Oplopanax elatus

Oplopanax elatus · Accepted scientific name

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

Oplopanax elatus, commonly known as false ginseng, is a significant medicinal plant valued for its diverse biological properties. Research indicates that the plant possesses notable antioxidant activities that contribute to its therapeutic potential. Key bioactive compounds found within the species include flavonoids and triterpenoids, which are essential to its medicinal profile. These chemical constituents are primarily concentrated within the leaves and the root systems of the plant. Recent studies have focused on utilizing adventitious root (AR) culture as an efficient preparation method to harness these valuable secondary metabolites.

Quick facts
Synonyms
Echinopanax Elatus · Oplopanax Horridus Subsp. Elatus
Common names
Not available
Family
Araliaceae
Distribution
Not available
Plant Parts
Root · Leaf

Classification

Common Names

Oplopanax elatus is a fascinating plant known by many diverse names across different cultures and languages. In English-speaking regions, it is frequently referred to as Japanese devil's-club. It also carries the name Nakai, which serves as another common identifier for the species. Linguistic variations further expand its identity, such as the term ci shen or the Czech name všehojník vysoký. Finally, the plant is recognized in other traditions by the name Заманиха высокая, showcasing its widespread botanical significance.

Sources: Catalogue of Life (COL)

Synonyms

Oplopanax elatus is a botanical subject that is frequently identified through various scientific designations. In many botanical records, the plant is listed under the synonym Echinopanax elatus. Researchers may also encounter it described as Oplopanax horridus subsp. elatus depending on the taxonomic classification used. These overlapping names reflect the evolving nature of plant nomenclature and historical study. Understanding these relationships is essential for anyone navigating the complex world of plant identification.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Oplopanax elatus is a remarkable botanical specimen that belongs to the kingdom Plantae. Within this vast biological realm, the plant is classified under the class Equisetopsida. It is further categorized into the order Apiales, showcasing its specific evolutionary lineage. This species is a member of the genus Oplopanax, which distinguishes it from other similar plants. Finally, it finds its place within the Araliaceae family, completing its complex taxonomic identity.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Apiales
Family Araliaceae
Genus Oplopanax

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Oplopanax elatus is a distinct species primarily concentrated within the Asia-Temperate regions. Its natural range extends across the diverse landscapes of China and Manchuria. In addition to these areas, the plant is well-established throughout Eastern Asia, specifically within Korea. The distribution further reaches into the Russian Far East, particularly throughout the Primorye region. This specific geographical spread highlights the plant's importance within these temperate ecosystems.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Oplopanax elatus is a versatile shrub that maintains a self-supporting growth form in its natural habitat. This plant exhibits a remarkable range in size, with individual specimens varying significantly in stature. While some tiny shoots may only reach a height of 0.01 m, others develop into much larger structures. Most mature individuals typically stand at a minimum of 2 m tall. Ultimately, these resilient shrubs can reach a maximum height of 3 m.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Oplopanax elatus is a highly valuable medicinal plant recognized for its significant antioxidant properties. Research indicates that its beneficial compounds, such as flavonoids and phenolics, can be significantly enhanced through specialized cultivation techniques. By using elicitors like salicylic acid or yeast extract in adventitious root cultures, scientists can boost both metabolite production and antioxidant enzyme activity. Specifically, these treatments have been shown to improve DPPH scavenging and Fe2+ chelating rates, confirming the plant's potent bioactive potential. Such advancements in bioreactor-cultured systems offer a promising pathway for the industrial production of antioxidant-rich materials from this endangered species.

Compounds

Oplopanax elatus is a highly valued medicinal plant recognized for its rich profile of pharmacologically important secondary metabolites. Research indicates that this species contains significant amounts of flavonoids, which can be further enhanced through specialized elicitation strategies using salicylic acid or yeast extract. Furthermore, the plant is a known source of essential triterpenoids, including betulin and lupeol. Quantitative analysis also confirms the presence of oleanolic acid within its tissues, particularly as the plant tissues regenerate. Together, these chemical constituents highlight the complex metabolic potential of the species for future industrial and therapeutic applications.

Conditions

Oplopanax elatus demonstrates significant antioxidant capabilities by increasing ABTS+ scavenging and DPPH scavenging rates. The plant also improves the Fe2+ chelating rate, particularly when treated with salicylic acid to enhance metabolite production. In therapeutic models, Oplopanax elatus treats LPS-induced acute lung injury disease by reducing cell infiltration and proinflammatory mediators. Furthermore, the plant effectively treats LPS-induced inflammation by suppressing MAPK and NF-κB signaling pathways. These combined properties highlight the medicinal potential of its adventitious root cultures.

Preparations

Oplopanax elatus is prepared as adventitious root (AR) culture to serve as an effective method for producing valuable medicinal raw materials. This culture system is utilized in fed-batch processes to enhance the synthesis of important metabolites like flavonoids and phenolics. Researchers have successfully applied salicylic acid as an elicitor within these AR cultures to significantly increase antioxidant activity and chemical content. Additionally, yeast extract is used in bioreactor-cultured AR systems to promote flavonoid accumulation for potential industrial production. These cultivation techniques provide a sustainable way to obtain plant materials from this endangered species.

Parts used

Oplopanax elatus is an endangered medicinal plant that contains highly valuable bioactive compounds within its various structures. Research into the adventitious roots of this species has demonstrated significant anti-inflammatory effects by suppressing specific signaling pathways. Furthermore, the root tissues serve as a vital source for studying triterpenoid biosynthesis and enhancing flavonoid production through elicitation strategies. Beyond the roots, the leaves of the plant also provide unique chemical constituents, such as the newly isolated saponins cirensenoside Q and R. Together, these different parts of Oplopanax elatus offer diverse pharmacological potential for medical applications.