Canada yew


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Related to Canada yew: American Yew

Canada yew

n.
A low-growing yew (Taxus canadensis) of northeast North America. Also called ground hemlock.
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Canada yew is a particularly rich source of taxane, and is one of the few yews that has not been over harvested.
One well-known operation underway is a Canada Yew processing plant in Chapleau.
To support its large-scale taxane manufacturing project, the corporation has agreements providing it with Canada yew harvesting rights covering approximately 221,000 km2 of public and private land in Quebec.
Bateman (1977) suggested that Canada yew (Taxus canadensis) would be the first species to decline as a result of moose browsing in the Park.
Jenkins and Bartlett (1959) reported that Canada yew (Taxus canadensis) was practically gone and in many areas cedar seedlings were being eaten as soon as they grew above the snow level.
Other yews, like the Taxus canadensis or Canada yew, are also showing great promise.
Bioxel has filed patents for innovative and unique synthetic routes to paclitaxel and docetaxel from 9-DHB, a natural taxane present in high levels in the Canada yew.
But the identification of paclitaxel (as known as Taxol) from Canada yew caused many to ask what else is out there in the bush?
For example, Canada yew (Taxus canadensis) showed reduced reproductive effort after browsing, and slow recovery after being protected from deer (Allison, 1990).
The amount of Taxane's in Atlantic Canada yew trees, where FTC is located, is among the highest in the world, with an estimated annual resource of 100 million pounds of biomass available.
There's other promising natural crops with Canada Yew (an ingredient used to fight cancer) and fireweed (a skin care nutraceutical).
The most successful example of bio-prospecting is the discovery of Taxol, a drug used in cancer treatment which is derived from Canada Yew, a naturally-grown plant in Northern Ontario.

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