Distinct Drimane Chemotypes in Tasmanian Mountain Pepper (Tasmannia lanceolata): Differences in the Profiles of Pungent Leaf Phytochemicals Associated with Altitudinal Cline
| Autor: | Gregory J. Jordan, Bianca J. Deans, Jason A. Smith, Nathan L. Kilah, Jeremy Just, Alex C. Bissember, Laura Tedone |
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| Rok vydání: | 2019 |
| Předmět: |
0106 biological sciences
Chemotype biology Sclerophyll 010401 analytical chemistry Polygodial General Chemistry Cline (biology) Woodland biology.organism_classification 01 natural sciences 0104 chemical sciences chemistry.chemical_compound Altitude chemistry Botany Pepper General Agricultural and Biological Sciences Tasmannia lanceolata 010606 plant biology & botany |
| Zdroj: | Journal of Agricultural and Food Chemistry. 68:315-322 |
| ISSN: | 1520-5118 0021-8561 |
| Popis: | This study assesses whether the distinct altitudinal cline in leaf morphology (decreased leaf width and length with increased altitude) in Tasmanian mountain pepper (Tasmannia lanceolata) is associated with changes in the leaf chemistry of wild populations from different ecological landscapes and altitudes. The presence of distinct pungent drimane sesquiterpenoid chemotypes was identified: subalpine woodland and wet sclerophyll forest chemotypes. Isolation studies and analysis of extracts revealed that wet sclerophyll forest T. lanceolata populations featured polygodial as the principal terpenoid, with profiles similar to the commercial cultivars sampled. In contrast, the subalpine woodland populations contained the drimane sesquiterpenoids 1β-acetoxy-9-deoxyisomuzigadial and 3β-acetoxydrimenin and the conspicuous absence of the pungent principle polygodial. |
| Databáze: | OpenAIRE |
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