Melia azedarach
Melia azedarach · Accepted scientific name
Scientific literature: Very Sparse (25 studies) · ★☆☆☆☆
Melia azedarach is a versatile botanical species known for its diverse therapeutic potential across various plant parts, including the leaf, fruit, root, and stem. Rich in bioactive compounds such as flavonoids, stigmasterol, terpenoids, and 1-cinnamoyltrichilinin, the plant serves as a potent source of medicinal agents. Scientific studies have highlighted its significant antioxidant, antibacterial, antimicrobial, and anticancer activities. Various preparations, ranging from aqueous leaf extracts to 80% methanol extracts and bark treatments, are utilized to address complex conditions like malaria, skin diseases, and diabetes. Consequently, this plant holds immense promise in the pharmacological management of cancer and other chronic ailments.
- Synonyms
- Azedarach Sempervirens Var. Australasica · Melia Azedarach F. Albiflora · 54 more
- Common names
- Not available
- Family
- Meliaceae
- Distribution
- Not available
- Plant Parts
- Leaf · Fruit
Classification
Common Names
Melia azedarach is a fascinating tree known by several distinct regional names. In many Italian-speaking areas, it is affectionately referred to as Albero da rosari or Albero dei rosari. It also carries the traditional titles of Albero dei Paternostri and Albero dei paternosti, highlighting its historical cultural connections. Furthermore, some local populations simply call the species Aleli. These various common names reflect the diverse linguistic heritage associated with this unique plant.
Sources: Catalogue of Life (COL)
Synonyms
Melia azedarach is a botanical species that is frequently identified through several different taxonomic synonyms. Scientific literature often refers to this plant as Azedarach commelinii or Azedarach deleteria depending on the classification system used. It is also recognized under the name Azedarach fraxinifolia in various botanical contexts. Furthermore, the species is linked to the synonym Azedarach sempervirens. This classification extends even to specific variations, such as the form known as Azedarach sempervirens f. incisodentata.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Melia azedarach is a distinguished member of the kingdom Plantae. Within this vast biological group, the species belongs to the class Equisetopsida. It is further classified under the order Sapindales, which connects it to various other flowering plants. This specimen specifically falls under the family Meliaceae, a group known for its unique botanical characteristics. Ultimately, its taxonomic journey concludes within the specialized genus Melia.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Sapindales |
| Family | Meliaceae |
| Genus | Melia |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Melia azedarach exhibits a widespread distribution across various regions of the African continent. In East Tropical Africa, the species is firmly established within the landscapes of Kenya, Tanzania, and Uganda. Its reach extends beyond the mainland to include the unique environments of Macaronesia. Specifically, the plant can be found thriving among the Canary Islands and throughout Cape Verde. This broad geographic range highlights the plant's ability to adapt to diverse African ecosystems.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Melia azedarach is a self-supporting species characterized by its distinct tree growth form. This plant exhibits remarkable versatility in its stature, with heights ranging from a minimum of 1 meter to a maximum of 40 meters. While smaller specimens may reach only 1 meter, many established trees typically maintain a minimum height of 12 meters. This wide developmental range allows the species to adapt to various environmental conditions. Ultimately, its robust structure ensures it remains a prominent feature in its native landscape.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Melia azedarach is a widely distributed medicinal tree recognized for its diverse array of biological activities. Research has confirmed that various extracts of the plant possess potent antioxidant and antimicrobial properties, making it a valuable resource in traditional medicine. Specifically, studies have demonstrated its significant antibacterial effectiveness against multiple pathogenic strains, including both Gram-positive and Gram-negative bacteria. Furthermore, the plant exhibits promising anticancer potential, with certain compounds inducing apoptosis in human leukemia cells. The medicinal profile of Melia azedarach is further enhanced by its documented antiviral activity, particularly in inhibiting the replication of herpes simplex virus-1.
Compounds
Melia azedarach is a medicinal plant recognized for its diverse array of bioactive phytoconstituents. Research indicates that the plant contains essential compounds such as flavonoids and terpenoids, which contribute to its significant antioxidant and antibacterial properties. Furthermore, the presence of stigmasterol within its tissues highlights its potential for various therapeutic applications. Specific secondary metabolites like 1-cinnamoyltrichilinin have even demonstrated anticancer effects by inducing apoptosis in leukemia cells. Additionally, the plant produces 28-deacetylsendanin, a compound found to exert notable antiviral activity against herpes simplex virus-1.
Conditions
Melia azedarach is recognized for its potent anticancer activity, with studies showing its extracts can target specific cancer cell lines. This medicinal plant is also utilized in the management of diabetes, serving as a significant species for antidiabetic research. Furthermore, Melia azedarach is used to treat malaria, demonstrating antimalarial properties in traditional medicinal practices. The plant also provides therapeutic relief for various skin diseases through its diverse biological activities. These multifaceted relationships highlight the extensive pharmacological potential of the species across multiple health conditions.
Preparations
Melia azedarach is prepared as bark to isolate various limonoids and chemical constituents. The plant is also prepared as extracts for testing against malaria parasites and for use as potential anti-pigmenting agents. Specific formulations include 80% methanol extracts, which are evaluated for their safety levels and antiplasmodial activity. Additionally, Melia azedarach is prepared as an aqueous leaf extract to facilitate the green biosynthesis of silver nanoparticles. Finally, the plant is prepared as an EtOAc extract to aid in the isolation and purification of specific limonoids from its fruit.
Parts used
Melia azedarach is a versatile medicinal plant that contains a diverse array of bioactive compounds distributed throughout its various anatomical parts. Researchers have utilized aqueous leaf extracts to synthesize silver nanoparticles with significant antibacterial and antioxidant properties. The fruits of the plant are a rich source of limonoids, including compounds that demonstrate potential in treating leukemia. Furthermore, the roots and stem barks contain unique azadirachtin-type limonoids and triterpenoids that exhibit cytotoxic and anti-inflammatory activities. Finally, the seeds of the species have been found to harbor specific limonoid glycosides capable of fighting various bacterial organisms.