Portulaca oleracea
Portulaca oleracea · Accepted scientific name
Scientific literature: Very Sparse (21 studies) · ★☆☆☆☆
Portulaca oleracea is a versatile plant species that contains various bioactive chemicals, including ALA, alkanes, alkenes, and esters. Researchers have extensively studied its diverse pharmacological activities, such as antioxidant, hepatoprotective, anticancer, and antimicrobial properties. Utilizing different plant parts like the leaf, stem, seed, and root, scientists have developed various preparations including extracts, 70% ethanol extracts, and CO2 extracts. These preparations show significant potential in addressing medical conditions such as inflammation, asthma, and wound healing. Furthermore, the plant demonstrates effectiveness against pathogens like Staphylococcus aureus, highlighting its medicinal importance.
- Synonyms
- Portulaca Officinarum
- Common names
- Not available
- Family
- Portulacaceae
- Distribution
- Southern America
- Plant Parts
- Leaf · Stem
Classification
Common Names
Portulaca oleracea is a versatile plant known by a diverse array of regional and linguistic names. In various settings, it is frequently referred to by the common names Arba fratesca or simply Bembe. Some specific variations of the plant are identified locally as Bembe di Kome. Moving into German-speaking regions, it is often called Burzelkraut or Bürzelkohl. This wide variety of nomenclature highlights the plant's widespread presence across different cultures and territories.
Sources: Catalogue of Life (COL)
Synonyms
Portulaca oleracea is a versatile plant commonly known as purslane. In botanical literature, this species is frequently identified by its synonym, Portulaca officinarum. Recognizing these different names is essential for researchers and gardeners seeking accurate information. While the terminology may shift across various scientific texts, both names refer to the same succulent herb. Understanding these nomenclatural relationships ensures clarity when studying the plant's unique characteristics.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Portulaca oleracea belongs to the vast kingdom Plantae, serving as a fascinating example of botanical diversity. Within this kingdom, it is classified under the class Equisetopsida. The plant further resides in the order Caryophyllales, which connects it to many other unique flowering species. It is a member of the Portulacaceae family, a group characterized by specific growth habits. Ultimately, its formal scientific identity is defined by its placement within the genus Portulaca.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Caryophyllales |
| Family | Portulacaceae |
| Genus | Portulaca |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Portulaca oleracea displays a diverse geographical range that spans several significant regions across the African continent. In East Tropical Africa, the species is firmly established within the borders of Kenya, Tanzania, and Uganda. Beyond the mainland, its reach extends to the Atlantic islands located in the Macaronesia region. Specifically, it can be found thriving in the unique ecosystems of the Azores and the Canary Islands. This broad distribution highlights the plant's remarkable ability to adapt to varied tropical and island environments.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Portulaca oleracea is characterized by its distinct herb growth form. This self-supporting plant is capable of thriving in various environments without external structural aid. In terms of stature, it typically reaches a maximum height of 0.5 m. Depending on its specific conditions, the plant's height can fluctuate between a minimum of 0.05 m and 0.22 m. This range of size highlights the versatile nature of its physical development.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Portulaca oleracea is a versatile medicinal plant recognized for its diverse pharmacological profile, including significant antioxidant and antimicrobial activities. Research indicates that its extracts can exert potent hepatoprotective effects, particularly in mitigating liver injury and dysfunction. The plant also demonstrates promising anticancer properties, specifically by inhibiting the progression of colorectal cancer through the inactivation of key signaling pathways. Furthermore, its ability to act as a bronchodilator provides a scientific basis for its traditional use as an antiasthmatic herb. Together, these multifaceted biological activities highlight the therapeutic potential of this plant in treating various inflammatory and degenerative conditions.
Compounds
Portulaca oleracea is a plant of significant medicinal interest due to its diverse and complex chemical profile. Detailed gas chromatography-mass spectrometry analysis has revealed that the plant contains various organic components, including alkanes, alkenes, and esters. Furthermore, the presence of flavonoids within the species contributes to its notable antioxidant activity and potential for treating oxidative stress. Beyond these common constituents, specialized studies have successfully isolated unique compounds such as friedelin from its extracts. These multifaceted chemical relationships suggest that the plant holds great promise for advancements in the pharmaceutical, cosmetic, and food industries.
Conditions
Portulaca oleracea exhibits significant antimicrobial properties, making it effective for targeting various pathogens including Staphylococcus aureus. The plant serves as a powerful anti-inflammatory agent, demonstrating the ability to treat inflammation by reducing pro-inflammatory cytokines and oxidative stress. Research highlights its medicinal value in managing respiratory issues, as it possesses potent anti-asthmatic effects through bronchodilatory actions. These diverse therapeutic capabilities allow the plant to function as a versatile tool for treating both infectious and chronic inflammatory conditions. Through its various bioactive compounds, Portulaca oleracea provides a natural approach to addressing antimicrobial threats and systemic inflammation.
Preparations
Portulaca oleracea is prepared as an extract for various pharmacological and chemical studies, including investigations into its antioxidant and antimicrobial properties. Researchers frequently utilize Portulaca oleracea prepared as extracts to evaluate its effects on human lymphocytes and to reduce thirst symptoms in laboratory mice. The plant is also prepared as a 70% ethanol extract to isolate specific chemical constituents such as oleracein and caffeic acid. Furthermore, Portulaca oleracea is prepared as a CO2 extract to identify bioactive compounds and assess its potential for the pharmaceutical and food industries. Finally, the plant is prepared as a methanolic extract to study its ability to attenuate liver injury and to facilitate the microextraction of melatonin.
Parts used
Portulaca oleracea is a versatile medicinal plant whose various anatomical parts offer significant biological benefits. Research indicates that extracts from the leaves and stems can influence smooth muscle relaxation and exhibit antileishmanial properties. The seeds of the plant are particularly notable for their essential fatty acid composition and their ability to mitigate oxidative stress and hemodynamic changes in thyrotoxic models. Furthermore, the roots of specific populations have been found to contain high levels of total phenolic content and antioxidant capacity. Studies on stem cuttings also demonstrate the plant's ability to develop adventitious roots and leaves while acting as a copper accumulator.