Nigella damascena
Nigella damascena · Accepted scientific name
Scientific literature: Very Sparse (2 studies) · ★☆☆☆☆
Nigella damascena is a versatile botanical species known for its significant biological potential in various scientific applications. Research indicates that extracts from the plant's seeds and roots possess notable antioxidant and antimutagenic activities. These therapeutic properties are largely attributed to key chemical constituents such as Thymoquinone and 2,4-Dihydroxyphenylacetic acid. Specifically, the essential oil derived from the plant has shown effectiveness in addressing conditions related to fungi. Consequently, this plant serves as a rich source of bioactive compounds for medicinal and pharmacological development.
- Synonyms
- Erobathos Coarctatum · Melanthium Damascenum · 15 more
- Common names
- Not available
- Family
- Ranunculaceae
- Distribution
- Not available
- Plant Parts
- Seed · Root
Classification
Common Names
Nigella damascena is a versatile plant known by a diverse array of charming regional names. In many English-speaking circles, it is simply referred to by its common name, Nigella. However, it carries more poetic titles across the globe, such as the delicate Cabelos-de-Vénus or the evocative Damascus hellebore. In different languages, you might encounter it as Czarnuszka damasceńska or the whimsical Braut in Haaren. These various monikers highlight the widespread beauty and cultural presence of this unique species.
Sources: Catalogue of Life (COL)
Synonyms
Nigella damascena is a botanical subject characterized by a complex history of taxonomic classification. Throughout various scientific studies, this species has been identified by several different names, including the synonyms Erobathos coarctatum and Erobathos damascenum. Researchers have also historically referred to the plant as Melanthium damascenum in older botanical texts. Furthermore, the names Nigella bithynica and Nigella bourgaei are recognized as additional synonymous designations for this specific plant. Understanding these diverse nomenclatures is essential for anyone studying the evolving lineage of this charming species.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Nigella damascena belongs to the vast kingdom Plantae, representing the diverse world of flowering plants. Within this kingdom, the species is classified under the class Equisetopsida. It further falls into the order Ranunculales, which helps define its evolutionary lineage. The plant is a distinguished member of the genus Nigella, known for its unique and delicate features. Finally, it is rooted in the Ranunculaceae family, connecting it to a wide array of related botanical relatives.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Ranunculales |
| Family | Ranunculaceae |
| Genus | Nigella |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Nigella damascena exhibits a broad and diverse geographical distribution that spans several key regions. This species is widely found across Africa, including significant populations within Northeast Tropical Africa and Ethiopia. Its presence extends into the Macaronesia region, where it thrives in the Azores, the Canary Islands, and Madeira. Additionally, the plant can be located within the Selvagens archipelago, highlighting its adaptability to island environments. Collectively, these varied habitats underscore the resilient nature of this remarkable plant.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Nigella damascena is a charming herb that grows as a self-supporting plant in various garden settings. This species exhibits a flexible growth habit, typically reaching a maximum height of 0.75 m. Depending on its specific environment, the plant's stature can fluctuate significantly. While some specimens may stand as short as 0.15 m, others maintain a more substantial presence. In many typical conditions, it often settles at a height of approximately 0.369 m.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Nigella damascena fixed oils have demonstrated significant biological potential through their specialized chemical properties. Research indicates that this plant possesses notable antioxidant activity, even showing superiority when compared to Nigella sativa in certain tests. Furthermore, the oils exhibit strong antimutagenic effects, particularly in defending against the mutagenicity induced by aflatoxin B1. This protective mechanism may be linked to the degradation of toxic epoxides, suggesting a complex way the plant interacts with harmful substances. Ultimately, these findings highlight the medicinal value of Nigella damascena in combating oxidative stress and genetic damage.
Compounds
Nigella damascena is a plant species recognized for its rich phytochemical profile and diverse medicinal properties. Research indicates that its seeds, roots, and aerial parts contain a variety of specialized metabolites, including essential flavonoids and triterpenes. Among the specific isolated compounds, the alkaloid damascenin has demonstrated significant pharmacological potential in various studies. Furthermore, the presence of thymoquinone within the plant's fixed oils contributes to its notable antioxidant and antimutagenic activities. These complex chemical relationships underscore the therapeutic value and scientific importance of this versatile species.
Conditions
Nigella damascena exhibits significant biological versatility, such as providing a protective effect against aflatoxin-induced mutagenicity. The plant's essential oil and isolated β-elemene demonstrate potent antimicrobial properties against both Gram-positive and Gram-negative bacteria, as well as various fungi. Research further confirms its efficacy in treating the Mycobacterium tuberculosis strain H37Ra. Additionally, studies have identified specific polar components within the seeds that contribute to estrogenic activity. These diverse interactions highlight the plant's complex chemical profile and its potential medicinal applications.
Preparations
Nigella damascena is prepared as an essential oil that serves as a rich source of the compound β-elemene. This specific oil contains a significant concentration of β-elemene, accounting for 47% of its composition. Researchers have developed an effective protocol using high performance counter-current chromatography to isolate this compound from the Nigella damascena essential oil. The resulting essential oil and the isolated β-elemene have been tested for their potent antimicrobial properties. Specifically, these extracts demonstrate clear activity against the Mycobacterium tuberculosis strain H37Ra.
Parts used
Nigella damascena is a versatile plant species that offers significant medicinal and culinary potential through its various components. Scientific research has focused extensively on the seeds, which contain phenolic compounds that exhibit specific estrogenic activities. Beyond the seeds, the roots of the plant serve as another vital source for isolating unique natural metabolites. In total, fifty-seven different compounds have been characterized from the seeds, roots, and aerial parts of this species. These diverse constituents contribute to a wide spectrum of biological activities, including antibacterial, antioxidant, and anti-inflammatory effects.