Nauclea officinalis

Nauclea officinalis · Accepted scientific name

Scientific literature: Very Sparse (6 studies) · ★☆☆☆☆

Nauclea officinalis is a versatile medicinal plant known for its diverse therapeutic activities, including antibacterial, antiviral, analgesic, and antipyretic properties. The plant's chemical profile is characterized by potent compounds such as flavonoids, pumiloside, angustine, and angustoline. Various parts of the plant, specifically the stem and leaves, are utilized to treat conditions like fever and pneumonia. Researchers often utilize preparations including aqueous extracts, bark, and 95% ethanol extracts to harness its medicinal potential. Ultimately, this plant serves as a significant source for developing effective anti-bacterial agents and pain relief treatments.

Quick facts
Synonyms
Nauclea Brunnea · Sarcocephalus Officinalis
Common names
Not available
Family
Rubiaceae
Distribution
Not available
Plant Parts
Stem · Leaf

Classification

Common Names

Nauclea officinalis is a fascinating plant species that is widely recognized by its common name, wu tan. This botanical specimen holds significant value in various cultural and medicinal contexts across its native regions. Understanding its specific identity helps researchers and herbalists connect it to traditional practices. By learning about its local nomenclature, one gains a deeper appreciation for its ecological role. Ultimately, studying the wu tan provides essential insights into the rich diversity of the natural world.

Sources: Catalogue of Life (COL)

Synonyms

Nauclea officinalis is a botanical species that is frequently identified by several different scientific names. Within various taxonomic records, it is recognized by the synonym Nauclea brunnea. This plant is also documented under the alternative name Sarcocephalus officinalis. Understanding these varying designations is essential for accurate identification in botanical studies. Consequently, researchers must navigate these synonymous relationships to ensure clarity when discussing the species.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Nauclea officinalis belongs to the diverse kingdom Plantae, representing a unique branch of the natural world. Within this vast kingdom, the species is classified under the class Equisetopsida. It further falls into the order Gentianales, which helps scientists understand its evolutionary connections. As a member of the genus Nauclea, it displays specific morphological characteristics unique to its lineage. Finally, this plant is a distinguished representative of the Rubiaceae family.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Gentianales
Family Rubiaceae
Genus Nauclea

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Nauclea officinalis exhibits a broad geographical range that spans both temperate and tropical regions of Asia. Within the temperate zones, the species is widely distributed throughout China, including the specific southeastern provinces and the island of Hainan. Its presence extends significantly into the tropical landscapes of Indo-China, where it thrives in diverse ecosystems. Specifically, the plant is well-established in the natural habitats of Cambodia, Laos, and Thailand. This extensive distribution highlights the adaptability of the species across varying Asian climates.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Nauclea officinalis is a self-supporting species characterized by its distinct tree growth form. This robust plant can reach impressive proportions in the wild as it matures. Depending on the specific environmental conditions, its height typically reaches a maximum of 30 m. However, under optimal circumstances, some specimens may grow even taller, peaking at a maximum height of 33 m.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Nauclea officinalis is a highly valued Chinese medicinal herb recognized for its diverse pharmacological properties. Research indicates that the plant possesses significant antibacterial and antiviral activities, making it useful in treating various infections. Furthermore, its medicinal profile includes potent analgesic effects, which can assist in managing pain. The herb also demonstrates antipyretic functions, providing a natural means to help reduce fever. These combined biological activities underscore the significant therapeutic potential of this species in traditional and modern medicine.

Compounds

Nauclea officinalis is a highly valued Chinese medicinal herb known for its diverse range of phytochemical properties. Extensive research has confirmed that this plant contains essential bioactive compounds, including flavonoids and various glycosides. Among its many chemical constituents, specific alkaloids such as angustine and angustoline have been successfully isolated from its leaves. Furthermore, the plant serves as a significant source of pumiloside, which can be efficiently purified for medicinal use. These complex chemical relationships underpin the herb's wide-ranging pharmacological effects, such as its anti-inflammatory and antibacterial activities.

Conditions

Nauclea officinalis serves as a potent medicinal agent that treats anti-inflammatory conditions through various molecular mechanisms. This plant is traditionally utilized to treat fever and pneumonia in clinical settings. Research demonstrates that it effectively treats inflammation in LPS-mediated RAW 264.7 macrophages by suppressing the NF-κB signaling pathway. Furthermore, its bioactive components can treat the IgE-mediated inflammatory signaling pathway by modulating key proteins like Lyn, FcεR, Syk, and p-Gab2. These diverse pharmacological effects highlight its significant therapeutic potential in managing complex inflammatory responses.

Preparations

Nauclea officinalis is prepared as a 95% ethanol extract to facilitate the isolation of various alkaloids from its leaves. This plant is also prepared as aqueous extracts through boiling water extraction to analyze its terpenoid content and anti-inflammatory effects. Researchers have utilized the bark of Nauclea officinalis to isolate new indole alkaloids for medicinal study. Furthermore, the plant is prepared as extracts that are extensively cultivated for their valuable pharmacological components. Finally, Nauclea officinalis is prepared as a traditional cough syrup used to alleviate respiratory inflammations.

Parts used

Nauclea officinalis is a plant of significant medicinal interest, particularly regarding the chemical properties found within its stems and leaves. Research indicates that both the stems and leaves contain various bioactive monoterpene indole alkaloids, which exhibit notable anti-inflammatory and anti-HIV-1 activities. While both parts share several chemical compositions, studies using HPLC and LC-MS reveal that the strictosamide content is higher in the stems than in the leaves. Furthermore, the leaves possess a greater variety of chemical compositions overall compared to the stems. These findings provide a critical scientific foundation for the sustainable utilization and pharmaceutical development of the various components of Nauclea officinalis.