Coleus amboinicus
Coleus amboinicus · Accepted scientific name
Scientific literature: Very Sparse (23 studies) · ★☆☆☆☆
Coleus amboinicus is a versatile plant known for its diverse therapeutic potential, including antimicrobial, antioxidant, anticancer, and antiaging activities. Rich in bioactive compounds such as carvacrol, thymol, chlorogenic acid, and carotenoids, it serves as a potent source of medicinal chemistry. Various parts of the plant, including the leaves, roots, and stems, can be utilized to combat oxidative stress and pathogens like Staphylococcus aureus. Researchers derive these benefits through different preparations, such as essential oils, leaf extracts, ethanolic extracts, and fresh leaf juice. Consequently, this species remains a significant subject of study for its ability to address complex conditions like cancer and bacterial infections.
- Synonyms
- Plectranthus Amboinicus · Majana Amboinica · 11 more
- Common names
- Not available
- Family
- Lamiaceae
- Distribution
- Not available
- Plant Parts
- Leaf · Root
Classification
Common Names
Coleus amboinicus is a versatile plant recognized by a wide variety of regional names across different cultures. It is frequently referred to as Cuban oregano or Cuban-oregano, names that highlight its culinary presence in various tropical regions. In other parts of the world, it is known by the common name Country Borage. Depending on the local language and tradition, you may also hear it called Boldo-de-tempero or Daun jinten. These diverse monikers reflect the global reach and widespread utility of this aromatic species.
Sources: Catalogue of Life (COL)
Synonyms
Coleus amboinicus is a botanical subject that is frequently identified by a variety of different scientific names. Within taxonomic literature, this plant is recognized by several synonyms, including the designation Coleus amboinicus var. violaceus. It has also been referred to as Coleus aromaticus and Coleus carnosus in various historical or regional contexts. Furthermore, researchers may encounter it under the names Coleus crassifolius or Coleus subfrutectosus. Understanding these multiple identities is essential for anyone studying the complex nomenclature of this species.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Coleus amboinicus belongs to the vast kingdom Plantae, representing the diverse world of living vegetation. Within this kingdom, it is classified under the class Equisetopsida, a group of flowering plants. The species is further organized into the order Lamiales, which helps define its botanical characteristics. It finds its specific placement within the family Lamiaceae, often known for its aromatic qualities. Finally, this plant is a prominent member of the genus Coleus, distinguishing its unique identity among its relatives.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Lamiales |
| Family | Lamiaceae |
| Genus | Coleus |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Coleus amboinicus is a resilient plant with a diverse geographic presence across the African continent. Its natural distribution stretches through East Tropical Africa, where it can be found in both Kenya and Tanzania. Moving toward the southern regions, the species is also established within South Tropical Africa, specifically in Angola and Mozambique. Additionally, its reach extends into Southern Africa, including the nation of Eswatini. This widespread presence highlights the plant's ability to adapt to various regional environments throughout the continent.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Coleus amboinicus is a distinctive herb characterized by its sturdy, self-supporting growth form. This plant typically reaches a modest height, often staying within a range of 1 meter. However, under optimal conditions, it can reach a maximum height of approximately 1.5 meters. Such versatile dimensions make it a flexible addition to many diverse garden landscapes.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Coleus amboinicus, also known as Plectranthus amboinicus, is a versatile medicinal herb that demonstrates a wide array of significant biological activities. Research highlights its potent antimicrobial and antibacterial properties, showing effectiveness against various skin pathogens and bacteria such as Staphylococcus aureus. Furthermore, the plant exhibits strong antioxidant capabilities, making it a valuable candidate for skincare formulations designed to combat oxidative stress. Its anticancer potential is also well-documented, with studies showing high cytotoxicity against lung cancer and oral cancer cell lines. Finally, the extract's ability to inhibit enzymes involved in skin aging underscores its promising role in developing effective antiaging cosmeceutical products.
Compounds
Coleus amboinicus, also known as Indian borage or Coleus aromaticus, is a versatile medicinal herb rich in a diverse array of bioactive phytochemicals. Extensive research indicates that the plant contains significant amounts of carvacrol, which serves as a primary volatile organic compound and major constituent of its essential oil. The plant's complex chemical profile also includes important phenolic components such as chlorogenic acid and various flavonoids that contribute to its antioxidant and therapeutic properties. Furthermore, the biosynthesis of monoterpene compounds is a key feature of its aromatic nature, supported by specific terpene synthase genes. Finally, molecular studies have identified rutin as one of the plant's highly effective bioactive compounds, showing strong potential for medicinal applications such as anti-diabetic treatments.
Conditions
Coleus amboinicus (also known as Plectranthus amboinicus) demonstrates significant medicinal efficacy by treating Staphylococcus aureus through its potent antimicrobial properties. The plant also functions as an effective agent to treat antioxidant imbalances and combat oxidative stress. Research specifically highlights its ability to treat 1,1-diphenyl-2-picrylhydrazyl (DPPH) through high radical scavenging activity. Furthermore, the extract shows significant potential to treat cancer, exhibiting high cytotoxicity against lung cancer cells and antineoplastic effects in carcinoma models.
Preparations
Coleus amboinicus is prepared as essential oils to investigate its bioactive properties, including significant anticancer, antioxidant, and antidiabetic activities. The plant is also prepared as leaf extract to provide protective effects against naphthalene-induced hepatotoxicity in animal models. Researchers have utilized ethanolic extracts of leaves to assess the plant's efficacy in reducing oral cancer cell viability and providing nephroprotective benefits. Furthermore, juice from its leaves is traditionally used to treat various liver and renal conditions. Finally, the species is prepared as P. amboinicus-coated ZnO nanoparticles through a green synthesis approach to address antimicrobial resistance and oxidative stress.
Parts used
Coleus amboinicus, also known as Plectranthus amboinicus, is a versatile aromatic herb utilized extensively for its medicinal and ecological properties. Research highlights the significant therapeutic potential of its leaves, which contain bioactive compounds capable of providing anticancer, antioxidant, and anti-inflammatory benefits. Beyond its medicinal uses, the plant's root system plays a critical role in environmental remediation through the process of rhizofiltration. During this process, the roots effectively accumulate heavy metals like lead from contaminated water, while showing limited translocation to the stem and leaf. This unique ability to manage pollutants ensures that the plant's other parts remain safe for various culinary and cosmeceutical applications.