Tropaeolum majus
What's the taxonomical classification of Tropaeolum majus?
Tropaeolum majus belongs to the kingdom Plantae and is classified under the phylum Streptophyta. Within the class Equisetopsida, it is further categorized into the subclass Magnoliidae. Following its lineage through the order Brassicales, it is placed within the family Tropaeolaceae. Finally, the plant is identified by its specific genus, Tropaeolum, and its unique species designation, majus.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Brassicales |
| Family | Tropaeolaceae |
| Genus | Tropaeolum |
| Species | majus |
What are the morphological characteristics of this plant?
Tropaeoluum majus has long, slender, lanceolate leaves that are arranged alternately along trailing or climbing stems. These leaves often exhibit a characteristic tendency to divide into smaller, deeply lobed segments as the plant matures. The stems are herbaceous and can reach several meters in length, providing a flexible structure for climbing. Large, trumpet-shaped flowers emerge from the leaf axils, displaying vibrant colors like orange, red, or yellow. Each flower features five distinct petals and a prominent nectar spur extending from the base. Small, round seed pods follow the flowering stage, eventually developing into dark, hard seeds.
What is the geographical distribution of this plant?
This plant is native to the tropical and subtropical regions of South America, specifically concentrated within Brazil. It thrives primarily in various ecosystems found across the Brazilian landscape, including forested areas and open shrublands. While its core population remains within this specific South American territory, its precise range is often tied to localized environmental conditions. Detailed mapping of its habitat shows a preference for the warmth and humidity characteristic of these equatorial latitudes. This localized distribution makes it a distinct component of the regional flora.
How is this plant cultivated?
This plant, commonly known as nasturtium, is cultivated by sowing large seeds directly into well-draining, nutrient-poor soil in a sunny location to prevent excessive foliage growth.
It thrives in full sun to partial shade and requires minimal fertilization since rich soil often results in lush leaves but fewer flowers. Regular watering is necessary during dry spells, though the plant is relatively drought-tolerant once established. Gardeners frequently use it as a groundcover or an edible ornamental to attract pollinators like bees and hummingbirds.
Because it grows rapidly, providing ample space or a trellis for climbing varieties is essential for healthy development.
What parts of this plant are used medicinally?
This plant Tropaeolum majus offers medicinal value through its edible and therapeutic flowers, fruits, leaves, roots, and seeds. The vibrant flowers and green leaves are often consumed to provide vitamins and antioxidant properties. Both the fleshy fruits and the pungent seeds contain glucosinolates, which contribute to the plant's antimicrobial and anti-inflammatory effects. Additionally, the roots can be utilized in traditional remedies to address various ailments. These diverse components work together to support overall wellness and immune function.
According to a study published by "Planta medica", Tropaeoluem majuus is a plant with relevance in phytomedicine. The study investigated the phytochemical composition of senescent leaves. These leaves contain phylloxanthobiliins, which display strong anti-oxidative effects in vitro and in cellullo. These compounds also show anti-inflammatory effects through COX-1 and COX-2 enzyme inhibition. Along with isoquercitrin and chlorogenic acid, these components contribute to the efficacy of Tropaeoluem majuus in the treatment of urinary tract infections.
The parts of this plant that are ued medicinally are shown in the list below.
- flower
- fruits
- leaf
- root
- seed
What traditional systems uses this plant?
This plant, known as nasturtium, has been utilized by various indigenous cultures throughout Central and South America for its medicinal, nutritional, and culinary properties.
Native groups historically applied crushed leaves and flowers to treat skin inflammations, wounds, and various topical infections. The seeds and leaves were also consumed as a source of vitamins and to aid in digestive health. In some traditional practices, the plant's spicy, pungent flavor was used to stimulate appetite and act as a natural seasoning.
These historical uses highlight the deep integration of the species into the survival and healing rituals of regional populations.
What are the pharmacological activities of Tropaeolum majus?
This plant has demonstrated significant pharmacological potential through its proven anti-inflammatory, antibacterial, antifungal, antimicrobial, and antioxidant activities. Research indicates that its chemical constituents effectively inhibit the growth of various pathogenic bacteria and fungi. These antimicrobial properties make it a subject of interest for developing new therapeutic agents against infectious diseases. Furthermore, the presence of bioactive compounds helps neutralize free radicals, providing a robust antioxidant effect. By reducing oxidative stress and inflammation, the plant offers diverse medicinal benefits for cellular protection.
According to a study published by "Phytomedicine : international journal of phytotherapy and phytopharmacology", Tropaeoluum majus herb produces three different isothiocyanates as secondary metabolites. These metabolites exert antibacterial, anti-inflammatory, and immune-modulatory functions in humans. In a randomized, two-armed, placebo-controlled, double-blind, phase IV study involving 384 patients, the herb was part of a combination that showed accelerated healing of bronchitis symptoms. Within the treatment group of 195 patients, statistically significant reductions in coughing, mucous production, and chest pain were observed after three days of treatment. This beneficial effect persisted for the entire duration of treatment until day ten.
The primary pharmacological activities of this plant are shown in the list below.
- antibacterial
- antifungal
- antimicrobial
- antioxidant
- anti-inflammatory
What medicinal compounds this plant contains?
This plant contains a diverse array of bioactive constituents including sesquiterpene lactones, phylloxaanthobilins, terpene steroids, phenolic content, and organic acids. These specific chemical elements contribute to the complex pharmacological profile that defines its medicinal properties. The presence of sesquiterpene lactones and phylloxaanthobilins is particularly significant for the plant's biological activity. Additionally, the combination of terpene steroids and varying phenolic content supports various therapeutic applications. Finally, the organic acids present in the tissue further round out the chemical composition of Tropaeolum majus.
According to a study published by "Journal of toxicology and environmental health. Part A", extracts from the leaves and flowers of Tropaeolum majus L. contain organic acids, proteins, amino acids, and terpene steroids. Specifically, sesquiterpene lactones and depside were detected within the leaf extracts. These extracts exhibited a marked phytotoxic effect when tested at a higher concentration. The substances induced clastogenic, aneugenic cytotoxic, and potential mutagenic effects. The study used the 50% Inhibition Concentration (IC50) calculated from seedling growth curve values to apply for cell cycle analysis exposure.
The primary medicinal compounds of this plant are shown in the list below.
- Sesquiterpene lactones
- benzeneacetic acid
- phylloxanthobilins
- terpene steroids
- phenolic content
What health conditions is this plant used for?
This plant is used for treating various bacterial infections, including Escherichia coli infection, Staphylococcus aureus infection, and urinary tract infections. Its bioactive compounds demonstrate significant antimicrobial properties that target a wide range of pathogens. These natural substances help combat several types of microbial infectious disease by inhibiting the growth of harmful microbes. Research suggests that its efficacy is particularly useful in managing common urogenital and skin-related ailments. Consequently, it serves as a traditional remedy for addressing diverse issues caused by unwanted bacteria.
According to a study published by "Plants (Basel, Switzerland)", Tropaeoluem majus is used for its biological activities against cervical cancer (HeLa), human colon cancer (HCT116), and human osteosarcoma (U2OS) cell lines. Hydrosols from the plant using MAE showed cytotoxic activity with IC50 values of 472.61-637.07 µg/mL, while MHG produced values of 719.01-1307.03 µg/mL. The plant is also applied to wound healing, where MAE concentrations of 5 and 20 µg/mL showed a mild effect, though MHG at 15 µg/mL had a significant negative effect. Antibacterial applications include reducing E. coli adhesion at 2 mg/mL and S. aureus adhesion at 1 mg/mL, with MIC concentrations above 0.5 mg/mL for MAE and 2 mg/mL for MHG. Additionally, Tropaeoluem majuus hydrosols demonstrated 100% inhibition of local lesions against tobacco mosaic virus (TMV).
The main health conditions this plant is used for are shown in the list below.
- Escherichia coli infection
- Staphylococcus aureus infection
- bacterial infections
- microbial infectious disease
- urinary tract infections
What are the herbal preparations of this plant?
This plant is used to create various medicinal preparations including aqueous extracts, hydroalcoholic extracts, hydrosols, and essential oils. Aqueous extracts are typically prepared by steeping the plant parts in water to pull out water-soluble compounds. Hydroalcoholic extracts utilize a mixture of alcohol and water to isolate a broader range of bioactive phytochemicals. Hydrosols are obtained through steam distillation and serve as aromatic waters used in topical applications. Finally, the essential oil is a highly concentrated volatile liquid captured during the distillation process for potent therapeutic use.
According to a study published by "Journal of photochemistry and photobiology. B, Biology", the leaf extracts of Tropaeolu m majus were used for the eco-friendly biosynthesis of silver nanoparticles. GC-MS spectrum analysis of the aqueous and ethanolic extracts showed the presence of 25 compounds, with benzeneacetic acid being the dominant content. The synthesized AgNPs from the plant revealed a maximum absorption spectrum at 463 nm and FTIR vibrational peaks at 3357.46, 21,966.52, 2118.42, 1637.27, 658.571 and 411.728 cm-1. For MCF7, the IC50 values were 4.68 μg/ml for the aqueous extract and 7.5 μg/ml for the ethanol extract. Regarding the VERO cell line, the IC50 values were 8.1 μg/ml for the aqueous extract and 6.8 μg/ml for the ethanol extract.
The main herbal preparations of this plant are shown in the list below.
- aqueous extract
- hydroalcoholic extracts
- hydrosols
- essential oil
What side effects this plant can have?
This plant can cause an aneugenic effect where it interferes with the normal distribution of chromosomes during cell division. Such chromosomal abnormalities can lead to significant genetic instability within the organism's cells. Scientific studies suggest that certain bioactive compounds in the plant may disrupt the spindle apparatus during mitosis. These disruptions pose a risk to cellular health and overall genetic integrity. Consequently, researchers advise caution when considering the medicinal use of this species due to these potential mutagenic properties.
According to a study published by "Journal of toxicology and environmental health. Part A", the leaf and flower extracts of Tropaeoluum majus L. possess a toxic potential that requires caution. The extracts contain organic acids, proteins, amino acids, and terpene steroids, while leaf extracts specifically contained sesquiterpene lactones and depside. When testing higher concentrations, the extracts exhibited a marked phytotoxic effect. These substances induced clastogenic, aneugenic cytotoxic, and potential mutagenic effects on cells and DNA. The study utilized the 50% Inhibition Concentration (IC50) calculated from seedling growth curve values to perform cell cycle analysis.
The main side effects this plant can have are shown in the list below.
- aneugenic effect
What herbs are paired with Tropaeolum majus?
This plant pairs best with peppery and bright herbs like basil, cilantro, mint, and dill to complement its spicy, radish-like flavor profile.
Because the leaves and flowers possess a pungent bite, citrusy herbs can help balance the heat. Mint provides a refreshing contrast that cools the palate after each bite. Cilantro and basil work together to enhance the botanical notes present in the foliage.
These combinations create a well-rounded culinary experience in salads and garnishes.