Cirsium japonicum
What's the taxonomical classification of Cirsium japonicum?
Cirsium japonicum belongs to the kingdom Plantae and is classified under the phylum Streptophyta. Within the class Equisetopsida, it is further categorized into the subclass Magnoliidae. Following the taxonomic hierarchy through the order Asterales, it is placed within the family Asteraceae. This plant is identified under the genus Cirsium, and its specific designation is the species japonicum.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Cirsium |
| Species | japonicum |
What are the morphological characteristics of this plant?
Cirsium japonicum has erect, perennial stems that reach heights of up to 1.5 meters and are characterized by densely spreading white hairs and occasionally small spines. The leaves are deeply pinnatifid or lobed with serrated margins and feature a distinct white-tomentose underside. Its inflorescences consist of numerous pink to purplish flower heads arranged in large, terminal clusters. Each individual flower head is surrounded by overlapping involucral bracts that may possess small, sharp points. The root system is composed of a thick, woody rhizome that allows the plant to spread through soil.
What is the geographical distribution of this plant?
This plant is native to the temperate regions of East Asia, specifically found across Japan, Korea, and parts of eastern China. Within its primary range, it tends to occupy diverse habitats including open grasslands, forest edges, and mountain slopes. Populations are often distributed according to elevation, frequently appearing in montane environments where soil moisture is consistent. Its presence is most documented in the subtropical and temperate zones of the Japanese archipelago. Variations in local climate and terrain influence the specific density of these populations across its various territories.
How is this plant cultivated?
This plant requires full sun exposure and well-draining, fertile soil to thrive in temperate garden environments.
It is a perennial species that grows best when planted in locations where it will not compete with aggressive weeds. Regular watering is necessary during the initial establishment phase, though the mature plant can tolerate moderate periods of dryness. Providing sufficient space is essential because its root system and foliage can become quite expansive.
Once established, it serves as an excellent nectar source for pollinators such as bees and butterflies.
What parts of this plant are used medicinally?
This plant Cirsium japonicum is used medicinally through the application of its rhizomes and its whole plant. The underground rhizomes are frequently harvested to treat various internal ailments and inflammatory conditions. Practitioners often utilize the roots to help regulate bodily functions and reduce swelling. Beyond the rhizomes, the leaves and flowers may also be processed for specific therapeutic purposes. These diverse components allow the species to serve multiple roles in traditional herbal practices.
The parts of this plant that are ued medicinally are shown in the list below.
- rhizoimes
What traditional systems uses this plant?
This plant, known as Cirsium japonicum, has been utilized in Traditional Chinese Medicine and other historical healing practices to treat various inflammatory and bleeding conditions. Practitioners frequently used the roots and flowering tops to manage ailments such as dysentery, hemorrhoids, and internal bleeding. In many East Asian folk traditions, the plant was valued for its ability to clear heat and detoxify the body. The botanical components were often prepared as decoctions or topical applications to address skin irritations and wounds. These longstanding medicinal applications reflect its historical role as a versatile remedy in regional herbalism.
According to a study published by "Analytical biochemistry", Cirsium japonicum is a widely recognized medicinal crop in Chinese herbal medicine that is listed as an authentic herbal plant in the herbal pharmacopeia. This plant is susceptible to adulteration in the herbal marketplace, which raises concerns regarding product integrity and consumer safety. In an application of a species-specific LAMP method to commercial products, researchers found that only 25% of the samples contained Cirsium japonicum. This specific result represented 5 out of 20 samples tested. The study established a limit of detection of 100 pg for Cirsium japonicum using direct SYBR Green staining.
The hystorical systems that uses this plant are shown in the list below.
- Traditional Chinese Medicine
What are the pharmacological activities of Cirsium japonicum?
This plant has anti-inflammatory, antioxidant, hepatoprotective, antimicrobial, and anti-diabetic pharmacological activities. Its diverse chemical constituents allow it to mitigate oxidative stress and reduce systemic inflammation in various biological models. The plant also demonstrates significant potential in protecting liver cells from chemical damage and inhibiting the growth of harmful microorganisms. Furthermore, its bioactive compounds contribute to managing blood glucose levels, which supports its anti-diabetic properties. These multifaceted therapeutic effects make it a subject of great interest in natural product research.
According to a study published by "Phytochemical analysis : PCA", Cirsium japonicum is used in the treatment of bleeding and inflammation. In samples of this plant, pectolinarin was the major flavonoid with a concentration ranging from 0.32-2.00%. Other identified flavonoids in the species include linarin, hispidulin-7-neohesperidoside, and luteolin. The total flavonoid content of Cirsium japonicum varied from 0.81 to 3.67%.
The primary pharmacological activities of this plant are shown in the list below.
- anti-inflammatory
- antioxidant
- hepatoprotective
- antimicrobial
- anti-diabetic
What medicinal compounds this plant contains?
This plant contains the medicinal compounds cirsimaritin, pectolinarin, linarin, silymarin, and flavolignans. These specific phytochemicals contribute to the diverse therapeutic potential observed in the species. Silymarin and various flavolignans are particularly noted for their antioxidant and hepatoprotective properties. Additionally, compounds like cirsimaritin and pectolinarin play roles in the plant's complex chemical profile. The presence of linarin further enhances the biological activity of the extract.
According to a study published by "Journal of biomolecular structure & dynamics", Cirsium japonicum contains the dimethoxy flavone cirsimaritin. This compound acts as a lung squamous carcinoma cells (NCIH-520) proliferation inhibitor with an IC50 of 23.29 µM. It can inhibit the proliferation of other cell lines up to 48% at 100 µM. In the NC-I H-520 cell line, cirsimaritin increases ROS levels by 1.6 fold at 10 µM and 1.8 fold at 100 µM. Additionally, it inhibits the activity of ODC and CATD with an IC50 of 57.30 and 68.22 µM respectively.
The primary medicinal compounds of this plant are shown in the list below.
- Cirsimaritin
- Pectolinarin
- Linaarin
- Flavolignan
- Silymarin
What health conditions is this plant used for?
This plant is used for treating inflammation, liver disorders, microbial infections, oxidative stress, and pain. Its bioactive compounds act to reduce swelling and soothe physical discomfort throughout the body. Research suggests that its properties can protect liver cells from damage and help manage various hepatic ailments. Additionally, the plant provides defense against microbial infections by inhibiting the growth of harmful pathogens. These medicinal benefits are largely driven by the plant's ability to neutralize oxidative stress in biological systems.
According to a study published by "Phytochemical analysis : PCA", Cirsium japonicum is indicated for the treatment of bleeding and inflammation. In samples of this species, the major flavonoid was pectolinarin, which ranged from 0.32 to 2.00%. Other flavonoids found in the plant included linarin, hispidulin-7-neohesperidoside, and luteolin. The total flavonoid content for Cirsium japonicum varied from 0.81 to 3.67%.
The main health conditions this plant is used for are shown in the list below.
- inflammation
- liver disorders
- microbial infections
- oxidative stress
- pain
What are the herbal preparations of this plant?
This plant is used to create medicinal herbal preparations such as Cirsium japonicum Extract to treat inflammatory conditions and support liver health. These preparations are often processed through various extraction methods to concentrate the active bioactive compounds found in the plant's tissues. Once prepared, the extract may be administered in oral forms like powders, capsules, or liquid tinctures for therapeutic use. Researchers study these preparations to understand how they interact with metabolic processes in the body. This specific herbal remedy remains a significant subject of interest in both traditional medicine and modern pharmacological studies.
According to a study published by "International journal of molecular sciences", Cirsium japonicum is a medicinal plant used for its beneficial properties. High-performance liquid chromatography with mass spectrometry was used to examine the extracts, which identified a total of six peaks of polyphenol compounds. These bioactive compounds were analyzed for their ability to target cyclooxygenase-2 (COX2) and DPPH. In vitro analysis of the Cirsium japonicum extract was conducted in macrophage cells after inducing inflammation with lipopolysaccharide (LPS). This process downregulated the expression of 2 critical pro-inflammatory cytokines, specifically COX2 and inducible nitric oxide synthase (iNOS). These results confirm the potential antioxidant and anti-inflammatory effects of the Cirsium japonicum extract.
The main herbal preparations of this plant are shown in the list below.
- Cirsium japonicum Extract
What side effects this plant can have?
This plant can cause adverse health effects such as increased bleeding and localized inflammation in certain individuals. Consuming parts of Cirsium japonicum may interfere with normal blood clotting processes, which poses a risk to those with existing coagulation disorders. Some users have also reported swelling or irritation at the site of contact or ingestion. These physiological reactions highlight the need for caution when using the plant for medicinal purposes. Monitoring for these specific symptoms is essential to ensure safety during any potential exposure.
According to a study published by "Phytochemical analysis : PCA", Cirsium japonicum is indicated in the Chinese Pharmacopoeia for the treatment of bleeding and inflammation. In samples of this plant, pectolinarin was identified as the major flavonoid with a concentration of 0.32-2.00%. The total flavonoid content of Cirsium japonicum was found to vary from 0.81 to 3.67%. Other identified flavonoids in the plant include linarin, hispidulin-7-neohesperidoside, and luteolin. The analytical method used to study these components featured a limit of detection of less than or equal to 1.7 ng on-column and repeatability of less than or equal to 2.3%. Accuracy for the method was confirmed through recovery rates of spiked samples between 99.2 and 101.6%.
The main side effects this plant can have are shown in the list below.
- bleeding
- inflammation
What herbs are paired with Cirsium japonicum?
This plant, known as Japanese thistle, is traditionally paired with medicinal herbs such as Rehmannia glutinosa and Astragalus membranaceus to enhance its therapeutic properties in decoctions.
When combined with Rehmannia, it helps to balance blood flow and nourish the yin within the body. Adding Astragalus can strengthen the protective energy to support the immune system during treatment. These combinations are often carefully measured to ensure the bitter profile of the thistle is mitigated by more mellow herbs.
Practitioners select these specific pairings to target various systemic imbalances according to traditional herbal principles.