Pelargonium odoratissimum
Pelargonium odoratissimum · Accepted scientific name
Scientific literature: Very Sparse (5 studies) · ★☆☆☆☆
Pelargonium odoratissimum is a remarkable botanical species widely recognized for its potent medicinal and aromatic properties. Various preparations, such as its essential oil (POEO) and ethyl acetate extract, are studied for their diverse biological activities. The plant is rich in key chemical compounds, including citronellol, citronellyl formate, and nerol, which contribute to its unique profile. Research focuses on its significant antibacterial, antimicrobial, and antioxidant capabilities, particularly its effectiveness against Enterobacteriaceae. Consequently, these attributes make it a valuable candidate for use as a natural preservative due to its specific odor and antioxidant activity.
- Synonyms
- Cortusina Odoratissima · Pelargonium Odoratum · 5 more
- Common names
- Not available
- Family
- Geraniaceae
- Distribution
- Asia-Tropical
- Plant Parts
- Not available
Classification
Common Names
Pelargonium odoratissimum is a versatile plant that is recognized by several distinct common names across different cultures. It is widely known as the Apple Storksbill due to its unique fragrance, though it is also frequently referred to as a Scented Geranium. In certain regions, you may encounter it called Geranio de olor or even Mentol, reflecting its aromatic qualities. The plant also carries the name Zitronenpelargonie, highlighting its citrus-like scent profile. Regardless of the name used, this species remains a beloved choice for gardeners seeking sensory beauty.
Sources: Catalogue of Life (COL)
Synonyms
Pelargonium odoratissimum is a botanical species that is recognized by several different scientific synonyms. Throughout various taxonomic classifications, it has been referred to as Cortusina odoratissima and Geraniospermum odoratissimum. Historical records also link the plant to the name Geranium africanum. Furthermore, it has been documented under the synonyms Geranium odoratissimum and Geranium odoratum. These varying names reflect the complex shifting history of its botanical identification.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Pelargonium odoratissimum is a distinctive species that belongs to the vast kingdom Plantae. Within this expansive biological realm, it is classified under the class Equisetopsida. This plant is further organized into the order Geraniales, which helps define its evolutionary lineage. It is a proud member of the family Geraniaceae, showcasing the unique traits shared by its relatives. Ultimately, this specimen is identified by its specific genus, Pelargonium.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Geraniales |
| Family | Geraniaceae |
| Genus | Pelargonium |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Pelargonium odoratissimum is a resilient species with a broad geographical footprint across the African continent. Its primary distribution spans the diverse landscapes of Southern Africa, including the unique Cape Provinces. The plant can also be found thriving in the regions of Eswatini and KwaZulu-Natal. Furthermore, its presence extends into the Northern Provinces, showcasing its adaptability to various climates. Beyond the mainland, this species also reaches the Macaronesia islands, specifically inhabiting Madeira.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Pelargonium odoratissimum is a charming herb that maintains a self-supporting growth form. This plant typically stays quite low to the ground, reaching a modest maximum height of 0.3 m. Depending on its environmental conditions, its stature generally fluctuates between a minimum of 0.1 m and 0.2 m. Such compact dimensions make it an ideal choice for various garden settings. Overall, its small size and sturdy structure define its unique presence in the landscape.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Pelargonium odoratissimum has emerged as a plant of significant interest due to its diverse biological properties and potential industrial applications. Research indicates that the plant possesses potent antimicrobial and antibacterial activities, demonstrating effectiveness against various bacterial strains including Staphylococcus aureus and Enterococcus faecalis. Furthermore, its essential oils exhibit strong antioxidant capabilities, with efficacy levels comparable to standard gallic acid. These combined characteristics allow the plant to function as an effective natural preservative, particularly in extending the shelf life and maintaining the safety of food products like ground beef. Consequently, the secondary metabolites found in P. odoratissimum represent promising scaffolds for future advancements in both drug development and food science.
Compounds
Pelargonium odoratissimum is a plant highly valued for the potent essential oils it produces. Chemical analysis of its essential oil reveals a specific profile of key aromatic constituents. Specifically, the oil is characterized by a high concentration of citronellol, which makes up 40.0% of its composition. Additionally, the plant contains significant amounts of nerol and citronellyl formate. These specific chemical relationships contribute to the oil's overall efficacy as a natural preservative.
Conditions
Pelargonium odoratissimum provides significant preservative benefits by effectively treating odor in ground beef to maintain sensory acceptability. The plant's essential oils and extracts also work to treat the aerobic plate count, significantly reducing microbial growth during storage. Furthermore, it helps treat Enterobacteriaceae, including species such as Salmonella, to improve food safety. Research indicates that the plant is effective at treating Enterococcus faecalis ATCC 29212, which was identified as a highly susceptible strain. Finally, Pelargonium odoratissimum demonstrates antibacterial potential by treating S. aureus ATCC25923 through the inhibition of bacterial growth and biofilm formation.
Preparations
Pelargonium odoratissimum is prepared as essential oils, which are utilized for their medicinal properties and food preservation capabilities. These essential oils are also specifically referred to as POEO in studies evaluating their antimicrobial and antioxidant effects on ground beef. Furthermore, the plant is prepared as a Pelargonium odoratissimum ethyl acetate extract to harness its bioactive compounds. This specific ethyl acetate fraction serves as a potent natural preservative to reduce microbial growth and lipid oxidation. Ultimately, these various preparations, including the essential oils and the ethyl acetate extract, demonstrate significant potential for improving food safety and shelf life.