betula camphor

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• Betula alba — Betulin Bet u*lin, n. [L. betula birch tree.] (Chem.) a term originally applied to a substance obtained as a resin or tar by extraction from the outer bark of the common European white birch ({Betula alba}); now referring to the chemical compound …   The Collaborative International Dictionary of English

• betula — European white birch, bark and leaves of B. alba (family Betulaceae); native to Europe, northern Asia, and North America, north of Pennsylvania. It contains betulin (b. camphor), betuloresinic acid, volatile oil, saponins, betulol (sesquiterpine… …   Medical dictionary

• birch camphor — Betulin Bet u*lin, n. [L. betula birch tree.] (Chem.) a term originally applied to a substance obtained as a resin or tar by extraction from the outer bark of the common European white birch ({Betula alba}); now referring to the chemical compound …   The Collaborative International Dictionary of English

• List of trees and shrubs by taxonomic family — The following is a list of trees and shrubs of high notoriety. Taxonomic families for the following trees and shrubs are listed in alphabetical order, likewise the genera and closely related species.=GYMNOSPERMS= =CONIFERS= Araucariaceae: The… …   Wikipedia

• Cinnamomum — Camphor Laurel Cinnamomum camphora Scientific classification Kingdom …   Wikipedia

• Betulin — Bet u*lin, n. [L. betula birch tree.] (Chem.) a term originally applied to a substance obtained as a resin or tar by extraction from the outer bark of the common European white birch ({Betula alba}); now referring to the chemical compound… …   The Collaborative International Dictionary of English

• C30H50O2 — Betulin Bet u*lin, n. [L. betula birch tree.] (Chem.) a term originally applied to a substance obtained as a resin or tar by extraction from the outer bark of the common European white birch ({Betula alba}); now referring to the chemical compound …   The Collaborative International Dictionary of English

• temperate forest — ▪ ecology Introduction  vegetation type with a more or less continuous canopy of broad leaved trees. Such forests occur between approximately 25° and 50° latitude in both hemispheres (seeFigure 1 >). Toward the polar regions they grade into… …   Universalium

• oil — An inflammable liquid, of fatty consistency and unctuous feel, which is insoluble in water, soluble or insoluble in alcohol, and freely soluble in ether. Oils are variously classified as animal …   Medical dictionary