Phytochemical analysis of boreal forest flora of Northwestern Ontario, Canada
Notice bibliographique
Résumé
The following research document has been written in the format of a thesis by publication. As such, there is an introductory and concluding chapter to provide addition information and context to the scope of the study, though the major research is contained in the three chapters (chapters 2-4). Each chapter focusses on the phytochemical analysis of one of three flora species selected from the Boreal forest habitat of Northwestern Ontario, Canada. Each of the chapters are prepared as manuscripts and contain an introduction, method, results, discussion, and conclusion, also including references that pertain to each individual chapter. The original research is in the process of being submitted for publication in peer reviewed journals. The three species that were chosen for this study were the Sweet flag (Acorus calamus var. americanus (Raf.) H. Wulff), Sweet gale (Myrica gale L.) and Wild ginger (Asarum canadense L.). These are aromatic plants and each of these plants contain and release volatile aromatic compounds that are detectable by human olfactory senses. Many of the aromatic and compounds found in these plants have known bioactive properties. Testing using Gas Chromatography coupled Mass Spectrometry (GCMS) was conducted to identify and report on the phytochemical constituents present in the selected flora species. Phytochemical constituents can aid in the chemotaxonomic placement of flora species within its taxonomic placement, such as the determination of species sub-variety (ie. the Acorus variation, americanus). As well, phytochemical analysis can also identify compounds of bioactive interest, which includes medicinal properties, such as with the aromatic compound limonene and its sought-after anxiolytic-like properties (Lima et al., 2013). The introduction establishes the background geographical and botanical characteristics of the plants analysed. The analysis of Acorus calamus var. americanus (Raf.) H. Wulff by GCMS, in this research, characterises much of the phytochemicals and confirms the absence of ?-asarone, a bioactive compound found in the European species, Acorus calamus L. Sweet gale, Myrica gale L., has previously been reported to have different chemical composition relative to its geographical location, making chemotaxonomic identification of species challenging. However, it does provide support for the chemotaxonomic classification of Sweet gale into various geographically defined varieties, enabling determination of the geographic origins of plants identified. The phytochemical analysis has never been performed for Sweet gale found in Northwestern, Ontario for this chemotaxonomic geographical characterisation. The analysis of the Asarum canadense L., Wild ginger, has confirmed the absence of compounds (like ?-asarone) that have been found in other related species and identified compounds pertinent for its medicinal use in Northwestern Ontario, Canada. The phytochemical analysis has also provided a geographically relevant chemotaxonomic characterisation for the region. The results of these analyses provide the opportunity for chemotaxonomic geographic identification of three of the Northwestern Ontario plant species that have research interest elsewhere in the world.
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Comment cette classification a été obtenuedéplier
Prédiction distillée sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Apprise à partir de 10 348 étiquettes directes de Codex et de 10 348 étiquettes directes de Gemma. Le mode candidate est l'union des têtes enseignantes seuillées; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont ni des étiquettes humaines ni des étiquettes directes de modèles de pointe.
Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,000 | 0,000 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,001 | 0,000 |
| Bibliométrie | 0,000 | 0,001 |
| Études des sciences et des technologies | 0,000 | 0,000 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,001 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,000 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule tête enseignante, pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».