Stevia rebaudiana
Stevia rebaudiana · Accepted scientific name
Scientific literature: Very Sparse (9 studies) · ★☆☆☆☆
Stevia rebaudiana is a versatile plant recognized for its diverse medicinal properties and high-intensity sweetness. The leaves, stems, roots, and seeds contain vital bioactive compounds, most notably steviol glycosides such as stevioside and rebaudioside A, along with beneficial flavonoids. Researchers utilize various preparations, including aqueous extracts and silver nanoparticles (AgNPs), to harness its therapeutic potential. These extracts demonstrate significant biological activities, including antioxidant, antibacterial, cytotoxic, and antihyperglycemic effects. Consequently, this plant holds immense promise in managing health conditions such as obesity, diabetes, and blood glucose regulation.
- Synonyms
- Stevia Rebaudiana · Eupatorium Rebaudianum
- Common names
- Not available
- Family
- Asteraceae
- Distribution
- Not available
- Plant Parts
- Leaf · Root
Classification
Common Names
Stevia rebaudiana is a versatile plant known by a variety of names depending on the region and language. In many parts of the world, it is simply referred to by its common name, Stevia. Some people also recognize it as Paraguay-Stevia, reflecting its geographical roots. In certain cultural contexts, it carries the names erva-doce, estévia, or erva-adocicada. These diverse labels all point to the same unique botanical species celebrated for its sweetness.
Sources: Catalogue of Life (COL)
Synonyms
Stevia rebaudiana is a plant widely recognized for its unique ability to provide intense sweetness without the calories found in sugar. In botanical literature, you may encounter this species referred to by its synonym, Eupatorium rebaudianum. It is also frequently documented under its own accepted name, Stevia rebaudiana, ensuring consistency across scientific studies. Understanding these various taxonomic designations is essential for researchers studying its chemical properties. Navigating these synonymous names allows for a clearer identification of this popular natural sweetener.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Stevia rebaudiana is a remarkable organism that belongs to the kingdom Plantae. Within this vast biological realm, it is classified under the class Equisetopsida. Its systematic journey continues through the order Asterales, placing it among a diverse group of flowering plants. This species is further identified by its specific genus, Stevia, which distinguishes it from other relatives. Finally, it finds its home within the Asteraceae family, sharing a lineage with many well-known composite flowers.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Stevia |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Identification
Morphology
Stevia rebaudiana is a self-supporting herb that grows in a compact, upright form. Reaching a maximum height of 1 meter, this plant maintains a sturdy structure without the need for external support. Its manageable size makes it a distinctive and easy-to-cultivate species within its environment.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Stevia rebaudiana is a versatile medicinal plant recognized for its significant therapeutic potential across a variety of biological activities. Research has demonstrated that its extracts possess potent antioxidant properties, effectively scavenging free radicals to combat oxidative stress. The plant also exhibits strong antibacterial and antimicrobial activities, particularly when used in the green synthesis of silver nanoparticles to inhibit various pathogens. Furthermore, studies on hydroponic aqueous extracts have revealed significant antihyperglycemic and antihyperlipidemic effects, making it a promising candidate for managing metabolic conditions. These diverse biological functions highlight the plant's importance as a natural resource for developing advanced health interventions.
Compounds
Stevia rebaudiana is a highly valued medicinal plant renowned for its ability to produce a variety of bioactive compounds. It contains steviol glycosides, which serve as the primary source of its unique, non-caloric sweetness. Within this chemical profile, specific compounds such as stevioside and rebaudioside A play crucial roles in determining the plant's flavor and quality. The plant also contains flavonoids and other secondary metabolites that contribute to its diverse medicinal properties. Furthermore, the acid hydrolysis of its extracts can yield isosteviol, a tetracyclic diterpenoid with significant potential for pharmacological research.
Conditions
Stevia rebaudiana is recognized for its ability to treat diabetes by providing powerful antihyperglycemic effects. This medicinal plant effectively treats blood glucose levels through the modulation of glucose transport and insulin sensitivity. Research indicates that Stevia rebaudiana treats metabolic disorders by manipulating glucose uptake components in peripheral tissues. Furthermore, the plant treats antioxidant signaling pathways, which helps to attenuate various diabetic complications. These properties make Stevia rebaudiana a valuable therapeutic option for diabetic patients seeking natural alternatives.
Preparations
Stevia rebaudiana is prepared as extracts to study its various therapeutic properties, including its potential to regenerate pancreatic β-cells. The plant is also prepared as aqueous extracts, which have been evaluated for their safety in reproductive studies and their ability to manage hyperglycemia and lipids in rabbits. Furthermore, Stevia rebaudiana is prepared as an extract to investigate its antioxidant effects and its capacity to attenuate metabolic disorders in diabetic models. In certain biotechnological applications, Stevia rebaudiana is prepared as AgNPs to facilitate the green synthesis of silver nanoparticles for antimicrobial use. These different preparation methods, including the use of aqueous extracts, allow researchers to explore the plant's wide-ranging medicinal applications.
Parts used
Stevia rebaudiana is a versatile medicinal plant that offers significant health benefits through the use of its various biological components. Researchers have extensively utilized the leaves to extract steviol glycosides and polysaccharides, which contribute to its antioxidant and immunomodulatory properties. Beyond the foliage, the stems also serve as a valuable source for aqueous and ethanolic extracts used in managing metabolic syndrome. Studies focusing on cultivation and biotechnology have also highlighted the importance of the seeds and the development of adventitious root cultures for secondary metabolite production. Ultimately, the diverse parts of Stevia rebaudiana, including its leaves, stems, roots, and seeds, make it a potent natural candidate for pharmaceutical and functional food applications.