Parasenecio albus

Parasenecio albus · Accepted scientific name

Scientific literature: Very Sparse (1 studies) · ★☆☆☆☆

Parasenecio albus is a botanical species known for its distinctive biological properties and unique physiological makeup. When utilized in scientific studies, the whole plant is frequently employed as the primary subject for biochemical analysis. Research indicates that this plant possesses significant cytotoxic activities, making it a subject of interest in pharmacological investigations. These potent cellular effects suggest that the various compounds found throughout its structure can interfere with living cell processes. Understanding the implications of these toxic properties is essential for exploring its potential applications in medical science.

Quick facts
Synonyms
Not available
Common names
Not available
Family
Asteraceae
Distribution
Not available
Plant Parts
Not available

Classification

Taxonomy

Parasenecio albus is a distinctive botanical specimen belonging to the vast kingdom Plantae. Within this expansive group, it is classified under the class Equisetopsida and the order Asterales. This plant is a member of the specialized genus Parasenecio, which highlights its unique evolutionary path. Furthermore, it falls under the widely recognized family Asteraceae, connecting it to a diverse array of flowering species. Through these biological classifications, the specific identity and lineage of the plant are clearly defined.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Asterales
Family Asteraceae
Genus Parasenecio

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Parasenecio albus is a plant species primarily found within the temperate regions of Asia. Its natural distribution is concentrated within China, where it thrives in diverse environmental settings. Specifically, the species is documented to inhabit the South-Central regions of the country. Additionally, it can be found extending into the Southeast portions of China. These specific geographic patterns highlight the plant's specialized presence within the Asian landscape.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Biological Activities

Parasenecio albus has been identified as a significant source of unique chemical compounds known as eremophilane lactones. Researchers isolated ten previously unreported derivatives, termed parasalbolides A-J, from the whole plant during recent studies. These specific isolates were subjected to rigorous structural analysis using spectroscopic methods and X-ray diffraction to confirm their identities. Notably, the investigation revealed that certain components of the plant possess potent cytotoxic and immunosuppressive activities. Among these, the (10S)-eremophilane lactones demonstrated more significant cytotoxic potential than their (10R) counterparts.

Compounds

Conditions

Parasenecio albus contains eremophilane sesquiterpenoids that possess significant immunosuppressive activity. Within the plant, specific isolates such as compounds 4, 5, and 12 demonstrate the ability to treat LPS-induced B-cell proliferation. These particular compounds show moderate inhibition against such proliferation with specific IC50 values ranging from 23.1 to 33.8 μM. The presence of these highly oxygenated eremophilane lactones directly contributes to the plant's ability to manage immunosuppressive responses. Consequently, the chemical constituents of Parasenecio albus play a key role in regulating B-cell activity.

Preparations

Parasenecio albus is prepared as the whole plant to facilitate the isolation of diverse chemical compounds. From this complete plant material, researchers successfully extracted fifteen new highly oxygenated eremophilane sesquiterpenoids known as parasubolides A-O. The whole plant also serves as the source for seven unique eremophilanyl indoles, designated as parasubindoles A-G. Furthermore, ten previously unreported eremophilane lactones, termed parasalbolides A-J, were identified from the entire plant specimen. These various phytochemicals, all derived from the whole plant of Parasenecio albus, demonstrate significant immunosuppressive and cytotoxic activities.

Parts used