Styphnolobium japonicum

Styphnolobium japonicum · Accepted scientific name

Scientific literature: Very Sparse (18 studies) · ★☆☆☆☆

Styphnolobium japonicum is a versatile plant known for containing potent bioactive compounds such as sophoricoside, genistin, rutin, and 3'-methoxydaidzein. Derived from various parts including the flowers, fruits, leaves, and seeds, its medicinal components are often prepared as herbal preparations like Flos Sophorae Immaturus. These extracts demonstrate significant biological activities, ranging from antioxidant and antibacterial properties to antiviral and antitumor effects. Research suggests these chemicals can be particularly effective in addressing complex conditions such as cancer, hypertension, and alkaline imbalances. Consequently, this species serves as a vital resource in exploring natural therapeutic interventions for diverse health challenges.

Quick facts
Synonyms
Styphnolobium Japonicum Var. Pubescens · Sophora Japonica F. Pendula · 26 more
Common names
Not available
Family
Fabaceae
Distribution
Asia-Temperate
Plant Parts
Flower · Fruit

Classification

Common Names

Styphnolobium japonicum is a versatile tree known by a wide variety of regional and descriptive names. In English-speaking circles, it is most frequently recognized as the elegant Chinese scholar tree. Its cultural and linguistic reach extends into French, where it is affectionately called the Arbre aux pagodes. Spanish and Portuguese speakers often refer to it as Acacia del Japón or Acácia-do-japão, respectively. Regardless of the name used, this distinctive species remains a celebrated specimen in landscapes worldwide.

Sources: Catalogue of Life (COL)

Synonyms

Styphnolobium japonicum is a botanical species that has been identified by several different scientific names throughout history. It is frequently associated with the synonym Anagyris chinensis in various taxonomic records. Researchers may also encounter it listed under the name Ormosia esquirolii depending on the specific classification system used. Furthermore, the plant is linked to the synonyms Pongamia chinensis and Radiusia chinensis in academic literature. Finally, it has been categorized as Sophora angustifoliola, reflecting the complex evolution of its botanical identity.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Styphnolobium japonicum is a remarkable botanical specimen belonging to the kingdom Plantae. Within this vast biological realm, it is classified under the class Equisetopsida. The plant is further organized into the order Fabales, showcasing its specific evolutionary lineage. It falls under the distinguished genus Styphnolobium, which defines its unique structural characteristics. Ultimately, its botanical identity is completed by its membership in the Fabaceae family.

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

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Styphnolobium japonicum exhibits a wide geographical presence across the African continent. Its distribution spans from the northern reaches in Egypt to the tropical landscapes of Kenya and East Tropical Africa. The species also thrives within the diverse environments of South Tropical Africa, specifically in Zimbabwe. Further south, it can be found throughout the Free State and the Cape Provinces. This broad range highlights the plant's ability to adapt to various African climates and regions.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Styphnolobium japonicum is a self-supporting plant that takes the form of a tree. It typically achieves a significant stature, reaching a maximum height of 20 meters. Even at its smaller stages, the species maintains a substantial presence with a minimum height of 10 meters. This consistent growth pattern makes it a prominent feature in its natural environment.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Styphnolobium japonicum, also known as Sophora japonica, is a medicinal plant recognized for its diverse and potent therapeutic properties. Research indicates that the plant exhibits significant antioxidant activity, which is largely attributed to its high content of phenolics and flavonoids. Furthermore, its biological profile includes strong antibacterial and antiviral effects, making it a valuable resource in traditional medicine. The plant also demonstrates important antitumor and anticancer activities, offering potential benefits in the management of various diseases. These multifaceted pharmacological capabilities highlight the importance of further studying its active constituents for modern drug development.

Compounds

Styphnolobium japonicum is a medicinal and food plant characterized by a rich profile of bioactive compounds. The plant contains various flavonoids, which serve as its primary chemical components and play a significant role in its diverse therapeutic effects. Within this group, specific substances such as sophoricoside and genistin have been identified as key active ingredients. Furthermore, the plant's chemical makeup includes rutin and 3'-methoxydaidzein, contributing to its broad pharmacological potential. These diverse metabolites highlight the importance of the species in the development of novel functional foods and health-related applications.

Conditions

Styphnolobium japonicum possesses a diverse range of therapeutic properties, including the ability to treat anti-inflammatory conditions and exert potent antioxidant activities. The plant's bioactive components, such as flavonoids, are also effective in treating cancer and various tumor-related issues. Furthermore, it serves as a medicinal resource for treating diabetes through its hypoglycemic and blood sugar-lowering effects. The plant is also recognized for its ability to treat hypertension and manage cardiovascular-related health concerns. These combined pharmacological profiles highlight the significant medicinal potential of the species in addressing multiple systemic diseases.

Preparations

Styphnolobium japonicum is prepared as flower buds, which serve as a significant medicinal and food plant source for various bioactive metabolites. These flower buds are specifically utilized to produce Flos Sophorae Immaturus, a product whose yield and quality can be optimized through precise fertilizer applications. Furthermore, the plant is used in the development of nanoemulsions, where ultrasound-assisted extraction enhances the stability and antioxidant activity of its components. In the context of herbal products (HPs), Styphnolobium japonicum can act as an adulterant within Ginkgo biloba HPs, necessitating rapid authentication methods to ensure product purity. Consequently, the presence of this species within HPs highlights the importance of distinguishing it from intended ingredients to protect consumer health.

Parts used

Styphnolobium japonicum, also known as Sophora japonica, is a versatile medicinal plant that contains various bioactive components distributed throughout its anatomy. Research indicates that its flowers and flower buds are significant sources of antioxidant compounds like rutin. The plant's fruits are also highly valued, particularly for their ability to provide therapeutically potent isoflavonoids such as sophoricoside. Additionally, the leaves serve as a rich source of isoflavone glycosides and possess direct antifungal properties. Finally, studies on the plant's molecular structure have successfully identified specific lectins located within its seeds.