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  • chemotypes  (2)
  • Asiasarum sieboldii  (1)
  • 1995-1999  (3)
  • 1980-1984
  • 1930-1934
  • 1920-1924
  • 1995  (3)
  • 1
    Electronic Resource
    Electronic Resource
    A neolignoid feeding deterrent againstLuehdorfia puziloi larvae (lepidoptera: Papilionidae) fromHeterotropa aspera, a host plant of sibling species,L. japonica (1995)
    Springer
    Journal of chemical ecology 21 (1995), S. 1541-1548 
    Details
    ISSN: 1573-1561
    Keywords: Feeding deterrent ; Luehdorfia puziloi ; L. japonica ; Papilionidae ; Parnassiinae ; Zerynthiini ; neolignoid ; asatone ; Heterotropa aspera ; Asiasarum sieboldii ; Aristolochiaceae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract A feeding deterrent against larvae of a papilionid butterfly,Luehdorfia puziloi (Parnassiinae), a specialist onAsiasarum plants (Aristolochiaceae), was isolated from another aristolochiaceous plant,Heterotropa aspera. Antifeedant activity was exhibited by then-hexane-soluble fraction that proved to contain at least two active components. One of the deterrents was identified as a neolignan compound, asatone. The concentration of asatone inH. aspera was estimated at approximately 225 ppm, and larval feeding ofL. puziloi was significantly deterred at concentrations over 90 ppm. By contrast, asatone was not detectable (〈 1 ppm, if any) in its host plant,Asiasarum sieboldii.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02035151
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  • 2
    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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  • 3
    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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    Paper (German National Licenses)
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