Harvesting and pelletizing yew biomass for extraction of taxanes and other natural products
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United States of America Patent
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Issued Date -
Jun 15, 2006
app pub date -
Jun 30, 2005
filing date -
Dec 30, 2003
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Abandoned
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Abstract
A process for harvesting yew biomass and a process of making Yew pellets from Yew tree material is disclosed herein. The process for harvesting comprising the steps of (i) harvesting the tops or roots of the Yew tree; (ii) washing the harvested material; (iii) drying the harvested material; and (iv) grinding the harvested material into a fine powder. The process for making Yew pellets comprising the steps of (i) adding from about 1% to about 20% w/w water to the Yew tree material; and (ii) compressing the Yew tree material in a die to form a pellet whereby the resulting pellet has a final moisture content of less than 10% by weight. The yew pellets produced herein are suitable for extracting taxane molecules from the pellets.
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