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Genetic Variability and Elite Line Selection for High Essential Oil and Nepetalactone Content in Catmint (<i>Nepeta cataria</i>L.)

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American Journal of Plant Sciences 2021年第7期12卷 1135-1154页

作者： abhilasha srivastava Soni Gupta Swati Singh Ram Swaroop Verma Ramesh Kumar srivastava Anil Kumar Gupta Raj Kishori Lal Academy of Scientific and Innovative Research (AcSIR) Ghaziabad India Division of Plant Breeding and Genetic Resource Conservation CSIR—Central Institute of Medicinal and Aromatic Plants P.O. CIMAP Lucknow India Phytochemistry Division CSIR—Central Institute of Medicinal and Aromatic Plants P.O. CIMAP Lucknow India Technology and Business Development Division CSIR—Central Institute of Medicinal and Aromatic Plants P.O. CIMAP Lucknow India

Nepeta cataria L., commonly known as catmint or catnip, belongs to the family “Lamiaceae” and is indigenous to Europe and Asia. The essential oil of this species is known for the richness and diversity of nepetalactones (NPL) which are used as mosquito/insect repellents in perfumery and cosmetic industries. Reports on Indian catmint germplasm are very meager and warrants exploration of its commercial potential as a natural, non-toxic source of insect repellents. With this objective, commercial open-pollinated seeds of catmint collected from its native, temperate habitat in Himalayas were introduced in the tropical plains. Subsequent to adaptation to a new zone we were able to isolate nineteen individual plants based on plant growth. Hydrodistillation of the fresh herb yielded essential oil in the range of 0.01% to 0.2%. Gas Chromatography (GC) and GC-Mass Spectrometry (GC-MS) analyses of the oil revealed the dominance of monoterpene hydrocarbon, namely, 4aα,7α,7aα NPL (1) isomer (84%). The other two isomers of nepetalactone, 4aα,7α,7aβ NPL (2) and 4aα,7β,7aα NPL (3) were also present, although in very less amounts (1.0% and 1.6%, respectively). Sesquiterpenes identified were α-humulene (traces), (

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Genetic Variability and Elite Line Selection for High Essential Oil and Nepetalactone Content in Catmint (Nepeta cataria L.)

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American Journal of Plant Sciences（美国植物学期刊） 2021年第7期

作者： abhilasha srivastava Soni Gupta Swati Singh Ram Swaroop Verma Ramesh Kumar srivastava Anil Kumar Gupta Raj Kishori Lal

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