-4 |
17-(5-ethyl-6-methyl -heptan-2-yl)-10,13- dimethyl-2,3,4,7,8,9 ,11,12,14,
15,16,17 -dodecahydro-1H-cycl openta[a]phenanthren -3-ol |
C29H50O |
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beta-Carotene |
Not Available |
3,7,12,16-tetramethy l-1,18-bis(2,6,6-tri methyl-1-cyclohexeny l)-octadec
a-1,3,5, 7,9,11,13,15,17-nona ene |
C40H56 |
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Lycopene |
Not Available |
2,6,10,14,19,23,27,3 1-octamethyldotriaco nta-2,6,8,10,12,14,1 6,18,20,22
,24,26,3 0-tridecaene |
C40H56 |
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Zeaxanthin |
Not Available |
4-[18-(4-hydroxy-2,6 ,6-trimethyl-1-cyclo hexenyl)-3,7,12,16-t etramethyl
-octadec a-1,3,5,7,9,11,13,15 ,17-nonaenyl]-3,5,5- trimethyl-cyclohex-3 -e
n-1-ol |
C40H56O2 |
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Ephedrine |
6912-63-6 |
2-methylamino-1-phen yl-propan-1-ol |
C10H15NO |
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Formic acid |
992-98-3 |
formic acid |
CH2O2 |
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Gallic acid |
149-91-7 |
3,4,5-trihydroxybenz oic acid |
C7H6O5 |
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Ginkgetin |
481-46-9 |
5,7-dihydroxy-8-[5-( 5-hydroxy-7-methoxy- 4-oxo-chromen-2-yl)- 2-methoxy-
phenyl]- 2-(4-hydroxyphenyl)c hromen-4-one |
C32H22O10 |
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HCN |
Not available |
Hydrogen cyanide |
CHN |
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Tannic acid |
1401-55-4 |
Not Available |
Not Available |
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Taxine A |
1361-49-5 |
Not Available |
C35H47NO10 |
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Pharmacology
Medicinal Use |
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The leaves have been used internally in the treatment of asthma, bronchitis, hiccup, indigestion, rheumatism and epilepsy. Externally, the leaves have been used in a steam bath as a treatment for rheumatism. A homeopathic remedy is made from the young shoots and the berries. It is used in the treatment of cystitis, eruptions, headaches, heart and kidney problems, rheumatism etc. |
Contraindication |
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All parts of the plant, except the flesh of the fruit, are highly poisonous, having a paralyzing affect on the heart. |
Reference |
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Chandel et al., Biodiversity in Medicinal and Aromatic Plants in India.
Bentley and Trimen, Medicinal Plants.
Uniyal et al., Medicinal Flora of Garhwal Himalayas.
Sharma, Classical Uses of Medicinal Plants. |
Dealers
Products
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