Orixa japonica
Orixa japonica · Accepted scientific name
Scientific literature: Very Sparse (1 studies) · ★☆☆☆☆
Orixa japonica is a versatile plant species known for its diverse biological properties derived from its roots, leaves, and stems. Recent studies have focused on the antimicrobial activities of its various preparations, specifically ethanol and methanolic extracts. A key chemical component identified in these studies is pteleprenine, which contributes to the plant's therapeutic potential. Research has demonstrated significant efficacy against common skin pathogens, including Propionibacterium acnes and Staphylococcus epidermidis. Consequently, this plant shows great promise as a natural source for combating microbial infections.
- Synonyms
- Glochidion Vaniotii · Orixa Japonica F. Variegata · 12 more
- Common names
- Not available
- Family
- Rutaceae
- Distribution
- Not available
- Plant Parts
- Root · Leaf
Classification
Common Names
Orixa japonica is a botanical species known by a variety of different names across various regions and languages. It is frequently referred to by its common English name, the Japanese Orixa, as well as the Polish designation Oriksa japońska. In some contexts, you may encounter the traditional term ko-kusagi used to identify this plant. It is also commonly known simply as orixa, reflecting its primary classification. Finally, the name orixa japonská serves as another common way to identify this distinctive plant.
Sources: Catalogue of Life (COL)
Synonyms
Orixa japonica is a botanical subject often encountered under a variety of different scientific names. Throughout historical literature, this species has been identified by several synonyms, including Celastrus dilatatus and Celastrus japonicus. It is also frequently referred to as Celastrus orixa in various taxonomic records. Other documented classifications for the plant include Euodia ramiflora and Glochidion vaniotii. Understanding these shifting relationships is essential for accurate identification and study within the botanical community.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Orixa japonica is a distinctive botanical species belonging to the kingdom Plantae. Within this vast kingdom, it is classified under the class Equisetopsida. It further falls into the order Sapindales, showcasing its evolutionary connection to a specific group of flowering plants. This plant is a member of the genus Orixa, which helps botanists categorize its unique traits. Ultimately, it is identified as a part of the Rutaceae family, placing it among its citrus-related relatives.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Sapindales |
| Family | Rutaceae |
| Genus | Orixa |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Orixa japonica is a resilient species primarily distributed throughout the temperate regions of Asia. Its presence is widely documented across China, spanning from the north-central territories to the south-central and southeast provinces. Beyond mainland China, the plant also thrives within the unique ecosystems of Eastern Asia. Specifically, it maintains established populations in both Japan and Korea. This broad geographical range highlights the plant's adaptability to various temperate climates across the continent.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Orixa japonica is characterized by its distinctive growth form as a tree.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Orixa japonica has demonstrated significant antimicrobial activity against key pathogens involved in the development of acne. Specifically, research shows that its ethanol extract can effectively inhibit the growth of both Propionibacterium acnes and Staphylococcus epidermidis. Beyond its ability to combat these bacteria, the plant also contributes to reducing inflammation by lowering the secretion of specific cytokines. Furthermore, studies indicate that the extract maintains a low level of cytotoxicity toward human skin cells, making it safer for topical use. These combined properties suggest that the plant is a promising candidate for future acne-mitigating dermatological treatments.
Compounds
Orixa japonica serves as the natural source from which the quinoline alkaloid pteleprenine is extracted. Scientific investigations into this compound have focused on its specific pharmacological effects within biological tissues. Research indicates that pteleprenine demonstrates a significant inhibitory action against nicotinic acetylcholine receptors in the guinea-pig ileum. Interestingly, these inhibitory effects were not observed in the contractile responses of the canine left atrium. Consequently, these findings suggest that pteleprenine may hold potential as a novel lead compound for developing nicotinic receptor antagonists.
Conditions
Orixa japonica demonstrates significant therapeutic potential by effectively treating several pathogenic organisms. The plant's quinoline alkaloids exhibit strong antifungal activities against Magnaporthe oryzae, Phomopsis sp., and Rhizoctonia solani. Additionally, ethanol extracts of the plant serve as effective antibacterial agents against Propionibacterium acnes. It also successfully inhibits the growth of Staphylococcus epidermidis, a common bacterium involved in acne inflammation. These diverse properties highlight the plant's ability to combat both fungal and bacterial pathogens.
Preparations
Orixa japonica is prepared as ethanol extracts to evaluate its antimicrobial activities against acne-inducing bacteria like Propionibacterium acnes and Staphylococcus epidermidis. These ethanol-based preparations demonstrate an ability to inhibit pathogen growth and reduce inflammatory secretions in specific cell lines. Additionally, Orixa japonica is prepared as a methanolic extract from leaves to study its chemical interactions with insects. This specific leaf extract serves as an oviposition stimulant for the swallowtail butterfly, Papilio bianor. Through these different extraction methods, the plant's medicinal and biological properties are effectively utilized for scientific study.
Parts used
Orixa japonica is a biologically diverse medicinal plant that serves as a significant source of various specialized metabolites. Research has demonstrated that its roots contain unique endophytic fungi and potent quinoline alkaloids with notable anti-pathogenic properties. The leaves of the species also play a crucial ecological role by producing chemical stimulants that induce oviposition in the swallowtail butterfly, Papilio bianor. Furthermore, the stems of the plant have been found to harbor distinct quinolone alkaloids, such as orixalone A, which exhibit inhibitory activity against nitric oxide production. Together, these findings highlight how different parts of Orixa japonica contribute to complex chemical interactions within their environments.