Menispermum dauricum
What's the taxonomical classification of Menispermum dauricum?
Menispermum dauricum belongs to the kingdom Plantae and is classified within the phylum Streptophyta. It falls under the class Equisetopsida and the subclass Magnoliidae, placing it within the diverse order Ranunculales. Specifically, this plant is a member of the family Menispermaceae and is categorized under the genus Menispermum, ultimately reaching its specific identification as the species dauricum.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Ranunculales |
| Family | Menispermaceae |
| Genus | Menispermum |
| Species | dauricum |
What are the morphological characteristics of this plant?
Menispermum dauricum has deciduous, herbaceous stems with alternate, cordate to ovate leaves that possess long petioles and crenate margins. The foliage is characterized by a soft texture and a vibrant green color during the growing season. Its reproductive structures consist of small, inconspicuous flowers that typically emerge in late spring. These flowers give way to fleshy, berry-like fruits that are essential for the plant's dispersal. The root system is composed of a creeping rhizome that allows the species to spread through forest floor habitats.
What is the geographical distribution of this plant?
This plant is native to the mountainous regions of Central and Western Asia, specifically spanning across parts of Turkey, Iran, and the Caucasus. It typically thrives in high-altitude habitats where rocky terrain and limestone substrates are prevalent. Its distribution follows specific altitudinal zones within these mountain ranges, often favoring shaded slopes or forest margins. Local populations are often fragmented due to the isolated nature of its preferred mountain ecosystems. Consequently, its presence is tied to specific microclimates found within these distinct geological landscapes.
How is this plant cultivated?
This plant thrives in moist, humus-rich soil within shaded or semi-shaded environments that mimic its natural woodland habitat.
Cultivators should ensure the substrate maintains consistent moisture levels without becoming waterlogged to prevent root rot. It performs best in partial shade where it can spread its low-growing foliage across the ground. Providing organic mulch helps stabilize soil temperature and retains necessary humidity during warmer months.
Careful attention to drainage is essential for successful long-term growth in garden settings.
What parts of this plant are used medicinally?
This plant Menispermum dauricum is utilized medicinally through the application of its leaves, rhizomes, and roots. The leaves are often processed to extract specific bioactive compounds for various therapeutic purposes. Below the surface, the rhizomes provide additional chemical constituents essential for traditional remedies. The roots serve as another vital component that contains the medicinal properties required for treatment. Together, these three distinct parts constitute the primary elements used in the plant's medicinal preparations.
According to a study published by "Advanced science (Weinheim, Baden-Wurttemberg, Germany)", the plant Menispermum dauricum synthesizes valuable benzylisoquinoline alkaloids including bisbenzylisoquinoline alkaloids and sinomenines. A novel leaf-specific MdCYP80G10 enzyme is discovered within the plant to catalyze the C2'-C4a phenol coupling of (S)-reticuline into sinoacuatinne. The biosynthetic pathway for these diverse compounds is reconstructed through the analysis of the transcriptome and metabolome. Five catalytic enzymes are identified as being responsible for the formation of the skeleton, hydroxylated modification, and C-O/C-C phenol coupling, consisting of 1 norcoclaurine synthase and 4 cytochrome P450 monooxygenases. This process is driven by Menispermum-specific CYP80 gene expansion and tissue-specific expression.
The parts of this plant that are ued medicinally are shown in the list below.
- leaf
- rhizome
- root
What traditional systems uses this plant?
This plant Menispermum dauricum has been utilized in Traditional Chinese Medicine for centuries to treat various ailments related to blood circulation and inflammation. Practitioners historically employed its roots and stems to address symptoms such as joint pain and abdominal discomfort. In many local folk traditions, the plant's bitter properties were believed to clear heat and detoxify the body. Its chemical constituents were often studied to understand how they could soothe internal swelling or systemic stagnation. These historical applications highlight the plant's long-standing role in regional herbal pharmacopeias.
According to a study published by "Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica", Menispermum dauricum is one of the six traditional Chinese medicines analyzed using ultrahigh performance liquid chromatography-quadrupole time of flight-tandem mass spectrometry. This research identified a total of 42 alkaloid glycosides across the studied herbal medicines. Menispermum dauricum was specifically noted as one of the medicines containing alkaloid glycosides. Furthermore, the study found that more alkaloid glycosides were identified in Menispermum dauricum compared to other samples.
The hystorical systems that uses this plant are shown in the list below.
- Traditional Chinese Medicine
What are the pharmacological activities of Menispermum dauricum?
This plant has anti-allergic, anti-arrhythmic, anti-inflammatory, anti-platelet aggregation, and anti-thrombotic pharmacological activities. These diverse biological properties suggest that the plant contains specific bioactive compounds capable of modulating various physiological processes. Its anti-inflammatory and anti-allergic effects indicate potential utility in treating hypersensitivity and immune-related disorders. Furthermore, the plant demonstrates cardiovascular benefits through its ability to regulate heart rhythms and inhibit blood clot formation. By preventing platelet aggregation and providing anti-thrombotic actions, it may help reduce the risk of vascular complications.
According to a study published by "Journal of ethnopharmacology", the roots of Menispermum dauricum have been used for the treatment of inflammation, allergy and arrhythmia in China. The bisbenzylisoquinline alkaloid dauricine from Menispermum dauricum contributes to anti-arrhythmic effects by prolonging the action potential duration (APD) through the modulation of Ca(2+) and several K(+) channels. Research shows that dauricine inhibits the HERG current (I(HERG)) in a concentration-dependent manner with an IC50 of 3.5 μM. This inhibition of HERG encoded potassium channels shows significant voltage and time dependence and occurs in the open and inactivated states, but not in the closed states. This inhibitory action might serve as a molecular mechanism for the previously reported APD prolongation.
The primary pharmacological activities of this plant are shown in the list below.
- anti-allergic
- anti-arrhythmic
- anti-inflammatory
- anti-platelet aggregation
- anti-thrombotic
What medicinal compounds this plant contains?
This plant contains the specific medicinal compounds dauricine, acutumidine, acutumine, dauricinoline, and dauricumidine. These unique alkaloids are extracted from the botanical tissues to study their potential pharmacological activities. Researchers analyze these chemical structures to understand how they interact with biological systems. The presence of these distinct molecules defines the chemical profile of the species. Each compound serves as a key marker for identifying the medicinal properties of the plant.
According to a study published by "Journal of ethnopharmacology", the roots of Menispermum dauricum are used to treat inflammation, allergy, and arrhythmia. The plant contains the bisbenzylisoquinline alkaloid dauricine, which contributes to anti-arrhythmic effects by modulating Ca(2+) and several K(+) channels. This compound was found to inhibit I(HERG) in a concentration-dependent manner with an IC(50) of 3.5 μM. Dau inhibits HERG encoded potassium channels in the open and inactivated states, though not in the closed states. This inhibition might serve as a molecular mechanism for the previously reported APD prolongation.
The primary medicinal compounds of this plant are shown in the list below.
- Dauricine
- acutumidine
- acutumine
- dauricumine
- daurioxoisoporphines A-D
What health conditions is this plant used for?
This plant is used for treating arrhythmia, improving coronary circulation, reducing coronary resistance, regulating hemodynamics, and inhibiting platelet aggregation. Its active components help stabilize heart rhythms by modulating electrical activity in the cardiac tissue. The plant enhances blood flow through the arteries to ensure the heart muscle receives adequate oxygen. It also functions to lower the resistance within the coronary vessels, making it easier for blood to circulate. Furthermore, it assists in managing hemodynamic parameters and prevents the formation of dangerous blood clots by limiting platelet aggregation.
According to a study published by "Journal of ethnopharmacology", the roots of Menispermum dauricum have been used for the treatment of inflammation, allergy and arrhythmia in China for a long time. The bisbenzylisoquinline alkaloid dauricine from Menispermum dauricum mainly contributes to the anti-arrhythmic effect. This substance can prolong the action potential duration by modulating Ca(2+) and several K(+) channels. Research showed that dauricine inhibited I(HERG) in a concentration-dependent manner with an IC(50) of 3.5 μM. This inhibitory action on HERG encoded potassium channels might be a molecular mechanism for the previously reported APD prolongation.
The main health conditions this plant is used for are shown in the list below.
- arrhythmia
- coronary circulation
- coronary resistance
- heart rate
- hemodynamics
What are the herbal preparations of this plant?
This plant is Menispermum dauricum, a medicinal herb used in traditional Chinese medicine to treat various conditions related to the kidneys and reproductive system. Its pharmacological properties are often harnessed through specific decoctions and concentrated pill forms to enhance therapeutic efficacy. One of the most recognized medicinal preparations made with this plant is Qingguo Wan, which is frequently utilized for its ability to regulate physiological functions. These preparations are carefully formulated to balance the herb's potent bioactive compounds for safe consumption. Researchers continue to study these traditional formulas to better understand their specific chemical interactions within the body.
According to a study published by "Frontiers in pharmacology", Menispermum dauricum DC. was detected in three commercial samples of the herbal medicine Qingguo Wan. This research utilized the Illumina NovaSeq platform to target sequences such as ITS2, psbA-trnH, matK, and rbcL. The study obtained 34.56 Gb of raw data representing more than 0.23 billion reads to survey species composition. After assembly and clustering, the process yielded 103, 12, 10, and 12 OTUs for the targeted sequences. These analytical results helped identify the biological ingredients present within the commercial medicinal samples.
The main herbal preparations of this plant are shown in the list below.
- Qingguo Wan
What side effects this plant can have?
This plant can produce significant cardiovascular changes, including an antiarrhythmic effect, a decrease in coronary resistance, inhibited platelet aggregation, and a reduction in the risk of thrombosis. These pharmacological actions suggest that the species interacts directly with the circulatory system to modulate heart rhythm and blood flow. By lowering coronary resistance, the plant helps improve blood supply to the cardiac muscles. Furthermore, its ability to interfere with platelet aggregation provides a protective mechanism against the formation of blood clots. Consequently, these combined effects can help prevent the development of thrombosis in the vascular system.
According to a study published by "Acta pharmacologica Sinica", dauriciine and daurisoiline were isolated from Menispermum dauricum DC. The antiarrhythmic effects of dauriciine have been verified in different experimental arrhythmic models and in cardiac arrhythmic patients. Dauriciine blocked the cardiac transmembrane Na+, K+ and Ca2+ ion currents. In experimental studies, dauriciine prolonged APD in a normal use-dependent manner, which differs from the reverse use-dependent effect seen in other substances. The antiarrhythmic effect of daurisoiline is more potent than that of dauriciine.
The main side effects this plant can have are shown in the list below.
- antiarrhythmic effect
- decrease in coronary resistance
- platelet aggregation
- thrombosis
What herbs are paired with Menispermum dauricum?
This plant Menispermum dauricum is traditionally paired with herbs such as Rehmannia glutinosa and various species of Panax to enhance its specific medicinal properties.
These combinations are often formulated to balance the plant's cooling nature within traditional herbal decoctions. Practitioners frequently include Astragalus membranaceus in these mixtures to provide a complementary tonic effect for the immune system. The synergy between these specific botanicals aims to target internal deficiencies more effectively than using the plant in isolation.
Such pairings are carefully measured to ensure the pharmacological interactions remain beneficial for the patient.