Sophora flavescens

Sophora flavescens · Accepted scientific name

Scientific literature: Very Sparse (35 studies) · ★☆☆☆☆

Sophora flavescens is a significant medicinal plant widely utilized in traditional Chinese medicine, primarily through the use of its roots and seeds. This species is rich in bioactive chemical compounds, including flavonoids, matrine, kurarinone, and sophoraflavanone G. Research indicates that its aqueous extracts possess potent antioxidant, antitumor, antibacterial, and antimicrobial activities. Consequently, it is frequently employed to treat various medical conditions such as dysentery, eczema, and jaundice. Modern scientific advancements have further expanded its utility through the development of specialized preparations like cell suspension cultures.

Quick facts
Synonyms
Radiusia Flavescens
Common names
Not available
Family
Fabaceae
Distribution
Northern America
Plant Parts
Root · Seed

Classification

Common Names

Sophora flavescens is a versatile botanical species known by many diverse regional names. In various contexts, it is referred to as shrubby sophora or simply ku shen. Depending on the linguistic landscape, you may also encounter it called jerlín žlutavý or sofora žltkastá. Additionally, it is sometimes identified by the name kainohelmipalko. These various monikers reflect the plant's widespread presence across different cultures and scientific discussions.

Sources: Catalogue of Life (COL)

Synonyms

Sophora flavescens is a significant medicinal plant often discussed in botanical literature. It is important to note that this species is also known by its synonym, Radiusia flavescens. Recognizing these different names is essential for researchers to ensure consistency across various scientific databases. Understanding these taxonomic relationships helps clarify the plant's identity during botanical studies. Such nomenclatural accuracy is vital for anyone documenting the diverse world of herbal flora.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Sophora flavescens belongs to the diverse kingdom Plantae. Within this vast group, it is specifically classified under the class Equisetopsida. The plant falls under the order Fabales, showcasing its unique evolutionary lineage. It is further categorized into the family Fabaceae, which links it to a wide array of legumes. Finally, it is identified by its distinct genus, Sophora.

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 flavescens is a resilient plant species with a widespread distribution across the Asia-Temperate region. Its presence is particularly notable throughout various parts of China, ranging from the northern reaches of Inner Mongolia to the tropical landscapes of Hainan. The species thrives in diverse climates, spanning the North-Central, South-Central, and Southeast territories of the country. This broad geographic footprint demonstrates the plant's ability to adapt to a variety of environmental conditions. Ultimately, these varied locations highlight the significant ecological reach of Sophora flavescens within its native habitat.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Sophora flavescens is a self-supporting herb characterized by its distinct growth form. This plant typically maintains a relatively compact stature in its natural environment. Its height generally ranges from a minimum of 0.5 m to a maximum of 0.7 m. These consistent dimensions help define its physical presence within its ecological niche.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Sophora flavescens is a perennial herb widely recognized for its diverse pharmacological profile and traditional medicinal uses. Scientific studies have demonstrated that this plant possesses significant antioxidant and antitumor activities, often through the action of bioactive compounds like matrine and formononetin. It also exhibits robust antibacterial and antimicrobial properties, proving effective against various pathogens, including multidrug-resistant bacteria and dental caries-related streptococci. Additionally, certain extracts and isolated flavonoids from the plant have been identified as having estrogenic activity. These combined biological characteristics highlight the potential of Sophora flavescens as a valuable resource for modern drug development and therapeutic intervention.

Compounds

Sophora flavescens is a medicinal plant renowned for its diverse array of bioactive secondary metabolites, including various flavonoids. Among these chemical constituents, the lavandulylated flavonoid sophoraflavanone G has demonstrated significant antimicrobial activity against multidrug-resistant bacteria. The plant also contains the important alkaloid kurarinone, which exhibits both estrogenic properties and potent cytotoxic effects against certain cancer cells. Furthermore, the species is a rich source of matrine, a quinoline alkaloid widely studied for its significant antitumor mechanisms. Research also highlights the presence of oxymatrine, an essential component whose accumulation in the roots can be influenced by the surrounding rhizosphere microbiota.

Conditions

Sophora flavescens treats dysentery and eczema according to traditional medicinal applications and recent pharmacological studies. The plant's flavonoids and alkaloids are recognized for their significant antioxidant and anti-inflammatory properties. Specifically, research indicates that these bioactive compounds exhibit potent anti-inflammatory activity by inhibiting the production of proinflammatory cytokines like TNF-α. Furthermore, the dried roots of the herb demonstrate documented antioxidant efficacy in various biological assays. These diverse therapeutic relationships highlight the plant's multifaceted role in treating inflammatory and skin-related conditions.

Preparations

Sophora flavescens is prepared as roots to isolate various medicinal compounds like kushenols and prenylated flavanones. It is also prepared as cell suspension cultures to facilitate the study of enzyme functions and the large-scale production of sophoraflavanone G. As a traditional Chinese medicine, the plant is utilized clinically for the treatment of various lung diseases. Furthermore, Sophora flavescens is prepared as an aqueous extract for screening antiviral activities against herpes simplex virus. These diverse preparation methods, including cell suspension cultures, allow researchers to investigate the plant's complex biosynthetic pathways and therapeutic potential.

Parts used

Sophora flavescens is a versatile botanical resource that offers significant medicinal value through various anatomical parts. The root of the plant, often referred to as Sophorae Flavescentis Radix, is a primary component in traditional Chinese medicine formulations used to treat skin inflammation and eczema. Research indicates that key alkaloids like matrine are found within these roots, providing potent therapeutic effects. Beyond the root, the seeds of Sophora flavescens also serve as an important material resource for obtaining high concentrations of alkaloids. By exploring both the root and seed, researchers can promote the comprehensive and sustainable utilization of this plant's non-medicinal and medicinal resources.