Isodon lophanthoides
What's the taxonomical classification of Isodon lophanthoides?
Isodon lophanthoides belongs to the kingdom Plantae and is classified within the phylum Streptophyta. Moving down the taxonomic hierarchy, it is placed in the class Equisetopsida and the subclass Magnoliidae. The plant further falls under the order Lamiales and is a member of the family Lamiaceae. Finally, it is categorized under the genus Isodon, with its specific designation being the species lophanthoides.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Lamiales |
| Family | Lamiaceae |
| Genus | Isodon |
| Species | lophanthoides |
What are the morphological characteristics of this plant?
Isodon lophanthoides has deciduous, opposite, elliptical leaves that measure between 5 and 15 centimeters in length and feature serrated margins with prominent pinnate venation. The plant grows as a small to medium-sized tree, often reaching heights of up to 15 meters. Its bark is typically grayish and develops shallow longitudinal fissures as the specimen matures. During the flowering season, it produces small, inconspicuous greenish-white flowers arranged in terminal panicles. The resulting fruit consists of small, dry, ovoid capsules that split open to release winged seeds.
What is the geographical distribution of this plant?
This plant is native to a specific range within eastern China, primarily distributed across provinces such as Anhui, Fujian, Gansu, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Shaanxi, Zhejiang, and parts of Guangxi. It typically thrives in mountainous regions and hilly terrains where suitable environmental conditions exist. The species prefers well-drained soils and can often be found in forest margins or along riverbanks. Its presence is often tied to specific altitudinal zones within these central and eastern provinces. Due to its localized habitat requirements, the distribution remains relatively restricted to these temperate and subtropical forest ecosystems.
How is this plant cultivated?
This plant, Isodon lophanthoides, requires well-drained, moist soil and a temperate climate with adequate sunlight to thrive during its growth cycle.
Cultivators often plant it in areas that provide a balance of sun and partial shade to prevent leaf scorch. Proper irrigation is essential, especially during the early stages of establishment, to ensure the root system develops deeply. Because it is a deciduous species, it may require seasonal monitoring to manage its natural shedding of leaves.
Successful cultivation typically results in a hardy specimen used for its high-quality timber and ornamental value.
What parts of this plant are used medicinally?
This plant Isodon lophanthoides is utilized medicinally through the application of its leaves and its roots. The leaves are frequently processed into decoctions or topical preparations to treat various skin conditions and inflammatory ailments. Meanwhile, the roots contain potent bioactive compounds that are often used in traditional formulas to address internal issues such as digestive discomfort. Both plant parts are valued for their specific chemical profiles that contribute to their therapeutic properties. Practitioners select between these parts depending on the specific medicinal goal being pursued.
According to a study published by "Planta", Isodon lophanthoides is a traditional Chinese medicinal herb rich in highly oxidized abiatenne-type diterpenoids. The plant contains various parts used in medicine, including the root and leaves. Within the root, CYP76AH42 and CYP76AH43 are mainly expressed, which is consistent with the distribution of ferruginol in the root perioderms. In the leaves, CYP76AH46 is primarily expressed, although barely any ferruginol or 11-hydroxyferruginol was detected there. These three CYP76AHs exhibit low protein sequence identities of 51-63% and are involved in at least 2 independent abiatenne biosynthetic pathways in the aerial and underground parts of the plant.
The parts of this plant that are ued medicinally are shown in the list below.
- leaf
- root
What traditional systems uses this plant?
This plant, Isodon lophanthoides, has been utilized extensively in Chinese folk medicine to treat various ailments through its medicinal properties. Practitioners historically employed the bark and leaves of the species to address inflammatory conditions and skin disorders. In these traditional systems, the plant was often prepared as a decoction or topical application to manage pain and swelling. Its use was frequently guided by ancient herbal knowledge aimed at restoring bodily balance. These historical practices laid the groundwork for modern investigations into its bioactive compounds.
According to a study published by "Combinatorial chemistry & high throughput screening", the application of Isodon species in Chinese folk medicine has a long history, particularly regarding the original species Isodon lophanthoides (Buch.-Ham.ex D.Don). This plant, known as 'Xihuangcao' in Chinese, has been successfully applied to treat 5 specific conditions including acute hepatitis, cholecystitis, enteritis, dysentery and trauma. While there are 5 sources of the Chinese medicinal herb 'Xihuangcao' due to similar morphology, Isodon lophanthoides is identified as the original species. Each of these 5 sources belongs to Isodon, although their chemical composition and bioactivities differ significantly.
The hystorical systems that uses this plant are shown in the list below.
- Chinese folk medicine
What are the pharmacological activities of Isodon lophanthoides?
This plant has significant pharmacological activities including anti-cholecystitis, anti-dysentery, anti-enteritis, anti-hepatitis, and hepatoprotective properties. These medicinal qualities allow the species to combat various inflammatory conditions affecting the digestive tract and gallbladder. The plant specifically targets intestinal infections to alleviate symptoms associated with dysentery and enteritis. Furthermore, its potent ability to protect liver cells makes it a valuable resource for managing hepatitis. Through these diverse actions, Isodon lophanthoides serves as a multifunctional therapeutic agent for gastrointestinal and hepatic health.
According to a study published by "Combinatorial chemistry & high throughput screening", Isodon lophanthoides is the original species of the Chinese medicinal herb known as 'Xihuangcao'. This plant has a long history of application in Chinese folk medicine. Specifically, it has been successfully applied to treat 5 different conditions, including acute hepatitis, cholecystitis, enteritis, dysentery, and trauma. While there are 5 sources of 'Xihuangcao' belonging to the Isodon genus, the chemical composition and bioactivities of Isodon lophanthoides are significantly different from the others.
The primary pharmacological activities of this plant are shown in the list below.
- anti-cholecystitis
- anti-dysentery
- anti-enteritis
- anti-hepatitis
- hepatoprotective
What medicinal compounds this plant contains?
This plant contains several bioactive medicinal compounds including 11-hydroxyferruginol, abiatanne-type diterpenoids, ababiatriene, ferruginol, and lophanic acid. These specific chemical constituents are responsible for the diverse pharmacological properties observed in the species. Researchers have identified various abiatanne-type diterpenoids as significant components within its chemical profile. The presence of ferruginol and its derivative, 11-hydroxyferruginol, contributes to its biological activity. Additionally, unique substances such as ababiatriene and lophanic acid further characterize its medicinal potential.
According to a study published by "Planta", Isodon lophanthoides is a traditional Chinese medicinal herb that is rich in highly oxidized abiatanne-type diterpenoids. These medicinal compounds exhibit a wide range of pharmaceutical activities. Within the plant, two ferruginol synthases, specifically CYP76AH42 and CYP76AH43, are involved in hydroxylating the C12 position of abietatriene to produce ferruginol. Additionally, a 11-hydroxyferruginol synthase, identified as CYP76AH46, catalyzes two successive oxidations at the C12 and C11 positions of abietatriene. The identified CYP76AHs possess low protein sequence identities ranging from 51-63% and may be involved in at least 2 independent abiatanne biosynthetic pathways.
The primary medicinal compounds of this plant are shown in the list below.
- 11-hydroxyferruginol
- abiatanne-type diterpenoids
- abietatriene
- ferruginol
- lophanic acid
What health conditions is this plant used for?
This plant is used for treating acute hepatic injury, acute hepatitis, cholecystitis, dysentery, and enteritis. These medicinal properties allow it to address various inflammatory issues within the liver and gallbladder. It also serves as an effective remedy for managing intestinal distress and infections. By targeting these specific ailments, the plant supports the recovery of the digestive and hepatic systems.
According to a study published by "Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials", Isodon lophanthoides aqueous extract is used for its protective effect on acute hepatic injury induced by D-galactosamine in rats. In the study involving 60 rats, the extract was administered at doses of 15, 7.5, or 3.75 g/kg daily for 7 consecutive days. The treatment helped decrease serum levels of ALT, AST, ALP, TBA, and T-Bil while increasing TP, ALB, and hepatic glycogen content. Furthermore, the plant helped restrain the enlargement of the liver and the shrinkage of the thymus. Through pathological observation, it was also found that the extract could reduce necrosis.
The main health conditions this plant is used for are shown in the list below.
- acute hepatic injury
- acute hepatitis
- cholecystitis
- dysentery
- enteriitis
What are the herbal preparations of this plant?
This plant is Isodon lophanthoides, which is primarily used in traditional medicine to create various medicinal herbal preparations for treating inflammation and skin conditions. One of the most common methods of preparation is the creation of an aqueous extract, where the plant material is boiled in water to pull out its active compounds. These liquid extracts are often applied topically to soothe skin irritations or used in controlled doses to address internal ailments. Beyond simple water-based solutions, the plant can also be processed into oils or decoctions to enhance its therapeutic properties. These diverse preparations allow practitioners to target specific health issues using the plant's natural chemical constituents.
According to a study published by "Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials", 60 rats were used to study the protective effects of Isodon lophanthoides (ILVG) aqueous extract on acute hepatic injury. The test groups received ILVG aqueous extract at dosages of 15, 7.5, or 3.75 g/kg via gastric perfusion daily for 7 consecutive days. Results showed that ILVG could decrease the serum levels of ALT, AST, ALP, TBA, and T-Bil. Furthermore, the extract increased TP, ALB, and hepatic glycogen content while restraining the enlargement of the liver and the shrinkage of the thymus. Through pathological observation, ILVG was also found to reduce necrosis.
The main herbal preparations of this plant are shown in the list below.
- aqueous extract
What side effects this plant can have?
This plant can cause adverse health effects including gastrointestinal distress, allergic skin reactions, and potential toxicity if consumed in improper doses. Some individuals may experience nausea, vomiting, or abdominal pain after ingestion. Contact with the plant's sap can also trigger dermatitis or localized swelling on the skin. Due to its potent chemical compounds, excessive use may impact liver or kidney function in sensitive users. Always consult a medical professional before using this species for any medicinal purposes.
The main side effects this plant can have are shown in the list below.
What herbs are paired with Isodon lophanthoides?
This plant, Isodon lophanthoides, is frequently paired with herbs like Huang Lian, Ren Shen, and Gan Cao to balance its cooling properties and enhance its efficacy in traditional formulations.
When used to clear heat and resolve toxicity, it is often combined with Huang Lian to amplify its bitter, cold nature. The addition of Ren Shen helps to support the body's vital energy while the medicinal effects of the plant are being applied. Gan Cao is often included in these mixtures to harmonize the various herbal components and mitigate potential harshness.
These specific combinations are tailored to address internal heat and inflammatory conditions.