Diversity in the essential oil of New Zealand grown Kānuka, Kunzea ericoides (A. Rich) Joy Thomps. (2021)
Kunzea ericoides (Kānuka) is a New Zealand (NZ) native tree. The essential oil, obtained from leaves and branches, has been commercially produced in New Zealand since the early 1990’s. Whilst there has been extensive work correctly categorising the tree, its habitat and its chemical composition little research has been undertaken on commercially produced samples of essential oil to identify chemical variations and the potential impact on commercial use. Currently most retail outlets, either within NZ or internationally, provide minimal or absent detail as to the location or recognition that geographical diversity can exist. The purpose of this study is to analyse commercially produced samples of essential oil as sold to consumers, produced indifferent geographical locations around New Zealand. These analyses, along with earlier research undertaken has identified some key differences in chemical composition, which have the potential to influence clinical applications. Kānuka oil is clearly differentiated from its relative Mānuka oil (Leptospermum scoparium) due to the high percentage of α-pinene and absence of β-triketones.
CitationMaddocks W (2021). Diversity in the essential oil of New Zealand grown Kānuka, Kunzea ericoides (A. Rich) Joy Thomps. American Journal of Essential Oils and Natural Products. 9(1). 32-38.
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KeywordsKānuka; essential oil; Kunzea ericoides; chemical composition; α-pinene
ANZSRC Fields of Research34 - Chemical sciences::3401 - Analytical chemistry::340107 - Quality assurance, chemometrics, traceability and metrological chemistry
34 - Chemical sciences::3404 - Medicinal and biomolecular chemistry::340404 - Cheminformatics and quantitative structure-activity relationships
42 - Health sciences::4208 - Traditional, complementary and integrative medicine::420899 - Traditional, complementary and integrative medicine not elsewhere classified
30 - Agricultural, veterinary and food sciences::3008 - Horticultural production::300899 - Horticultural production not elsewhere classified
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