Abstract
The composition of the terpenoids of the neutral petroleum-ether-soluble substances from an isopropanol extract of the needles of the Norway spruce has been studied. The main components of the extractive substances are polyprenol acetates, alcohols with the labdane type of structure, and epimanool and epitorulosol. It has been shown that the terpenoids from the needles differ in composition from the extractive substances of the trunk part of the tree and those from the oleoresins of the sprucesPicea abies, P. ajanensis, andP. obovata.
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