Catnip: Its Raison d'�tre

  title={Catnip: Its Raison d'�tre},
  author={Thomas Eisner},
  pages={1318 - 1320}
  • T. Eisner
  • Published 1964
  • Biology, Medicine
  • Science
Catnip (nepetalactone) is closely related chemically to certain cyclopentanoid monoterpenes recently isolated from insects, and it shares with some of these terpenes an ability to repel insects. It is suggested that the adaptive function of catnip is to protect the plants that produce it against phytophagous insects. 
Cyclopentanoid Terpene Biosynthesis in a Phasmid Insect and in Catmint
Tracer experiments with isotopes indicate that anisomorphal is synthesized by the walking stick from normal terpene precursors (acetate or mevalonate) in the catmint plant. Expand
Necrodols: Anti-insectan terpenes from defensive secretion of carrion beetle (Necrodes surinamensis)
Two compounds recently isolated from the defensive gland ofNecrodes surinamensis, α-and β-necrodol, first representatives of a new category of monoterpenes (the necrodanes), are shown to be repellentExpand
Catnip and the catnip response
Fourteen chemical compounds from diverse biological sources elicit a unique pattern of behavior in most species of the family Felidae. These chemicals may be grouped into 7-methylcyclopentapyranones,Expand
Iridodials and nepetalactone in the defensive secretion of the coconut stick insects,Graeffea crouani
The defensive secretion of the coconut stick insect,Graeffea crouani Le Guillou (Phasmatodea: Phasmatidae) from the Pacific Islands has, as major constituents:trans,trans- andtrans,cis-iridodials andExpand
Chemical defense of the mint plant, Teucrium marum (Labiatae)
It is argued that teucrein is the storage compound from which dolichodial is generated during leaf development, and has no anti-insectan potency. Expand
Constituents of essential oils from Nepeta cataria L., N. grandiflora M.B. and N. nuda L
Essential oils from Bulgarian populations of Nepeta nuda L. and N. cataria L. (two origins) and of the Caucasian endemic N. grandiflora M.B. (Lamiaceae) were analyzed and some of the constituents were found for the first time in the genus Nepeta from natural sources. Expand
Composition of the Essential Oil of Nepeta curviflora Boiss. (Lamiaceae) from Lebanon
Abstract The essential oil of Nepeta curviflora Boiss. (Lamiaceae) grown in Lebanon, obtained by hydrodistillation of aerial parts, was analyzed by GC and GC/MS. Thirty-five compounds were identifiedExpand
Essential oil analysis of Nepeta argolica Bory & Chaub. subsp. argolica (Lamiaceae) growing wild in Greece
The chemical composition of the essential oils obtained from the aerial parts of two different populations of Nepeta argolica Bory & Chaub. ssp. argolica (Lamiaceae) was examined by GC and GC–MS.Expand
Composition and Phytotoxic Activity of Nepeta pannonica L. Essential Oil
Abstract The chemical composition of the essential oil of the aerial part of Nepeta pannonica L. from Kazakhstan was investigated by GC and GC/MS. Sixty components were characterized from N.Expand
Nepetalactol oxidoreductase in trichomes of the catmint Nepeta racemosa
An enzyme which catalyses the NAD + -dependent oxidation of cis , cis -nepetalactol to cis, cis-nepentalactone has been identified in cell-free extracts of N. racemosa leaves and the presence of such activity within the trichomes suggests that nepetalactl may be an intermediate in the biosynthesis of nepetALactone. Expand


The Chemistry of Ants. V. Structure and Reactions of Dolichodial
Dolichodial, isolated from Dolichoderus acanthoclinea Clarki (Wheeler), is shown to be α-(2-formyl-3-methylcyclopentylacraldehyde (I). The conversion of dolichodial into iridodial (II), andExpand
Defence mechanisms of arthropods—VII: Citronellal and citral in the mandibular gland secretion of the ant Acanthomyops claviger (Roger)
Abstract The mandibular glands of workers of the formicine ant Acanthomyops claviger (Roger) secrete a mixture of citronellal and citral (both stereoisomers) in the approximate ratio of 9:1.Expand
Isolation from Ginkgo biloba L. of an inhibitor of fungus growth.
In this paper, the results, to date, on the isolation of cu-hexenal from the leaves of G. biloba L. are reported, which has been found to be an inhibitor of fungi. Expand
Cyanogenic Glandular Apparatus of a Millipede
The cyanogenic secretion of the polydesmoid millipede Apheloria corrugata (Wood) is discharged from paired, serially arranged glands, each consisting of two compartments, which contain an undissociated cyanogenic compound and a chemical factor that triggers cyanogenesis. Expand
Release of Hydrocyanic Acid from Crushed Tissues of all Stages in the Life-Cycle of Species of the Zygaeninae (Lepidoptera)
Release of Hydrocyanic Acid from Crushed Tissues of all Stages in the Life-Cycle of Species of the Zygaeninae (Lepidoptera)
These two substances are the products of defensive glands of certain insects and other arthropods, and have been shown to be strongly repellent to many insects; T. Eisner, unpublished
  • Ann. Rev. Entomol
  • 1962
  • J. Biol. Chem
  • 1960
[Effect of the somatotropic hormone and dietary regimen on amino nitrogen in the blood].