Angelica shikokiana

Angelica shikokiana · Accepted scientific name

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

Angelica shikokiana is a medicinal plant whose therapeutic potential is primarily concentrated within its root and various botanical extracts. Research has highlighted its significant pharmacological activities, specifically its anticoagulant and antiplatelet properties. These biological effects are driven by a diverse profile of bioactive chemicals, including coumarins, flavonoids, bergapten, and hyuganin C. By utilizing preparations such as the EtO Ac fraction, MeOH fraction, and methanol extract of the aerial part (AME), scientists can better harness these compounds. Consequently, this plant shows great promise in the management and prevention of various cardiovascular diseases.

Quick facts
Synonyms
Not available
Common names
Not available
Family
Apiaceae
Distribution
Not available
Plant Parts
Root

Classification

Common Names

Angelica shikokiana is a distinguished botanical species known for its unique characteristics and medicinal potential. In local contexts, this plant is frequently referred to by its common Japanese name, イヌトウキ. Understanding these regional naming conventions is essential for researchers and herbalists working within the field. By identifying the plant through both its scientific and common titles, one can more easily navigate its traditional uses. This connection between formal taxonomy and local identity highlights the deep cultural integration of the species.

Sources: Catalogue of Life (COL)

Taxonomy

Angelica shikokiana is a distinctive botanical specimen belonging to the kingdom Plantae. Within this vast kingdom, it is classified under the class Equisetopsida. This species is a member of the order Apiales, which helps define its structural characteristics. Further narrowing its biological identity, it falls under the family Apiaceae. Ultimately, it is defined by its placement within the genus Angelica.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Apiales
Family Apiaceae
Genus Angelica

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Angelica shikokiana is a distinctive plant species primarily found within the Asia-Temperate climatic zone. Its natural distribution is concentrated in Eastern Asia, where it thrives in specific ecological niches. Within this vast region, Japan serves as a key geographical stronghold for the species. Understanding its precise habitat is essential for studying its role in local ecosystems. Consequently, this plant remains a notable botanical feature of the Japanese landscape.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Angelica shikokiana is characterized by its distinct growth form as an herb.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Angelica shikokiana is a Japanese medicinal plant traditionally utilized to treat various cardiovascular ailments. Recent scientific investigations have confirmed that the methanol extract of its aerial parts possesses potent anticoagulant and antiplatelet activities. Research indicates that these therapeutic effects are largely driven by specific flavonoid compounds and certain coumarins like hyuganin C and bergapten. While colonic metabolites of these flavonoids maintain similar biological effectiveness, glucuronides show a significant decrease in such activities. Ultimately, this study marks the first formal report establishing the plant's capacity to influence blood clotting and platelet aggregation.

Compounds

Angelica shikokiana is a Japanese medicinal plant known to contain a diverse range of bioactive compounds, including flavonoids and coumarins. Within this chemical profile, specific constituents such as bergapten and hyuganin C have been identified for their significant roles in antiplatelet and anticoagulant activities. The plant also contains isoepoxypteryxin, which serves as a major coumarin that can undergo biotransformation to enhance its biological effects. Research indicates that these various phytochemicals contribute to the plant's traditional use in treating cardiovascular ailments. Together, these relationships highlight the complex chemical makeup that drives the therapeutic potential of the species.

Conditions

Angelica shikokiana treats cardiovascular diseases through its traditional medicinal use and demonstrated potent anticoagulant and antiplatelet activities. The plant treats adrenaline-induced lipolysis through specific fractions and compounds like isopteryxin, while its methanol fraction treats ACTH-induced lipolysis. It also treats antiplatelet aggregation by increasing the inhibition of thromboxane-A2 synthase activity and thromboxane-A2 production, particularly through its biotransformed metabolites. Furthermore, Angelica shikokiana treats cytotoxicity, with certain polar metabolites showing stronger and more selective effects than the parent compounds. These diverse biological properties highlight the plant's significant therapeutic potential in managing various metabolic and circulatory conditions.

Preparations

Angelica shikokiana is prepared as an EtO Ac fraction from its roots to study its effects on adrenaline-induced lipolysis. This plant is also prepared as a MeOH fraction, which has been shown to inhibit ACTH-induced lipolysis in rat fat cells. Furthermore, Angelica shikokiana is prepared as a methanol extract of the aerial part, also known as Angelica methanol extract (AME). These different preparations allow researchers to isolate specific compounds like coumarins and flavonoids for various medicinal analyses. Each distinct preparation method serves to highlight specific pharmacological properties ranging from lipid metabolism to anticoagulant activities.

Parts used

Angelica shikokiana contains specific active compounds that are primarily derived from its root. Research indicates that various fractions of these roots can significantly influence lipid metabolism within fat cells. By isolating substances such as psoralen and bergapten, scientists have identified how these components interact with adrenaline and ACTH. Certain coumarin derivatives found in the root, such as isopteryxin, also play a distinct role in inhibiting lipolysis. Ultimately, studying the root of this plant provides valuable insights into the complex chemical processes governing fat cell activity.