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  • Polymer and Materials Science  (35)
  • Perilla frutescens  (8)
  • 1
    Electronic Resource
    Electronic Resource
    Genetic control of the enzymatic formation of cyclic monoterpenoids in Perilla frutescens
    Amsterdam : Elsevier
    Phytochemistry 31 (1991), S. 139-142 
    Details
    ISSN: 0031-9422
    Keywords: Labiatae ; Perilla frutescens ; chemotypes ; cyclic monoterpenoids ; cyclization ; genetic control. ; geranylpyrophosphate synthase ; limonene synthase
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0031-9422(91)83022-D
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  • 2
    Electronic Resource
    Electronic Resource
    Genetic control of the chemical composition of volatile oils in Perilla frutescens
    Amsterdam : Elsevier
    Phytochemistry 25 (1986), S. 859-863 
    Details
    ISSN: 0031-9422
    Keywords: Labiatae ; Perilla frutescens ; chemotype ; gene analysis ; hybridization ; multiple alleles. ; volatile oil
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0031-9422(86)80017-6
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  • 3
    Electronic Resource
    Electronic Resource
    Genetic control of phenylpropanoids in Perilla frutescens
    Amsterdam : Elsevier
    Phytochemistry 25 (1986), S. 2085-2087 
    Details
    ISSN: 0031-9422
    Keywords: Labiatae ; Perilla frutescens ; chemotype ; dillapiole. ; elemicin ; gene analysis ; myristicin ; volatile oil
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0031-9422(86)80070-X
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  • 4
    Electronic Resource
    Electronic Resource
    Genetic control of perillene accumulation in Perilla frutescens
    Amsterdam : Elsevier
    Phytochemistry 29 (1990), S. 2873-2875 
    Details
    ISSN: 0031-9422
    Keywords: Labiatae ; Perilla frutescens ; genetic analysis ; monoterpenoids ; perillene.
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0031-9422(90)87094-B
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  • 5
    Electronic Resource
    Electronic Resource
    Genetic control of the enzymatic formation of cyclic monoterpenoids inPerilla frutescens
    Amsterdam : Elsevier
    Phytochemistry 31 (1992), S. 139-142 
    Details
    ISSN: 0031-9422
    Keywords: Labiatae ; Perilla frutescens ; chemotypes ; cyclic monoterpenoids ; cyclization ; genetic control ; geranylpyrophosphate synthase ; limonene synthase
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0031-9422(91)83022-D
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  • 6
    Electronic Resource
    Electronic Resource
    Genetic control of geranial formation inPerilla frutescens (1994)
    Springer
    Biochemical genetics 32 (1994), S. 155-159 
    Details
    ISSN: 1573-4927
    Keywords: Perilla frutescens ; chemotype ; geranial ; breeding
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract A novel chemotype (C type) having a lemon-like odor segregated out in the F2 progeny of a cross between PK and PL chemotypes ofPerilla frutescens. Chemical analysis of C-type plants revealed that geranial was the major component of essential oils in the leaves. Genetic analysis suggested that geranial is accumulated by individuals homozygous for two pairs of recessive, polymeric genes,fr 1 andfr 2, which are incapable of converting geranial into perillene.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00554619
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  • 7
    Electronic Resource
    Electronic Resource
    Genetic analysis of essential oil variants inPerilla frutescens (1995)
    Springer
    Biochemical genetics 33 (1995), S. 341-348 
    Details
    ISSN: 1573-4927
    Keywords: Perilla frutescens ; Labiatae ; chemotypes ; genetic analysis ; essential oils
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract A new chemotype (C type) ofPerilla frutescens (Labiatae) that accumulatestrans-citral as a main component of the essential oil in the leaf was crossed with five other chemotypes containing perillaldehyde (PA), elsholtziaketone (EK), perillaketone (PK), perillene (PL), and phenylpropanoid (PP) as their respective major components for comparison of genetic differences. The analyses of F1 and F2 progenies showed thattrans-citral is accumulated when its metabolism is blocked in the simultaneous absence of a dominant geneN, which is involved in the conversion oftrans-citral into naginataketone viacis-citral, and two polymeric genesFr 1 andFr 2 , which are involved in the conversion oftrans-citral into perillene. On the basis of new data obtained from various intercrosses involving the C type as one of the parents, the genotypes of different chemotypes as well as the sites of action of several genes controlling reaction steps in the biosynthesis of monoterpenes inPerilla have been revised.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02399932
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  • 8
    Electronic Resource
    Electronic Resource
    Genetic analysis of essential oil variants inPerilla frutescens (1995)
    Springer
    Biochemical genetics 33 (1995), S. 341-348 
    Details
    ISSN: 1573-4927
    Keywords: Perilla frutescens ; Labiatae ; chemotypes ; genetic analysis ; essential oils
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract A new chemotype (C type) ofPerilla frutescens (Labiatae) that accumulatestrans-citral as a main component of the essential oil in the leaf was crossed with five other chemotypes containing perillaldehyde (PA), elsholtziaketone (EK), perillaketone (PK), perillene (PL), and phenylpropanoid (PP) as their respective major components for comparison of genetic differences. The analyses of F1 and F2 progenies showed thattrans-citral is accumulated when its metabolism is blocked in the simultaneous absence of a dominant geneN, which is involved in the conversion oftrans-citral into naginataketone viacis-citral, and two polymeric genesFr 1 andFr 2 , which are involved in the conversion oftrans-citral into perillene. On the basis of new data obtained from various intercrosses involving the C type as one of the parents, the genotypes of different chemotypes as well as the sites of action of several genes controlling reaction steps in the biosynthesis of monoterpenes inPerilla have been revised.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00553813
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  • 9
    Electronic Resource
    Electronic Resource
    Temperature dependence of nuclear magnetic resonance absorption in coal (1962)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 6 (1962), S. 94-97 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: The proton magnetic resonance in the vitrain of Yūbari caking coal and its residue of pyridine extraction has been studied over the range 90 to 423°K. At lower temperature the absorption line consists of a broad component. At higher temperature this component begins to decrease rapidly in the line width and resolves into two components. This rapid narrowing of the absorption line width suggests a glass transition attributed to the molecular motion in coal. The variation of the second moment of the absorption line with temperature reflects the line width variation. From these results some information on the molecular motion and arrangement in coal have been obtained.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1962.070061910
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  • 10
    Electronic Resource
    Electronic Resource
    The differential refractive index increments of statistical styrene/acrylonitrile/methyl methacrylate terpolymers (1972)
    Weinheim : Wiley-Blackwell
    Angewandte Makromolekulare Chemie 25 (1972), S. 163-169 
    Details
    ISSN: 0003-3146
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Das Brechungsindexinkrement von acht verschieden zusammengesetzten Terpolymeren aus Styrol, Acrylnitril und Methylmethacrylat wurde in Dimethylfoirmamid und in Butanon bestimmt. Aus der infrarotspektroskopisch ermittelten Zusammensetzung der Copolymeren und den Brechungsinkrementen der Homopolymeren wurden die Brechungsinkremente der Terpolymeren berechnet. Das ptrrtielle azeotrope Terpolymere besitzt ein konstantes Brechungsinkrement während der Terpolymerisation, während die aus anderen Monomermischungen erhaltenen Werte sich mit dem Umsatz ändern.
    Notes: The differential refractive index increment was measured for statistical styrene/acrylonitrile/methyl methacrylate terpolymers of eight different compositions in dimethylformamide and in butanone. With the terpolymer composition obtained from infrared absorption and the differential refractive index increments of the homopolymers, the differential refractive index increments of terpolymers are calculated. The partial azeotropic terpolymer gives a constant value in the course of terpolymerization. The differential refractive index increment of a terpolymer synthesized from other monomer feed than the azeotropic composition changes with conversion.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/apmc.1972.050250115
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