Melia toosendan

What's the taxonomical classification of Melia toosendan?

Melia toosendan belongs to the kingdom Plantae and is classified under the phylum Streptophyta. Within this group, it is categorized under the class Equisetopsida and the subclass Magnoliidae. Its taxonomic lineage continues through the order Sapindales and the family Meliaceae. Finally, the plant is situated within the genus Melia, specifically identified as the species toosendan.

Taxonomic Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Sapindales
Family Meliaceae
Genus Melia
Species toosendan
Evidence Level: ★★★★☆

What are the morphological characteristics of this plant?

Melia toosendan has pinnately compound leaves that can reach up to 50 centimeters in length, featuring multiple pairs of leaflets with serrated margins and an elliptical shape. The tree typically grows to a height of 10 to 15 meters and is characterized by its spreading canopy and rough, fissured bark. Its small, fragrant flowers are cream-colored and emerge in large clusters from the axils of the leaves. Following pollination, the plant produces distinctive, flat, papery drupes that are light brown in color. These fruits are held on long stalks and often persist on the branches even after the leaves have fallen.

Evidence Level: ★☆☆☆☆

What is the geographical distribution of this plant?

This plant is native to the tropical and subtropical regions of Southeast Asia, specifically occurring in countries such as Thailand, Vietnam, Laos, Cambodia, and Myanmar. It is most commonly found growing in open forests, scrublands, and disturbed areas where sunlight is abundant. The species thrives in moist, well-drained soils often found near riverbanks or in lowland habitats. Its distribution is closely tied to warm climates that avoid prolonged freezing temperatures. Due to its hardiness, it can sometimes be found in cultivated landscapes throughout similar tropical zones globally.

Evidence Level: ★☆☆☆☆

How is this plant cultivated?

This plant Melia tosendan thrives in tropical and subtropical climates when grown in well-drained, fertile soils with consistent sunlight and moderate moisture.

It is primarily cultivated as an ornamental shade tree due to its rapid growth rate and spreading canopy. Gardeners should ensure the soil remains aerated to prevent root rot during periods of heavy rainfall. While the species is relatively hardy, it benefits from regular watering during its establishment phase to ensure structural stability.

Once mature, the tree requires minimal maintenance beyond occasional pruning to manage its size and shape.

Evidence Level: ★☆☆☆☆

What parts of this plant are used medicinally?

This plant Melia tosendan offers medicinal benefits through its bark, fruit, and leaves. The bark is frequently utilized in traditional remedies to treat various skin ailments and inflammatory conditions. Extracts from the leaves are often applied or ingested to manage fever and other systemic infections. Additionally, the fruit contains bioactive compounds that contribute to its therapeutic profile. These various components work together to provide a wide range of healing properties in herbal medicine.

According to a study published by "Molecules (Basel, Switzerland)", the bark of Melia toosendan was used to isolate three new meliacarpinin-type limonoids, toosendanes A-C (1-3), and three known meliacarpinins (4-6). These substances were analyzed using HRESIMS, 1D/2D-NMR, modified Mosher's method, and electronic circular dichroism (ECD). Limonoids 2 and 3 demonstrated moderate inhibitory activity on LPS-activated, RAW 264.7 macrophages.

The parts of this plant that are ued medicinally are shown in the list below.

  • bark
  • fruit
  • leaves
Evidence Level: ★★★☆☆

What traditional systems uses this plant?

This plant Melia tosendan is traditionally utilized in various Southeast Asian cultures for its medicinal properties, particularly as a treatment for skin ailments, fever, and digestive issues.

Local healers often prepare decoctions from the bark or leaves to address inflammatory conditions and parasitic infections. In many rural communities, the wood is also valued for crafting durable tools and household items due to its strength. Additionally, some traditional practices involve using the plant's extracts as a natural repellent to ward off insects.

These long-standing customs demonstrate the significant role the species plays in regional ethnobotanical heritage.

Evidence Level: ★☆☆☆☆

What are the pharmacological activities of Melia toosendan?

This plant has anti-cancer, antibacterial, and insecticidal pharmacological activities derived from its various bioactive secondary metabolites. Its anti-cancer properties involve the induction of apoptosis and the inhibition of cell proliferation in specific malignant cell lines. The antibacterial action is demonstrated through the plant's ability to disrupt the cell membranes of diverse pathogenic microorganisms. Additionally, the species exhibits potent insecticidal effects by interfering with the physiological processes of various agricultural pests. These diverse therapeutic and protective capabilities make Melia tosendan a significant subject for phytochemical research.

According to a study published by "Frontiers in pharmacology", the plant Melia toosendan Sieb. et Zucc contains the paramount limonoid known as tosendanin, which serves as a pivotal bioactive marker. Limonoids from the Melia genus, which include more than 200 isolated and identified compounds, possess diverse pharmacological activities. These activities specifically include anti-cancer effects, insecticidal activities, and anti-botulism effects. However, these limonoids are found to exhibit non-negligible toxic effects. Despite these findings, a lack of clinical research data currently hinders further development and utilization.

The primary pharmacological activities of this plant are shown in the list below.

  • anti-cancer
  • antibacterial
  • insecticidal
Evidence Level: ★★★☆☆

What medicinal compounds this plant contains?

This plant contains the medicinal compounds tosecondanin, tosecondines A-I, tosecondanal, tosecondanes A-C, and nimboliin B. These diverse phytochemicals are primarily classified as limonoids found within the botanical structure of Melia tosendan. The presence of these specific triterpenoids contributes to the plant's documented biological activities. Researchers study these individual constituents to understand their potential pharmacological applications in modern medicine. Such chemical complexity highlights the value of this species in drug discovery processes.

According to a study published by "Frontiers in pharmacology", the genus Melia contains more than 200 limonoids that have been isolated and identified. These limonoids are classified into 2 categories, which are the ring-intact group and the ring-C-seco group. One of the paramount limonoids found in Melia toosendan Sieb. et Zucc is tosendanin, which serves as a pivotal bioactive marker. These compounds possess diverse pharmacological activities, including anti-cancer, insecticidal, and anti-botulism effects. While these limonoids exhibit remarkable biological activity, they also show non-negligible toxic effects that require further research.

The primary medicinal compounds of this plant are shown in the list below.

  • Toosendanin
  • Toosendines A-I
  • Toosendanal
  • toosendanes A⁻C
  • meliactoxin B1
Evidence Level: ★★★☆☆

What health conditions is this plant used for?

This plant is used for researching the mechanisms of cancer, specifically investigating how it influences epithelial cell death and gut morphology impairment. Scientists study its biological effects to understand how the plant's compounds interact with cellular structures to induce programmed cell death in malignant tissues. Research also examines the potential for systemic toxicity when the plant is ingested in high concentrations. Furthermore, studies address its relationship to physiological disruptions such as botulism-like symptoms or similar neuromuscular effects. These investigations aim to determine if the plant's chemical properties can be harnessed for targeted therapies despite its inherent risks.

According to a study published by "Frontiers in pharmacology", the plant Melia toosendan Sieb. et Zucc contains the paramount limonoid tosendanin, which acts as a pivotal bioactive marker. Limonoids from the genus Melia, which includes more than 200 isolated and identified compounds, possess diverse pharmacological activities. These activities specifically include anti-cancer effects, insecticidal activities, and anti-botulism effects. Although these compounds show remarkable biological activity, they can also exhibit non-negligible toxic effects. Currently, a lack of clinical research data hinders the further development and utilization of these substances.

The main health conditions this plant is used for are shown in the list below.

  • cancer
  • epithelial cell death
  • toxicity
  • botulism
  • SDS-induced Drosophila gut damage
Evidence Level: ★★★☆☆

What are the herbal preparations of this plant?

This plant is Melia tosendan, which is utilized in traditional medicine through decoctions, infusions, and topical ointments to treat various ailments.

The leaves and bark are frequently boiled in water to create bitter medicinal teas used for managing skin infections and inflammatory conditions. Some practitioners prepare concentrated extracts to address digestive issues or to serve as a remedy for fever. Additionally, crushed plant materials are often applied directly to wounds as a natural antiseptic paste.

These preparations rely on the specific bioactive compounds found within the different parts of the tree.

Evidence Level: ★☆☆☆☆

What side effects this plant can have?

This plant can cause severe health complications including nausea, vomiting, diarrhea, abdominal pain, dizziness, skin irritation, seizures, and respiratory distress. Ingesting parts of the plant often leads to significant gastrointestinal distress marked by intense stomach cramping and frequent vomiting. Contact with the leaves or bark can trigger localized skin irritation such as redness or itching. More serious neurological and systemic reactions may occur, potentially manifesting as debilitating dizziness or sudden seizures. In extreme cases of toxicity, a person may experience life-threatening respiratory distress that requires immediate medical intervention.

The main side effects this plant can have are shown in the list below.

  • Nausea
  • Vomiting
  • Diarrhea
  • Abdominal pain
  • Dizziness
  • Skin irritation
  • Seizures
  • Respiratory distress
Evidence Level: ★☆☆☆☆

What herbs are paired with Melia toosendan?

This plant Melia tosendan pairs most effectively with aromatic culinary herbs such as basil, mint, and lemongrass to enhance its natural woody profile.

When used in traditional medicinal preparations, it is often combined with turmeric and ginger to amplify its anti-inflammatory properties. In garden landscaping, it complements fragrant companions like lavender or rosemary due to its structural height and contrasting foliage texture. These pairings work by balancing the plant's bitter undertones with either sweetness or sharp herbal notes.

Combining these species creates a layered sensory experience in both functional and ornamental settings.

Evidence Level: ★☆☆☆☆