Pterocarya fraxinifolia

Pterocarya fraxinifolia · Accepted scientific name

Scientific literature: Very Sparse (2 studies) · ★☆☆☆☆

Pterocarya fraxinifolia is a notable plant species that possesses significant biological potential due to its unique chemical composition. The leaves of this plant are particularly rich in bioactive compounds, including flavonoids, phenols, and the specific derivative known as juglone. These chemical constituents allow the plant to demonstrate powerful antimicrobial and antioxidant activities. By utilizing preparations of juglone, the plant can effectively combat the harmful effects of free radicals within biological systems. Consequently, studying the leaf extracts of Pterocarya fraxinifolia offers promising insights into natural therapeutic applications.

Quick facts
Synonyms
Wallia Fraxinifolia · Pterocarya Spachiana · 6 more
Common names
Not available
Family
Juglandaceae
Distribution
Not available
Plant Parts
Leaf

Classification

Common Names

Pterocarya fraxinifolia is a distinctive tree known by several different names across various regions and languages. In Chinese contexts, it is commonly referred to as 高加索楓楊, reflecting its specific botanical identity. English speakers often recognize the species as the Caucasian Walnut or the Caucasian Wingnut. Some specialized or regional variations even list it as the Caucasian Wingnut (EN) to denote specific classifications. Additionally, the name Coeden Cnau Adeiniog serves as another unique identifier for this remarkable plant.

Sources: Catalogue of Life (COL)

Synonyms

Pterocarya fraxinifolia is a species that has been documented under various scientific names throughout botanical history. It is closely linked to the synonyms Juglans fraxinifolia and Juglans pterocarpa, reflecting past taxonomic classifications. The plant is also identified by the name Pterocarya caucasica, which highlights its complex naming lineage. Furthermore, specific varieties such as Pterocarya caucasica var. dumosa and Pterocarya fraxinifolia var. dumosa are recognized within its botanical relationships. Understanding these overlapping synonyms is essential for accurate identification and study of the species.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Pterocarya fraxinifolia is a unique botanical specimen belonging to the kingdom Plantae. Within this vast kingdom, the species is classified under the class Equisetopsida. It further finds its place in the order Fagales, showcasing its evolutionary connections to other woody plants. This tree is a member of the family Juglandaceae, a group known for its distinctive characteristics. Finally, its specific identity is defined by its placement within the genus Pterocarya.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Fagales
Family Juglandaceae
Genus Pterocarya

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Pterocarya fraxinifolia exhibits a broad and diverse natural distribution across various temperate regions of Asia. This species is notably established throughout the Caucasus and the Transcaucasus, thriving in these unique mountainous landscapes. Its presence extends further into Central Asia, where it can be found specifically within the borders of Tajikistan. Additionally, the plant maintains a significant foothold in Western Asia, spanning across the territories of both Iran and Türkiye. Such a wide geographic range highlights the adaptability of this species to different temperate environments across the continent.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Pterocarya fraxinifolia is a majestic tree characterized by its impressive and robust growth form. This species typically reaches significant proportions, with mature specimens attaining a height of at least 25 meters. Under optimal conditions, these trees can soar to a maximum height of 30 meters, making them a commanding presence in any landscape.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Pterocarya fraxinifolia serves as a significant botanical source for the bioactive compound known as juglone. This phenolic compound is recognized for its diverse biological properties, specifically demonstrating both antimicrobial and antioxidant activities. Research indicates that juglone extracted from this plant can effectively mitigate oxidative stress and inflammatory responses. In experimental models of colitis, these inherent characteristics help reduce tissue damage and suppress key inflammatory markers. Consequently, the medicinal potential of Pterocarya fraxinifolia makes it a promising subject for future therapeutic studies regarding inflammatory bowel diseases.

Compounds

Pterocarya fraxinifolia is a plant species characterized by a complex chemical profile that contributes to its significant biological activities. The essential oils found within its leaves are primarily composed of monoterpenes and sesquiterpenes. Among these constituents, bisabolol oxide A stands out as a major compound, accounting for a substantial portion of the leaf essential oil. Furthermore, the plant contains juglone, a bioactive phenolic compound known for its potent antioxidant and anti-inflammatory properties. Together, these diverse chemical relationships underpin the therapeutic potential of the species in addressing various oxidative and inflammatory conditions.

Conditions

Pterocarya fraxinifolia contains juglone, a bioactive compound that effectively treats acetic acid-induced colitis in rat models. By suppressing inflammatory parameters and downregulating the NF-κB-TLR-4 pathway, the plant's extracts demonstrate a capacity to treat inflammatory bowel diseases (IBD). The leaves and bark of this species also provide significant antioxidant benefits that help treat free radicals. Specifically, the leaf extract exhibits strong DPPH radical-scavenging activities and high peroxidation inhibition. These combined properties position the plant as a potential therapeutic candidate for managing inflammation and oxidative stress.

Preparations

Pterocarya fraxinifolia is the botanical source from which juglone is prepared using the maceration method. This extracted phenolic bioactive compound possesses significant antimicrobial, antioxidant, and anti-inflammatory characteristics. In experimental models, the juglone derived from this plant was used to evaluate therapeutic impacts on acetic acid-induced colitis. Research indicates that the compound can effectively decrease colonic tissue damage and suppress inflammatory parameters. Consequently, the juglone prepared from Pterocarya fraxinifolia serves as a potential therapeutic candidate for managing inflammatory bowel disease.

Parts used

Pterocarya fraxinifolia contains leaves that serve as a significant source of potent antioxidant compounds. Recent research highlights that these leaves exhibit much higher radical-scavenging activities compared to the plant's bark. This enhanced performance is largely attributed to the elevated levels of total phenols and flavonoids found within the leaf tissue. Furthermore, the essential oil extracted from the leaves is rich in sesquiterpenes and monoterpenes, most notably bisabolol oxide A. Ultimately, the specific chemical composition of these leaves makes them a highly effective agent for inhibiting peroxidation.