Leucas aspera
What's the taxonomical classification of Leucas aspera?
Leucas aspera belongs to the kingdom Plantae and is categorized under the phylum Streptophyta. Within the evolutionary hierarchy, it is classified under the class Equisetopsida and the subclass Magnoliidae. Moving further down the taxonomic ranks, it falls under the order Lamiales and the family Lamiaceae. Finally, the plant is identified by its specific genus, Leucas, and its species designation, aspera.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Lamiales |
| Family | Lamiaceae |
| Genus | Leucas |
| Species | aspera |
What are the morphological characteristics of this plant?
Leucas aspera has an erect or ascending herbaceous habit characterized by slender, branched stems that are often covered in fine, spreading hairs. The leaves are typically trifoliate with small, ovate leaflets that possess serrated margins and a slightly rough texture. Its inflorescence consists of small, pea-like flowers that are usually white or pale pink in color. These flowers are borne in axillary clusters and feature a standard petal, wings, and a keel typical of the Fabaceae family. The plant also produces small, compressed pods that contain several tiny seeds.
What is the geographical distribution of this plant?
This plant is native to the tropical and subtropical regions of South Asia, specifically spanning across India, Pakistan, Sri Lanka, and parts of Southeast Asia. It thrives in diverse habitats ranging from open grasslands and scrublands to the edges of forested areas. The species is often found in disturbed soils and along roadsides where sunlight is abundant. Its range extends through various climatic zones, allowing it to colonize many different ecological niches within the subcontinent. Local environmental conditions significantly influence the density and occurrence of these populations across its distribution.
How is this plant cultivated?
This plant Leucas aspera grows best in well-drained, loamy soil under full sun to partial shade conditions with moderate moisture levels.
It is a hardy perennial that thrives in tropical and subtropical climates where temperatures remain warm throughout the year. To ensure healthy growth, provide regular watering during dry spells but avoid waterlogged soil to prevent root rot. The plant is relatively low-maintenance and can tolerate various soil types as long as drainage is adequate.
Periodic pruning can help maintain its shape and encourage more vigorous foliage development.
What parts of this plant are used medicinally?
This plant Leucas aspera is utilized medicinally through its aerial parts, including the flowers, leaves, roots, and seeds. The leaves are frequently employed in traditional remedies to treat skin inflammations and digestive issues. Extracts from the flowers are sometimes used for their soothing properties in topical applications. The roots are processed to address specific ailments related to internal swelling or discomfort. Additionally, the seeds are utilized in certain folk medicine practices to manage various physiological conditions.
According to a study published by "Pharmaceuctical biology", the aerial parts of Leucas aspera Linn. are used for healing purposes traditionally in the treatment of psoriasis and various other disorders. The ethanol extract of L. aspera (LAEE) was investigated for in vitro antipsoriatic activity using HaCaT cells. Test samples were prepared in concentrations of 25, 50, 100, 200, and 400 µg/ml and incubated for 24 h before the MTT assay. The ethanol extract of L. aspera was found to exhibit significant activity with an IC50 value of 55.36 µg/ml. The results suggested that its antipsoriatic activity was mediated by an antioxidant mechanism involving the inhibition of NO production and lipid peroxidation.
The parts of this plant that are ued medicinally are shown in the list below.
- aerial parts
- flower
- leaf
- root
- seed
What traditional systems uses this plant?
This plant Leucas aspera is utilized in traditional Siddha medicine to treat various ailments such as skin diseases, inflammation, and digestive disorders. Practitioners frequently prepare decoctions or pastes from the leaves and roots to manage wound healing and topical infections. In many regional folk medicine traditions, the plant serves as a natural remedy for reducing swelling and managing fever. The medicinal properties are often extracted through aqueous preparations to ensure bioavailability in herbal formulations. These historical applications highlight the plant's long-standing importance in ancient South Asian therapeutic practices.
According to a study published by "Pharmaceuticaal biology", the whole plant of Leucas aspera is traditionally used in Siddha medicine for hepatic ailments. The aqueous extract was evaluated at doses of 200 and 400 mg/kg to investigate its hepatoprotective and antioxidant activity. This extract contained a total phenolic content of 28.33 ± 0.19 gallic acid equivalents mg/g and a flavonoid content of 3.96 ± 0.57 rutin equivalent mg/g. When administered at 200 and 400 mg/kg, the treatment decreased hexobarbitone-induced sleeping time in mice by 56.67% and 71.30% respectively. Additionally, the use of Leucas aspera at 400 mg/kg attenuated hepatocellular necrosis in intoxicated rats.
The hystorical systems that uses this plant are shown in the list below.
- Siddha medicine
What are the pharmacological activities of Leucas aspera?
This plant has demonstrated significant pharmacological activities including analgesia, anti-inflammatory, antibacterial, antimicrobial, and antioxidant properties. Scientific studies indicate that its extracts can effectively reduce pain and suppress inflammatory responses in biological systems. The plant also exhibits potent antibacterial and antimicrobial capabilities that help combat various pathogenic microorganisms. Furthermore, its high antioxidant capacity allows it to neutralize free radicals and mitigate oxidative stress. These diverse therapeutic attributes highlight the medicinal potential of Leucas aspera for various health applications.
According to a study published by "Archives of Razi Institute", Leucas aspera possesses antioxidant, insecticide, antipyretic, chronic rheumatism, and cytotoxic activity. The plant's hydroalcoholic extract showed antimicrobial activity with a MIC of 12.5 µg/ml and a MBC of 25 µg/ml, while the ethanolic extract demonstrated a MIC of 6.25 µg/ml and a MBC of 12.5 µg/ml. Regarding anti-inflammatoy assays, the hydroalcoholic extracts provided effective albumin denaturation at 183.8±31.6 µg/ml and heat induced hemolysis at 213.4±22.3 µg/ml. Additionally, the hydroalcoholic extracts showed considerable hypotonicity induced hemolysis at 277.8±29.9 µg/ml. All results were evaluated at a p ≤ 0.05 significance level.
The primary pharmacological activities of this plant are shown in the list below.
- analgesiia
- anti-inflammatory
- antibacterial
- antioxidant
- antimicrobial
What medicinal compounds this plant contains?
This plant contains various medicinal compounds including flavonoids, apigenin, apiagenin 7-O-[6"-O-(p-coumaroyl)-beta-D-glucoside], chrysoeriol, and machilin C. These specific phytochemicals contribute to the plant's diverse biological activities and therapeutic potential. The presence of flavonoids serves as a foundation for its antioxidant and anti-inflammatory properties. Among these, apiagenin and its glycoside derivative play significant roles in cellular signaling. Additionally, the compounds chrysoeriol and machilin C further enhance the chemical profile of the species.
According to a study published by "Chemical & pharmaceutical bulletin", Leucas aspera was tested for prostaglandin inhibitory and antioxidant activities, showing inhibition at 3 x 10(-4) g/ml against PGE(1)- and PGE(2)-induced contractions. The separation process provided eight lignans and four flavonoids, labeled LA-1 through LA-12. Among these, LA-8 was determined to be (-)chicanine, while chiral-HPLC analysis of LA-9 showed it was a mixture of two enantiomers, (7R, 8R)- and (7S, 8S)-licaarin A. PG inhibition was specifically observed in LA-1, LA-2, and LA-5, whereas antioxidant activity was found in LA-1 through LA-3 and LA-8 through LA-12. All of these components were first isolated from Leucas aspera.
The primary medicinal compounds of this plant are shown in the list below.
- apigenin
- apigenin 7-O-[6"-O-(p-coumaroyl)-beta-D-glucoside]
- chrysoeriol
- flavonoids
- phenols
What health conditions is this plant used for?
This plant is used for treating inflammation, reducing fever, and combating infections due to its potent medicinal properties. Its significant anti-inflammatory activity helps alleviate swelling and pain in various parts of the body. The plant also exhibits strong antimicrobial activity, which allows it to fight against harmful bacteria and pathogens. Additionally, its antioxidant activity protects cells from oxidative stress and damage. Finally, its antipyrretic activity makes it an effective traditional remedy for reducing high body temperatures.
According to a study published by "Archives of Razi Institute", Leucas aspera is used for antioxidant, insecticide, antipyretic, chronic rheumatism, and cytotoxic activity. It is traditionally used to treat common infections such as sore eyes and nose, fever, cough, skin eruptions, cold, wounds, and sore throat. The hydroalcoholic extract demonstrated antimicrobial activity with an MIC of 12.5 µg/ml and an MBC of 25 µg/ml, while the ethanolic extract showed an MIC of 6.25 µg/ml and an MBC of 12.5 µg/ml. Regarding anti-inflammarotory assays, the hydroalcoholic extracts showed albumin denaturation at 183.8±31.6 µg/ml, heat induced hemolysis at 213.4±22.3 µg/ml, and hypotonicity induced hemolysis at 277.8±29.9 µg/ml. These results were based on statistical interpretation using two-tailed tests at a p ≤ 0.05 significance level.
The main health conditions this plant is used for are shown in the list below.
- anti-inflammatory activity
- antimicrobial activity
- antioxidant activity
- antipyretic activity
- inflammation
What are the herbal preparations of this plant?
This plant is utilized to create various medicinal preparations including Leucas aspera extract, aqueous methanol extracts, ethyl acetate fraction, phytoextract, and powder. Researchers often process the plant into a fine powder for direct topical or oral application. The aqueous methanol extracts are frequently studied to isolate specific bioactive compounds for therapeutic use. Furthermore, the ethyl acetate fraction serves as a specialized method to concentrate certain chemical constituents. These diverse phytoextract forms allow for different concentrations of medicinal properties to be harnessed for health purposes.
According to a study published by "Journal of nanoscience and nanotechnology", Leucas Aspera extract (LAE) is used to synthesize gold nanoparticles (GNPs) and load the extract onto a PLA-PEG-PLA copolymer matrix via a water-in-oil (W/O) emulsion method. The resulting GNP-LAE loaded polymer nanoconjugates were tested for in vitro cytotoxicity on South African green monkey's kidney cells. These nanoconjugates exhibit a maximum cell viability of up to 95% when using a 100 μg concentration of GNPs in the sample. Furthermore, the GNP-LAE loaded polymer NPs show better anti-inflammatory activity when compared to the pure LAE.
The main herbal preparations of this plant are shown in the list below.
- Leucas aspera extract
- Aqueous methanol extracts
- Ethyl acetate fraction
- Phytoextract
- Powder
What side effects this plant can have?
This plant can cause various adverse health effects, including the relief or induction of toothache depending on how it is prepared and applied. While some traditional practices utilize its leaves to soothe dental pain, improper usage may lead to localized irritation of the gums. Some individuals might also experience skin reactions or digestive discomfort if the plant is ingested without proper processing. It is essential to approach its medicinal use with caution due to these potential complications. Careful study is required to ensure that any therapeutic attempt does not result in further physical harm.
According to a study published by "Journal of ethnopharmacology", Leucas aspera is one of 35 plants used to treat different types of oral ailments. This plant is specifically used for the treatment of tooth ache. The survey conducted in the Dharwad district of Karnaatka, India, identified 26 families of plants used for oral health care. Among these, 16 plants were new claims for the treatment of oral ailments not previously reported in the ethnomedicinai literature of India.
The main side effects this plant can have are shown in the list below.
- toothache
What herbs are paired with Leucas aspera?
This plant, Leucas aspera, pairs most effectively with aromatic herbs such as basil, mint, and lemongrass to balance its subtle earthy undertones.
When used in culinary preparations, its mild flavor profile serves as a complementary base for stronger herbs like rosemary or thyme. These combinations are often utilized in traditional herbal infusions to create complex medicinal teas. Adding citrusy elements like lemon balm can also enhance the natural brightness of the plant.
Such pairings help to elevate the overall sensory experience of the botanical mixture.