Solanum nigrum

Solanum nigrum · Accepted scientific name

Scientific literature: Very Sparse (28 studies) · ★☆☆☆☆

Solanum nigrum is a versatile plant species containing various parts such as the leaf, fruit, root, and seed. Through the use of methanolic, aqueous, or whole plant extracts, researchers have identified potent bioactive compounds including (+)-medioresinol, (+)-pinoresinol, (+)-syringaresinol, and anthocyanin. These chemical constituents grant the plant significant biological activities, most notably antioxidant, antibacterial, antimicrobial, and hepatoprotective properties. Due to these characteristics, the plant shows promise in addressing diverse health conditions ranging from acne and Streptococcus mutans infections to cancer. Consequently, Solanum nigrum remains a subject of intense study for its potential therapeutic applications in modern medicine.

Quick facts
Synonyms
Solanum Nigrum Var. Schultesii · Solanum Nigrum F. Pallidum · 59 more
Common names
Not available
Family
Solanaceae
Distribution
Not available
Plant Parts
Leaf · Fruit

Classification

Common Names

Solanum nigrum is a plant recognized by a diverse array of regional and linguistic identifiers across the globe. In certain Arabic-speaking areas, it is affectionately known by the common name enab el-deeb. Moving toward European influences, the species is referred to as svartsøtvier in specific contexts. The plant also carries unique designations such as Codwarth Caled and Codwarth Du. Finally, it is identified by the name Cysgadur, showcasing the rich variety of its cultural nomenclature.

Sources: Catalogue of Life (COL)

Synonyms

Solanum nigrum is a botanical species characterized by a complex history of taxonomic nomenclature. Throughout various scientific studies, the plant has been identified under several different names, including the synonym Solanum astroites. Researchers have also frequently referred to the specimen as Solanum bidentatum or Solanum cechicum in older literature. Additionally, the species is linked to the names Solanum cestrifolium and Solanum cestrophyllum within certain botanical databases. Understanding these various synonyms is essential for maintaining clarity when documenting the plant's diverse evolutionary lineage.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Solanum nigrum is a remarkable member of the kingdom Plantae that showcases the complex diversity of the natural world. Within this vast kingdom, the plant is classified under the class Equisetopsida, marking its place among the flowering plants. It belongs to the order Solanales, a group that connects it to many other significant botanical species. Further narrowing its identity, it falls under the genus Solanum, which defines its specific evolutionary lineage. Finally, its placement in the family Solanaceae highlights its close relationship to other well-known members of the nightshade family.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Solanales
Family Solanaceae
Genus Solanum

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Solanum nigrum displays a widespread distribution across the African continent and the various archipelagos of Macaronesia. This resilient plant can be found throughout the Azores and the Canary Islands, demonstrating its ability to thrive in diverse island environments. Its presence extends to the Cape Verde islands, further establishing its foothold in the Atlantic region. Additionally, the species is documented in Madeira and the Selvagens archipelago. These overlapping geographical ranges highlight the significant ecological presence of the species within these specific maritime territories.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Solanum nigrum is a self-supporting herb that displays a versatile range of physical dimensions. Depending on its environment, this plant can grow as small as 0.05 m or reach a minimum height of 0.53125 m. For more established specimens, the growth can extend significantly upward to a maximum height of 1.5 m. This variation in stature highlights the adaptable nature of its herbaceous form. Ultimately, these height parameters define the typical structural presence of the species in the wild.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Solanum nigrum is a versatile medicinal plant that exhibits a wide array of significant biological activities. Research indicates that it possesses potent antioxidant properties, making it a valuable resource for combating oxidative stress. Furthermore, the plant demonstrates strong antimicrobial, antibacterial, and antifungal activities, which are effective against various pathogens and cariogenic organisms. Beyond these defensive capabilities, Solanum nigrum is widely recognized for its hepatoprotective effects, playing a crucial role in treating liver disorders. These diverse therapeutic qualities highlight its immense potential for future drug discovery and natural medicine applications.

Compounds

Solanum nigrum is a chemically diverse medicinal plant that contains a wide array of bioactive compounds. Phytochemical analyses have identified the presence of anthocyanin and various flavonoids within its extracts, which contribute to its potential use in controlling cariogenic bacteria. Furthermore, the plant is a source of chlorogenic acid, a major compound found in its leaf aqueous extracts. Research into its steroidal saponins has also highlighted the presence of degalactotigonin, a known compound with specific cytotoxic properties. Finally, the chemical profile of the species is further enriched by the presence of beta-sitosterol.

Conditions

Solanum nigrum serves as a potent medicinal agent with significant antitumor properties, particularly in treating various forms of cancer. Research demonstrates its effectiveness against the human malignant melanoma cell line A-375, where it induces notable cytotoxicity. The plant also exhibits strong antibacterial activity, specifically in treating the cariogenic bacteria Streptococcus mutans. Furthermore, Solanum nigrum acts as a powerful antioxidant, showing high activity levels in comparative studies. Finally, the plant is identified as a medicinal resource for its potential to treat Alzheimer's disease by modulating critical neuroprotective pathways.

Preparations

Solanum nigrum is prepared as extracts in various studies to evaluate its medicinal and antimicrobial properties. Specifically, it is prepared as methanolic extracts for testing UV protection in textiles and antimalarial activity against malaria parasites. The plant is also prepared as aqueous extracts to study its ability to inhibit angiogenesis in chick embryos and to improve fabric UPF ratings. Research has further shown that Solanum nigrum is prepared as a 50% ethanol extract to examine its cytoprotective effects against kidney cell damage. Additionally, the plant is prepared as a whole plant for the isolation of steroidal saponins and for testing specific ethanol-based extracts.

Parts used

Solanum nigrum is a versatile medicinal plant that contains various bioactive components across its different structures. Research highlights the significant antimicrobial and antifungal potential of its leaves, which can even be used for the green synthesis of silver nanoparticles. The fruit of the plant is particularly noteworthy for its high concentration of antioxidant and anticancer compounds, including novel phenolic substances. Additionally, the seeds have demonstrated promising antiviral activity against the Hepatitis C virus in laboratory settings. Beyond these specialized uses, the roots of the species have also been identified as effective agents in controlling certain snail populations.