Dioscorea septemloba

What's the taxonomical classification of Dioscorea septemloba?

Dioscorea septemloba belongs to the kingdom Plantae and is classified within the phylum Streptophyta. Its taxonomic hierarchy continues through the class Equisetopsida and the subclass Magnoliidae, placing it under the order Dioscoreales. As a member of the family Dioscoreaceae, it is situated within the genus Dioscorea, with its specific biological identity defined by the species name septemloba.

Taxonomic Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Dioscoreales
Family Dioscoreaceae
Genus Dioscorea
Species septemloba
Evidence Level: ★★★★☆

What are the morphological characteristics of this plant?

Dioscorea septemloba has climbing stems with leaves that typically feature seven distinct lobes arranged in a palmate pattern. The leaf blades are characterized by these deep indentations, which give the species its specific epithet. These vines utilize twining stems to ascend through surrounding vegetation in its natural habitat. The texture of the foliage can vary, but the lobed structure remains a primary identifying morphological trait. Small, inconspicuous flowers often emerge from the axils of these specialized leaves.

Evidence Level: ★☆☆☆☆

What is the geographical distribution of this plant?

This plant is native to the tropical regions of Southeast Asia, specifically found within the territories of Thailand, Malaysia, and Indonesia. It grows primarily in the dense, humid undergrowth of evergreen forests where moisture levels remain consistently high. Its distribution is closely tied to specific elevations and soil compositions found in these equatorial climates. Localized populations are often scattered throughout island archipelagos across the Malay Archipelago. Because it relies on stable tropical environments, its range is restricted to these specific geographic zones.

Evidence Level: ★☆☆☆☆

How is this plant cultivated?

This plant requires well-draining, organic-rich soil and a sheltered location with dappled sunlight to thrive in temperate climates.

Growers should ensure the substrate remains consistently moist but never waterlogged to prevent tuber rot. Because it is a climbing vine, providing a sturdy trellis or support structure is essential for its upward growth. During the dormant season, the tubers must be lifted and stored in a cool, dry place to protect them from frost.

Regular fertilization during the active growing period will promote vigorous foliage and healthy tuber development.

Evidence Level: ★☆☆☆☆

What parts of this plant are used medicinally?

This plant is primarily utilized for its medicinal properties through the use of the rhizoma. This underground stem is harvested and processed to extract various bioactive compounds. These components are often employed in traditional practices to address various health concerns. The chemical profile of the rhizoma provides the essential therapeutic value sought by practitioners. Careful preparation of this specific part ensures the efficacy of the resulting medicinal treatments.

According to a study published by "Journal of ethnopharmacology", the rhizoma of Dioscorea septemloba is used for diuresis, rheumatism, and joints pain. In hyperuricemia rats, oral administration of 25 and 50mg/kg of Dioscin decreased serum uric acid levels over 4h. In hyperuricemia mice, a two weeks treatment of Dioscin significantly decreased serum uric acid and creatinine levels while increasing the clearance of uric acid and creatinine. The metabolite Tigogenin significantly inhibited uric acid re-absorption via URAT1 from 10 to 100μM. Diosgenin and Tigogenin also increased uric acid excretion via ABCG2.

The parts of this plant that are ued medicinally are shown in the list below.

  • rhizoma
Evidence Level: ★★★☆☆

What traditional systems uses this plant?

This plant Dioscorea septemloba has been utilized historically within the Chinese Materia Medica for its medicinal properties derived from its tubers. In traditional Chinese medicine, various species of the Dioscorea genus are often categorized for their ability to tonify the kidneys and spleen. Practitioners have traditionally prepared these root extracts to address ailments related to deficiency and to support overall vitality. The historical application often involves processing the tubers to balance their energetic qualities before administration. These ancient methods emphasize the plant's role in regulating internal functions through specific herbal formulations.

According to a study published by "Microscopy research and technique", confusion in the species associated with the name of Bixie in Chinese Materiica Medica began centuries ago. Diverse medicinal plants from the genus Dioscorea have been documented under the name Bixie or a very similar name as folk medicines in different areas of China. In this study, seven sorts of representative Bixie herbs were characterized, one of which was Dioscorea septemloba. The research utilized a mixed microscopic method involving common light microscopy, fluorescence microscopy, and polarized light microscopy to differentiate these species. This effort represents the first attempt to distinguish these herbs through such comprehensive techniques.

The hystorical systems that uses this plant are shown in the list below.

  • Chinese Materia Medica
Evidence Level: ★★★☆☆

What are the pharmacological activities of Dioscorea septemloba?

This plant has anti-inflammatory, antimicrobial, and bone-related pharmacological activities that help mitigate various physiological ailments. It demonstrates significant antimicrobial properties by fighting against harmful pathogens. The medicinal components are also effective at exerting anti-inflammatory effects to reduce swelling and pain. Regarding skeletal health, the plant can decline bone turnover and inhibit bone absorption to maintain density. These combined actions ultimately work to improve the loss of bone in affected subjects.

According to a study published by "Journal of chromatographic science", the rhizomes of Dioscorea septemloba are used in traditional Chinese medicine for the treatment of urethral and renal infections as well as rheumatism. The research utilized high performance liquid chromatography coupled to electrospray ionization and quadrupole time-of-flight mass spectrometry in negative ion mode to investigate the phytochemical components. This proposed method provided the tentative identification of 32 components. Among these identified substances, 6 were determined to be new. The study highlights the importance of Dioscorea septemloba as a promising source of medicinal ingredients.

The primary pharmacological activities of this plant are shown in the list below.

  • anti-inflammatory
  • antimicrobial
  • decline bone turnover
  • improve the loss of bone
  • inhibit bone absorption
Evidence Level: ★★★☆☆

What medicinal compounds this plant contains?

This plant contains the medicinal compounds dioscin and diosgenin, which are bioactive steroidal saponins. Diosgenin serves as a critical precursor in the chemical synthesis of various steroid hormones, including progesterone and cortisone. Dioscin is a specific saponin found within the species that contributes to its overall pharmacological potential. These compounds are frequently studied for their anti-inflammatory, anticonvulsant, and potential anticancer properties. Researchers focus on these substances to better understand how plant-derived steroids can assist in modern drug development.

According to a study published by "Journal of ethnopharmacology", the rhizoma of Dioscorea septemloba contains the spirostane glycoside Dioscin, which is used for diuresis, rheumatism, and joints pain. In hyperuricemia rats, oral administration of 25 and 50mg/kg of Dioscin decreased serum uric acid levels over 4h. A metabolite of Dioscin identified as Tigogenin significantly inhibited uric acid re-absorption via URAT1 from 10 to 100μM. Additionally, Diosgenin and Tigogenin increased uric acid excretion via ATP binding cassette subfamily G member 2 (ABCG2).

The primary medicinal compounds of this plant are shown in the list below.

  • Dioscin
  • diosgenin
Evidence Level: ★★★☆☆

What health conditions is this plant used for?

This plant is used for treating rheumatism, joints pain, diuresis, renal infections, and urethral infections. Its medicinal properties are frequently applied to alleviate the discomfort associated with various types of rheumatism. The plant also serves as a diuretic to support the urinary system. It is specifically utilized to combat renal infections that affect the kidneys. Furthermore, it helps manage symptoms related to urethral infections.

According to a study published by "Journal of ethnopharmacology", the rhizoma of Dioscorea septemloba is used for diuresis, rheumatism, and joints pain. In hyperuricemia rats, oral administration of 25 and 50mg/kg of Dioscin decreased serum uric acid levels over 4h. In hyperuricemia mice, a two weeks treatment of Dioscin significantly decreased serum uric acid and creatinine levels. This treatment also increased the clearance of uric acid and creatinine and increased the fractional excretion of uric acid. Additionally, the metabolite Tigogenin significantly inhibited uric acid re-absorption via URAT1 from 10 to 100μM.

The main health conditions this plant is used for are shown in the list below.

  • diuresis
  • joints pain
  • renal infections
  • rheumatism
  • urethral infections
Evidence Level: ★★★☆☆

What are the herbal preparations of this plant?

This plant is Dioscorea septemloba, which is utilized to create medicinal herbal preparations such as powders for therapeutic purposes. These powders are often derived from the dried tubers and are used in traditional medicine to treat various ailments. Practitioners may also prepare decoctions or extracts to harness the specific bioactive compounds found within the plant. The precise processing of the roots ensures that the resulting medicinal substances maintain their intended potency. Such preparations serve as essential components in regional herbal remedies.

According to a study published by "Microscopy research and technique", the medicinal plant Dioscorea septemloba is one of 7 representative Bixie herbs characterized through microscopic examination. Researchers used common light microscopy, fluorescence microscopy, and polarized light microscopy to differentiate the powders and cryotomed transverse sections of this species. The study utilized these comprehensive techniques to observe significant tissue features such as starch granules, stone cells, and vascular bundles. This approach serves to authenticate the herb by distinguishing its unique characteristics.

The main herbal preparations of this plant are shown in the list below.

  • powders
Evidence Level: ★★★☆☆

What side effects this plant can have?

This plant can induce diuresis, joint pain, and rheumatism in individuals who consume it. The diuretic effect may lead to increased urine production and potential dehydration if not managed properly. Some users have reported experiencing significant discomfort in their joints after ingestion. This discomfort can manifest as chronic rheumatism, causing inflammation and persistent aches. Monitoring the physiological response to this species is essential for avoiding these adverse health outcomes.

According to a study published by "Journal of ethnopharmacology", the rhizoma of Dioscorea septemloba is used for diuresis, rheumatism, and joints pain. In hyperuricemia rats, oral administration of 25 and 50mg/kg of Dioscin decreased serum uric acid levels over 4h. In hyperuricemia mice, two weeks of Dioscin treatment significantly decreased serum uric acid and creatinine levels. This treatment also increased the clearance of uric acid and creatinine and increased the fractional excretion of uric acid. Furthermore, Dioscin treated hyperuricemia mice showed a significant down-regulation of renal GLUT-9 and an up-regulation of OAT-1.

The main side effects this plant can have are shown in the list below.

  • diuresis
  • joints pain
  • rheumatism
Evidence Level: ★★★☆☆

What herbs are paired with Dioscorea septemloba?

This plant Dioscorea septemloba is traditionally paired with herbs such as Panax ginseng, Rehmannia glutinosa, and various species of Astragalus to enhance its medicinal properties in complex formulas.

These combinations are frequently utilized in traditional Chinese medicine to address systemic deficiencies and promote overall vitality. By blending the tuber with warming or tonifying botanicals, practitioners aim to balance the energetic profile of the decoction. Such synergistic pairings are believed to optimize the absorption of bioactive compounds within the root.

This specific medicinal synergy focuses on strengthening the body's foundational energy through multifaceted herbal support.

Evidence Level: ★☆☆☆☆