Article

Feeding stimulant in Cinnamomum camphora for the common bluebottle, Graphium sarpedon nipponum (Lepidoptera: Papilionidae).

Department of Agriculture, Faculty of Agriculture, Kochi University, B200 Monobe, Nankoku 783-8502, Japan.
Zeitschrift fur Naturforschung C (impact factor: 0.77). 65(9-10):571-6. pp.571-6
Source: PubMed

ABSTRACT The acceptance of camphor tree (Cinnamomum camphora) as a host plant for the larvae of common bluebottle (Graphium sarpedon nipponum) was explained by the presence of feeding stimulants in the leaves. When the active methanol extract of C. camphora leaves was separated into hexane and water layers, both layers showed high feeding activities for the larvae of G. sarpedon nipponum. Bioassay-guided fractionation of the hexane layer resulted in the isolation of a highly active compound, which was identified as a-linolenic acid by nuclear magnetic resonance spectrometry and gas chromatography-mass spectrometry.

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Keywords

active compound
 
active methanol
 
C. camphora
 
camphor tree
 
Cinnamomum camphora
 
common bluebottle
 
G. sarpedon nipponum
 
gas chromatography-mass spectrometry
 
Graphium sarpedon nipponum
 
hexane
 
hexane layer
 
host plant
 
larvae
 
nuclear magnetic resonance spectrometry
 
water layers
 

Jing Li