Sophora exigua

Sophora exigua · Accepted scientific name

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

Sophora exigua is a plant species currently being investigated for its significant bioactive properties. Recent studies have focused on its ethanolic extracts to evaluate their potent antibacterial and antimicrobial activities. A key chemical constituent identified in these preparations is the flavanone known as Sophoraflavanone G. Research indicates that this compound can effectively target various pathogens, including Actinomycetes and Candida albicans. Furthermore, the mechanism of action is linked to the disruption of membrane fluidity within these microbial cells.

Quick facts
Synonyms
Not available
Common names
Not available
Family
Fabaceae
Distribution
Not available
Plant Parts
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Classification

Common Names

Sophora exigua is a plant widely recognized by its traditional Chinese common name, 小苦參. This species holds a significant place in botanical studies due to its unique chemical properties and cultural importance. Many practitioners value the plant for its specific roles within local herbal traditions. Understanding its identity through both scientific and common nomenclature is essential for accurate identification. Consequently, exploring the relationship between its formal name and its local moniker provides deeper insight into its heritage.

Sources: Catalogue of Life (COL)

Taxonomy

Sophora exigua is a fascinating member of the kingdom Plantae that belongs to the class Equisetopsida. Within this biological framework, the plant is classified under the order Fabales. It specifically falls into the family Fabaceae, a group known for its diverse and important botanical characteristics. Furthermore, this species is a distinct representative of the genus Sophora. Understanding these taxonomic relationships helps researchers better appreciate its unique place in the natural world.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Fabales
Family Fabaceae
Genus Sophora

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Sophora exigua is a plant species characterized by its specific distribution throughout the tropical regions of Asia. It can be found naturally spanning across the diverse landscapes of Indo-China. Within this region, the species is notably present in the country of Cambodia. Its habitat further extends into Myanmar and throughout the various terrains of Thailand. Additionally, the plant maintains a significant presence within the borders of Vietnam.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Biological Activities

Sophora exigua has demonstrated significant medicinal potential through its potent antibacterial and antimicrobial activities. Research indicates that the phytochemical sophoraflavanone G, isolated from this plant, exerts an antibacterial effect by reducing the fluidity of cellular membranes. This reduction in membrane fluidity affects both the hydrophilic and hydrophobic regions of the cell, hindering bacterial growth. Furthermore, studies on the Thai traditional remedy “Kheaw-Hom” reveal that the ethanolic extract of Sophora exigua possesses high antimicrobial activity against Candida albicans. These findings collectively highlight the plant's value in combating various microbial pathogens.

Compounds

Sophora exigua serves as a natural source for the potent phytochemical known as sophoraflavanone G. This specific compound has demonstrated intensive antibacterial activity through a unique pharmacological mechanism. Research indicates that sophoraflavanone G works by significantly reducing the membrane fluidity of target bacteria. By altering the fluidity of both the hydrophilic and hydrophobic regions of cellular membranes, the compound effectively inhibits bacterial growth. This specialized action distinguishes sophoraflavanone G from other similar flavonoids like naringenin, making it a highly effective antibacterial agent.

Conditions

Sophora exigua demonstrates significant antimicrobial properties, specifically showing high activity against Candida albicans. The plant produces flavanones that completely inhibit the growth of various oral bacteria, including actinomycetes and lactobacilli. These phytochemicals, such as sophoraflavanone G, are recognized for their intensive antibacterial activity. The underlying mechanism involves the reduction of membrane fluidity within the outer and inner layers of cellular membranes. Consequently, the plant exerts its antibacterial effect by altering the structural integrity of these lipid layers.

Preparations

Sophora exigua is prepared as extracts to facilitate the study of its antimicrobial properties. Specifically, the plant is processed to create an ethanolic extract for research purposes. This ethanolic extract of Sophora exigua demonstrated the highest activities against Candida albicans among the tested ingredients. The preparation of these extracts allows for the identification of potent compounds like exiguaflavanone D. Ultimately, the use of Sophora exigua as an ethanolic extract supports its potential role in traditional remedies for treating skin infections.

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