Aristolochia debilis
What's the taxonomical classification of Aristolochia debilis?
Aristolochia debilis belongs to the kingdom Plantae and is classified under the phylum Streptophyta. Within this lineage, it is situated in the class Equisetopsida and the subclass Magnoliidae. The plant's systematic progression continues through the order Piperales and into the family Aristolochiaceae. Finally, it is categorized under the genus Aristolochia, specifically identified as the species debilis.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Piperales |
| Family | Aristolochiaceae |
| Genus | Aristolochia |
| Species | debilis |
What are the morphological characteristics of this plant?
Aristolochia debilis has twining, herbaceous stems with opposite, ovate to lanceolate leaves that possess entire margins and acute apices. The foliage is typically soft and slightly pubescent, providing a lush texture to the climbing vine. Its reproductive structures consist of tubular, greenish-yellow flowers that emerge from the leaf axils. These specialized blooms feature a distinct perianth that curves to facilitate pollination by specific insect species. The plant's overall morphology is characterized by its ability to scramble over surrounding vegetation using its slender, flexible stems.
What is the geographical distribution of this plant?
This plant is native to the tropical and subtropical regions of South and Central America, specifically spanning from southern Mexico through much of the Caribbean and down to Brazil. It primarily thrives in moist, shaded forest environments where it can climb through dense vegetation. Within these habitats, its presence is often tied to specific microclimates that provide high humidity and stable temperatures. Localized populations can be found in various lowland rainforests and coastal thickets across its broad range. The distribution is characterized by its preference for the warm, wet corridors of the Neotropical realm.
How is this plant cultivated?
This plant Aristolochia debilis is cultivated in well-draining, humus-rich soil under dappled sunlight or partial shade to mimic its natural forest floor habitat.
Growers must maintain consistent moisture levels in the substrate to prevent the root system from drying out completely. Because it is a climbing woody vine, providing a trellis or support structure is essential for its vertical development. Regular applications of balanced organic fertilizer during the growing season help promote vigorous foliage and flowering.
Careful monitoring is required to protect the delicate stems from extreme temperature fluctuations or frost damage.
What parts of this plant are used medicinally?
This plant Aristolochia debilis is utilized medicinally through the use of its radix. This underground root portion serves as the primary part harvested for therapeutic applications. Practitioners often prepare decoctions or extracts from the root to treat various ailments. These medicinal preparations are traditionally used to address inflammatory conditions and certain skin disorders. Careful processing of the radix is essential to harness its specific chemical properties.
According to a study published by "Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica", Radix Aristolochiae Fangchi Extract (RAFE) was administered to rats at doses of 25.0 mg x kg(-1) x d(-1), 120.0 mg kg(-1) x d(-1), and 200.0 mg x kg(-1) x d(-1). These doses were administered via gastric tube for 22 w followed by 4 w of drug withdrawal. The study also included an aristolochic acid (AA) group at 10.0 mg x kg(-1) d(-1). Blood, urine, and kidney samples were collected at 17 w, 22 w, and 26 w to measure renal function indexes. Results showed that RAFE at all doses caused chronic renal tubulo-intersitium fibrosis after being administered for above 13 w.
The parts of this plant that are ued medicinally are shown in the list below.
- Radix
What traditional systems uses this plant?
This plant, known as Aristolochia debilis, has been utilized in Traditional Chinese Medicine for centuries to treat various ailments including inflammation, swelling, and respiratory issues. Practitioners historically prepared the plant as a decoction to address symptoms like coughs or skin conditions. It was often categorized within herbal formulas intended to clear heat and resolve toxicity in the body. Despite its long history of use, modern scientific research has identified its potent nephrotoxic and carcinogenic properties. These findings have led to significant warnings regarding its safety in contemporary herbal practices.
According to a study published by "Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica", Aristolochia debilis is the species identified as Aristolochiae Radix. Researchers extracted genomic DNA from 60 samples to identify the plant using ITS2 barcodes. After the alignment of all ITS2 sequence haplotypes, there were 162 variable sites found among 272 bp. The study found that the intra-specific genetic distances for the plant were smaller than the inter-specific ones. This research may provide a scientific foundation for the clinical safe use of traditional Chinese medicines.
The hystorical systems that uses this plant are shown in the list below.
- Traditional Chinese Medicine
What are the pharmacological activities of Aristolochia debilis?
This plant has anti-inflammatory, cancer chemopreventive, cytotoxic, and genotoxic pharmacological activities. Studies indicate that its chemical constituents can suppress inflammatory responses within biological systems. Certain compounds found in the species also demonstrate potential in preventing cancer progression through chemopreventive mechanisms. However, the plant also exhibits significant cytotoxicity, meaning it can kill or damage living cells. Research into its genotoxicity further reveals that some of its components may cause damage to genetic material.
According to a study published by "Journal of ethnopharmacology", Aristolochia debilis showed potent inhibition of COX-2 activity with more than 80% inhibition at the test concentration of 10 micro g/ml. The extract of Aristolochia debilis was also considered a potential inhibitor of iNOS activity. This iNOS inhibition was greater than 70% at the test concentration of 10 micro g/ml. These active extracts mediating COX-2 and iNOS inhibitory activities are warranted for further elucidation of active principles for development of new cancer chemopreventive and/or anti-inflammatroy agents.
The primary pharmacological activities of this plant are shown in the list below.
- anti-inflammatory
- cancer chemopreventive
- cytotoxicity
- genotoxicity
What medicinal compounds this plant contains?
This plant contains benzylisoquinoline alkaloids, aristolactaams, aristolochic A, and aristolochic acid A, which are all members of the broader category of aristolochic acids. These specific chemical constituents are secondary metabolites that play significant roles in the plant's biological profile. The aristolactaams represent a distinct class of alkaloids found within the species. Furthermore, the presence of aristolochic acids, including the specific forms known as aristolochic A and aristolochic acid A, is a defining characteristic of its chemical makeup. These various medicinal compounds collectively determine the complex pharmacological properties of Aristolochia debilis.
According to a study published by "Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica", the medicinal compound aristolochic acid A was determined in 11 samples of aristolochia debilis bought from different areas in China. The analysis used an HPLC method with a flow rate of 1.0 mL x min(-1), a UV detection wavelength of 390 nm, and a column temperature of 35 degrees C. This method showed a linear relationship between injection amounts and peak areas with r = 0.9999 over a range of 0.12-1.89 microg x g(-1). The recovery rate for the determination was 101.8% with n = 5. The contents of aristolochic acid A in the aristolochia debilis samples varied from 0.9 to 2 mg x g(-1).
The primary medicinal compounds of this plant are shown in the list below.
- aristolactaams
- aristolochic A
- aristolochic acid A
- aristolochic acids
- benzylisoquinoline alkaloids
What health conditions is this plant used for?
This plant is used for treating cancer and inflammation in traditional medicinal practices. Researchers have investigated its chemical constituents to understand how they might influence tumor growth and cellular processes. Some studies suggest that specific compounds within the plant may possess properties that reduce swelling and inflammatory responses in the body. However, the use of this species is often cautioned due to the presence of nephrotoxic and carcinogenic aristolochic acids. Therefore, while it has historical applications for these conditions, modern medical safety remains a significant concern.
According to a study published by "Journal of ethnopharmacology", Aristolochia debilis was evaluated among approximately 170 methanol extracts for its ability to inhibit prostaglandin E(2) production and nitric oxide formation. The extract of Aristolochia debilis showed potent inhibition of COX-2 activity with >80% inhibition at the test concentration of 10 micro g/ml. Additionally, the extract was considered a potential inhibitor of iNOS activity with >70% inhibition at the test concentration of 10 micro g/ml. These inhibitory activities suggest the plant could be used for the development of new anti-inflammatory and cancer chemopreventive agents.
The main health conditions this plant is used for are shown in the list below.
- cancer
- inflammation
What are the herbal preparations of this plant?
This plant is Aristolochia debilis, a species used in traditional medicine to produce various herbal preparations including Radix Aristolochiae Fangchi Extract. These medicinal extracts are often utilized in specific traditional formulas to address inflammatory conditions or certain types of pain. Practitioners may process the roots into different forms such as decoctions or concentrated tinctures depending on the intended therapeutic application. While these preparations have a history of use in regional herbalism, they are subject to significant scrutiny due to the potential presence of nephrotoxic compounds. Therefore, the preparation and administration of these extracts require careful consideration of their chemical composition.
According to a study published by "Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica", chronic renal interstitial fibrosis was induced in rats by administering Radix Aristolochiae Fangchi extract (RAFE) and aristolichic acid (AA) through stomach infusion for approximately 22 weeks discontinuously. In the RAFE and AA groups, the expression of CK on renal tubular cells declined compared to the control group. Observations showed enhanced expression of alpha-SMA and Vimentin on the tubular cells within these groups. Additionally, the expression of TGF-beta1 on renal tubular cells increased strongly. These findings indicate that part of the renal tubular cells transdifferentiated into myofibroblasts.
The main herbal preparations of this plant are shown in the list below.
- Radix Aristolochiae Fangchi Extract
What side effects this plant can have?
This plant can cause severe health issues including carcinogenicity, chronic renal interstitial fibrosis, genotoxicity, hepatic cell damage, and nephrotoxicity. The presence of aristolochic acid within the plant triggers significant genotoxicity by forming DNA adducts that lead to mutations. These mutations contribute to its known carcinogenicity, often manifesting as upper urinary tract cancers. Furthermore, the plant exhibits profound nephrotoxicity that results in the progressive development of chronic renal interstitial fibrosis. Beyond the kidneys, individuals may also experience direct hepatic cell damage during consumption.
According to a study published by "Toxins", Aristolochia debilis Sieb.etZucc contains 41 aristolochic acids, which include 23 aristolochic acids and 18 aristolactams. These plants belong to a genus that may cause irreversible hepatotoxicity, nephrotoxicity, genotoxicity, and carcinogenicity. In the Comet assay, extracts of Aristolochia debilis at concentrations ranging from 10 to 131 μM caused relatively lower damage to cellular DNA, with TDNA values between 5-20%. Additionally, 19 aristolochic acids identified in the plant had statistical significance for distinguishing it from other medicinal herbs of different origins.
The main side effects this plant can have are shown in the list below.
- carcinogenicity
- chronic renal interstitial fibrosis
- genotoxicity
- hepatic cell damage
- nephrotoxicity
What herbs are paired with Aristolochia debilis?
This plant Aristolochia debilis is traditionally paired with herbs such as Zingiber officinale, Curcuma longa, and various species of Piper to enhance its pharmacological properties.
These combinations are often utilized in traditional medicine to balance the plant's potent effects on the digestive and respiratory systems. Ginger is frequently included to mitigate potential gastric irritation while promoting warmth in the body. Turmeric is sometimes added to provide synergistic anti-inflammatory benefits during decoction processes.
Practitioners select these specific companions to refine the overall therapeutic profile of the herbal formula.