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    Author(s): Richard H. Smith
    Date: 1964
    Source: Res. Paper PSW-15. Berkeley, CA: Pacific Southwest Forest & Range Experiment Station, Forest Service, U.S. Department of Agriculture; 17 p
    Publication Series: Research Paper (RP)
    Station: Pacific Southwest Research Station
    PDF: View PDF  (840 KB)

    Description

    A wide range in quantitative composition of the wood oleoresin monoterpenes was found among 64 ponderosa pines in the central Sierra Nevada by gas chromatographic analysis. An inverse relationship was found in the amount of β-pinene and Δ3-carene. Practically no difference in composition could be associated with (a) type of sample preparation and analysis, (b) position on the trunk of the tree where the oleoresin was obtained, (c) time within a season, between seasons, and between years, (d) time of flow of oleoresin from a wound, and (e) storage time of prepared samples.

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    Citation

    Smith, Richard H. 1964. Variations in the monoterpene composition of ponderosa pine wood oleoresin. Res. Paper PSW-15. Berkeley, CA: Pacific Southwest Forest & Range Experiment Station, Forest Service, U.S. Department of Agriculture; 17 p

    Keywords

    Pinus ponderosa

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