Metaplexis japonica

What's the taxonomical classification of Metaplexis japonica?

Metaplexis japonica belongs to the kingdom Plantae and is categorized under the phylum Streptophyta. Within this lineage, it is classified under the class Equisetopsida and the subclass Magnoliidae. Following the hierarchical structure of its biological classification, it falls under the order Gentianales and is a member of the family Apocynaceae. Finally, its specific taxonomic identity is defined by the genus Metaplexis and the species name japonica.

Taxonomic Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Gentianales
Family Apocynaceae
Genus Metaplexis
Species japonica
Evidence Level: ★★★★☆

What are the morphological characteristics of this plant?

Metaplexis japonica has trailing, herbaceous stems that reach lengths of up to several meters and bear opposite, ovate to elliptical leaves with entire margins. The foliage typically measures between two and five centimeters in length and features prominent venation. Small, inconspicuous flowers emerge from the leaf axils in clusters, displaying a pale lavender to white coloration. These blossoms possess a tubular structure that opens into five spreading lobes. The plant also develops small, globose fruits that turn dark upon maturity.

Evidence Level: ★☆☆☆☆

What is the geographical distribution of this plant?

This plant is native to East Asia, specifically occurring across Japan, China, Korea, and Taiwan. It has since expanded its range into various subtropical and temperate regions of the world through human activity or natural dispersal. In many areas, it is frequently found in disturbed soils, roadsides, and waste ground where sunlight is abundant. Its ability to thrive in diverse climates has allowed it to establish populations in parts of North America and other tropical zones. This widespread distribution makes it a common sight in many urban and rural landscapes globally.

Evidence Level: ★☆☆☆☆

How is this plant cultivated?

This plant grows best in well-drained soil with full sun to partial shade and requires consistent moisture to thrive.

It is a perennial climber that spreads rapidly through its vigorous twining stems. Gardeners should provide sturdy supports like fences or trellises to manage its climbing habit effectively. Regular pruning helps control its growth and prevents it from becoming overly invasive in a landscape.

Once established, the plant is relatively hardy and can tolerate various soil types.

Evidence Level: ★☆☆☆☆

What parts of this plant are used medicinally?

Metaplexis japonica contains medicinal properties found primarily in its whole plant, including the leaves, stems, and roots. The leaves are frequently utilized in traditional practices to treat inflammation and skin ailments. Extracts from the roots are often employed to address issues related to the digestive system and liver function. Additionally, the stems can be processed into decoctions used for their diuretic and cooling effects. These various parts work together to provide a broad range of therapeutic applications in herbal medicine.

Evidence Level: ★☆☆☆☆

What traditional systems uses this plant?

This plant Metaplexis japonica is utilized in Traditional Chinese Medicine as a restorative herb known as Jie Geng to clear lung heat and transform phlegm. Practitioners often prescribe the root to treat coughs, sore throats, and various respiratory ailments. Beyond the Chinese medicinal system, it has been used in other regional folk traditions to address skin conditions and promote healing. The plant's chemical properties are frequently studied to understand how it interacts with the body's inflammatory responses. Historical applications emphasize its ability to harmonize different herbal formulas within complex prescriptions.

According to a study published by "Pharmaceuticaal science advances", Metaplexis japonica Makinio, also known as Luo Mo, has long been a staple in Traditional Chinese Medicine (TCM). This plant belongs to the Asclepiadaceae family and is utilized due to its wide range of pharmacological activities. Beneficial properties in this plant are attributed to compounds like saponins, alkaloids, and polysaccharides. Polysaccharides from this family are reported to exhibit activities including anti-radiation, anti-tumor, anti-fatigue, antioxidant, anti-hyperlipidemic, immune-boosting, and liver-protective effects. These complex structures are made up of different monosaccharides that contribute to their diverse therapeutic effects.

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

  • Traditional Chinese Medicine
Evidence Level: ★★★☆☆

What are the pharmacological activities of Metaplexis japonica?

This plant has anti-fatigue, anti-hyperlipidemic, anti-tumor, antioxidant, and liver-protective pharmacological activities. Its antioxidant properties help neutralize free radicals to prevent cellular damage within the body. The extract also exhibits anti-hyperlipidemic effects by assisting in the regulation of lipid levels in the blood. Furthermore, it demonstrates liver-protective qualities that help shield hepatic tissues from toxicity and injury. Research also suggests its potential anti-tumor capabilities and its ability to reduce physical fatigue.

According to a study published by "Pharmaceutical science advances", Metaplexis japonica Makinino is a staple in Traditional Chinese Medicine due to its wide range of pharmacological activities. These beneficial properties are attributed to compounds such as saponins, alkaloids, and polysaccharides. Polysaccharides from plants in the Asclepiadaceae family, like Metaplexis japonica, exhibit activities including anti-radiation, anti-tumor, anti-fatigue, antioxidant, anti-hyperlipidemic, immune-boosting, and liver-protective effects. These polysaccharides possess complex structures made up of different monosaccharides that contribute to their diverse therapeutic effects.

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

  • anti-hyperlipidemic
  • anti-tumor
  • antioxidant
  • immune-boosting
  • liver-protective
Evidence Level: ★★★☆☆

What medicinal compounds this plant contains?

This plant contains 6'-hydroxy-Justiciiidin B, various alkaloids, polysaccharides, and saponins that contribute to its medicinal properties. These specific alkaloids are often studied for their potential biological activities in pharmacological research. The presence of complex polysaccharides may support immune system functions within the body. Additionally, the saponins found in the plant can influence various physiological processes through their unique chemical structures. Together, these diverse medicinal compounds form the basis of the plant's therapeutic potential.

According to a study published by "Pharmaceuatical science advances", Metaplexis japonica Makino is a medicinal plant from the Asclepiadaceae family used in Traditional Chinese Medicine. The beneficial properties of this plant are largely attributed to compounds such as saponins, alkaloids, and polysaccharides. These polysaccharides are vital components and exhibit various pharmacological activities, including anti-radiation, anti-tumor, anti-fatigue, antioxidant, anti-hyperlipidemic, immune-boosting, and liver-protective effects. The polysaccharides possess complex structures made up of different monosaccharides.

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

  • 6'-hydroxy-Justiciidin B
  • alkaloids
  • polysaccharides
  • saponins
Evidence Level: ★★★☆☆

What health conditions is this plant used for?

This plant is used for treating hyperlipidemia, immune deficiency, liver damage, oxidative stress, and tumors. Its bioactive compounds work to regulate lipid levels in the blood to manage cholesterol issues. The plant also helps bolster the body's natural defenses to combat weakened immune systems. Additionally, its antioxidant properties protect cells from oxidative stress and assist in repairing damaged liver tissue. Researchers are also investigating its potential pharmacological effects in inhibiting the growth of various tumors.

According to a study published by "Pharmaceuctical science advances", Metaplexis japonica Makinino is a medicinal plant from the Asclepidaeceae family used in Traditional Chinese Medicine. The pharmacological activities of its polysaccharides include anti-radiation, anti-tumor, anti-fatigue, antioxidant, anti-hyperlipidemic, immune-boosting, and liver-protective effects. These beneficial properties are attributed to compounds such as saponins, alkaloids, and polysaccharides. The complex structures of these polysaccharides are composed of different monosaccharides. This study provides a summary regarding the isolation, purification, structural characterization, and pharmacological activities of these components.

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

  • hyperlipidemia
  • immune deficiency
  • liver damage
  • oxidative stress
  • tumor
Evidence Level: ★★★☆☆

What are the herbal preparations of this plant?

This plant is used to create various medicinal herbal preparations such as Jian-er syrup to treat respiratory ailments and inflammatory conditions. The root and leaves of Metaplexis japonica are frequently decocted into teas or concentrated liquid extracts. These preparations often aim to clear heat and resolve toxins within the body according to traditional practices. Some formulations incorporate the plant into topical ointments for skin irritation or wound healing. The versatility of its chemical constituents allows for diverse applications in both oral and external treatments.

According to a study published by "Journal of pharmaceuatical and biomedical analysis", Metaplexis japonica (Thunb.) Makino is an herb used to refine the traditional Chinese medicinal preparation known as Jian-er syrup. A new lignan was isolated from the ethyl acetate extract of this syrup. To determine the content of this lignan, RP-HPLC was performed using an Agilent Zorbax SB-C18 column measuring 150 mm x 4.6 mm i.d. with a 5 microm particle size. The analysis was conducted at 25 degrees C using a mobile phase of acetonitrile and water at a 31:69 v/v ratio. Detection occurred at 256 nm with a flow rate of 1.0 ml/min to effectively control the quality of the preparation.

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

  • Jian-er syrup
Evidence Level: ★★★☆☆

What side effects this plant can have?

This plant can cause adverse health effects such as skin irritation, digestive distress, and potential toxicity if consumed in large quantities. When applied topically, the plant's components may trigger allergic reactions or contact dermatitis in sensitive individuals. Ingestion of the plant often leads to nausea, vomiting, or abdominal pain due to its chemical composition. Excessive use may also interfere with certain metabolic processes or interact poorly with existing medications. It is crucial to exercise caution and consult a professional before using this species for any medicinal purpose.

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

    Evidence Level: ★☆☆☆☆

    What herbs are paired with Metaplexis japonica?

    This plant Metaplexis japonica is traditionally paired with herbs such as licorice root, dandelion, and chrysanthemum to enhance its therapeutic properties in herbal medicine.

    When combined with licorice, it helps to harmonize the formula and mitigate potential bitterness. Pairing the plant with dandelion supports its diuretic effects and aids in detoxification processes. Utilizing chrysanthemum alongside it can help clear heat and soothe the system during seasonal transitions.

    These specific combinations are carefully selected to balance the medicinal potency and target different physiological needs.

    Evidence Level: ★☆☆☆☆