Dioscorea deltoidea

Dioscorea deltoidea · Accepted scientific name

Scientific literature: Very Sparse (8 studies) · ★☆☆☆☆

Dioscorea deltoidea is a significant botanical species recognized for its diverse therapeutic potential in modern pharmacology. The plant contains valuable bioactive compounds, including diosgenin, allantoin, and various polyphenols, which drive its medicinal efficacy. Research has demonstrated that its preparations exhibit potent antibacterial, antihyperoxic, antioxidant, and cytotoxic activities. These properties suggest that the plant could play a crucial role in managing conditions such as cancer, autoimmune diseases, cardiovascular diseases, and hyperglycemia. Scientists utilize various forms, such as ethanol extracts and bioreactor-grown cell biomass, to harness these biological benefits for clinical applications.

Quick facts
Synonyms
Dioscorea Nepalensis · Tamus Nepalensis · 1 more
Common names
Not available
Family
Dioscoreaceae
Distribution
Africa
Plant Parts
Not available

Classification

Common Names

Dioscorea deltoidea is a versatile plant known by a diverse array of regional and descriptive names. Commonly referred to as Bhyakur or Tarul, it holds a significant place in various local traditions. Many people also recognize the species by its evocative English moniker, Elephant's Foot. Depending on the specific area or dialect, it may be called Qanis or the more whimsical Singly-mingly. These various identities highlight the deep cultural and linguistic connections surrounding this unique species.

Sources: Catalogue of Life (COL)

Synonyms

Dioscorea deltoidea is a botanical subject that has been identified under several different names throughout scientific history. One recognized synonym for this species is the variety known as Dioscorea deltoidea var. orbiculata. Researchers have also categorized the plant under the name Dioscorea nepalensis in previous studies. Furthermore, the taxon has been linked to the name Tamus nepalensis in various taxonomic records. Understanding these various synonyms is essential for maintaining clarity when discussing the plant's botanical classification.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Dioscorea deltoidea is a unique botanical specimen that belongs to the kingdom Plantae. Within this vast kingdom, it is classified under the class Equisetopsida. This plant is further organized into the order Dioscoreales, showcasing its specific evolutionary lineage. It falls under the family Dioscoreaceae, which highlights its close ties to other related species. Ultimately, this plant is identified by its membership in the genus Dioscorea.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Dioscoreales
Family Dioscoreaceae
Genus Dioscorea

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Dioscorea deltoidea exhibits a widespread distribution that spans both temperate and tropical regions across Asia. In the temperate zones, this species is notably found throughout various parts of China, including the South-Central regions and the high altitudes of Tibet. Its tropical presence is equally significant, stretching across the Indian Subcontinent to include areas such as Assam and the East Himalaya. Furthermore, the plant can be found thriving within the borders of Bangladesh. This diverse range highlights the botanical adaptability of the species across varying Asian climates.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Dioscorea deltoidea is characterized by its distinct growth form as a herbaceous plant. It relies on an obligatory climbing habit to navigate its environment and reach necessary sunlight.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Dioscorea deltoidea is a highly valued medicinal plant recognized for its diverse range of therapeutic biological activities. Research indicates that the plant possesses significant antibacterial and antioxidant properties, making it useful for fighting infections and oxidative stress. Its chemical profile also demonstrates notable cytotoxic effects, which are relevant in studies involving cancer and disease management. Furthermore, the species has shown potent antihypoxic action, particularly in animal models addressing various forms of hypoxia. Complementing these functions, the plant's expectorant properties allow it to be used effectively in treating respiratory-related ailments.

Compounds

Dioscorea deltoidea is a highly valued medicinal plant known for its significant phytochemical potential. This species contains important bioactive compounds, including allantoin and various polyphenols. Most notably, the plant contains diosgenin, a steroidal compound that serves as a critical precursor in the chemical synthesis of hormones. These constituent chemicals contribute to a wide range of therapeutic benefits, such as anti-inflammatory and antioxidant activities. Consequently, the presence of these specific substances makes the plant a vital resource for both traditional medicine and modern pharmacological applications.

Conditions

Dioscorea deltoidea demonstrates significant therapeutic potential by treating various forms of hypoxia, including acute asphyctic hypoxia (AAH), acute haemic hypoxia (AHeH), and acute histotoxic hypoxia (AHtH). In animal models, it has proven particularly effective in addressing acute haemic hypoxia compared to other plant preparations. Furthermore, the plant's cell biomass is highly effective in treating high-fat diet-induced obesity by reducing weight gain and fat mass. Its application also extends to the management of various metabolic disorders, aided by its ability to reduce glucose and cholesterol levels. These combined pharmacological actions highlight its versatility in treating both respiratory oxygen deprivation and complex metabolic conditions.

Preparations

Dioscorea deltoidea is prepared as bioreactor-grown cell suspensions to investigate their therapeutic potential for treating carbohydrate metabolism disorders. This plant species is also prepared as cell biomass, which has demonstrated the ability to normalize lipid and glucose metabolism in animal models. Additionally, Dioscorea deltoidea is prepared as aqueous suspensions to effectively reduce blood glucose levels in hyperglycemic subjects. The plant is further prepared as extracts in water and ethanol to study its antihypoxic effects across various hypoxia models. These diverse preparations allow for the identification and application of bioactive secondary metabolites like deltoside and protodioscin.

Parts used