Schleichera oleosa
What's the taxonomical classification of Schleichera oleosa?
Schleichera oleosa belongs to the kingdom Plantae and is classified under the phylum Streptophyta. Within the class Equisetopsida, it is situated in the subclass Magnoliidae and falls under the order Sapindales. The plant is a member of the family Sapindaceae, which contains the genus Schleichera, and it is specifically identified by its species name, oleosa.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Sapindales |
| Family | Sapindaceae |
| Genus | Schleichera |
| Species | oleosa |
What are the morphological characteristics of this plant?
Schleichera oleosa has pinnately compound leaves that typically consist of 7 to 15 leaflets arranged along a central axis. These leaflets are oblong to lanceolate in shape and possess an entire margin with an acute or acuminate apex. The tree exhibits a spreading crown with branches that often feature a rough, fissured bark as the specimen matures. Small, inconspicuous flowers emerge in axillary panicles, eventually giving way to fleshy, drupaceous fruits. The overall structure of the plant is characterized by its dense, dark green foliage and a robust woody trunk.
What is the geographical distribution of this plant?
This plant is native to the tropical and subtropical regions of South and Southeast Asia, specifically spanning across India, Myanmar, Thailand, and parts of Indochina. It thrives primarily in seasonally dry deciduous forests and open woodlands where it can access adequate sunlight. The species is frequently found in hilly terrains and along river valleys within its native range. Local populations are often concentrated in areas that experience distinct monsoon patterns to support its growth cycle. This distribution allows the plant to occupy diverse ecological niches throughout the warmer parts of the continent.
How is this plant cultivated?
This plant requires well-drained, sandy or loamy soils and full sunlight to thrive in tropical or subtropical climates.
It is a hardy species that can withstand moderate drought once its deep root system is established. Regular watering is necessary during the early stages of growth to ensure successful establishment in new environments. Once mature, the tree is relatively low-maintenance and can tolerate a variety of soil qualities.
Careful monitoring for pests and diseases helps maintain its health and fruit production.
What parts of this plant are used medicinally?
This plant Schleichera oleosa utilizes its bark, fruit, and stem parts for various medicinal applications. The bark is often harvested to treat skin conditions and is sometimes used in decoctions to manage internal ailments. The oily fruit serves as a source of fatty acids that can be applied topically to soothe inflammation or used in traditional dietary remedies. Additionally, the stem provides materials that are processed for their specific chemical properties to address localized discomfort. These diverse components make the entire structure of the plant a valuable resource in traditional medicine.
According to a study published by "Frontiers in molecular biosciences", the bark of Schleichera oleosa was used to explore its phytochemical composition and antimalarial activity. The methanolic extract of the bark was analyzed using GC-MS and LC-MS to identify 175 phytoconstituents. This extract exhibited in-vitro antimalarial activity against Plasmodium falciparum with an average IC50 value of 0.780 μg/mL. While this value is higher than chloroquine at 0.020 μg/mL and quinine at 0.268 μg/mL, the bark showed significant efficacy. Two novel lead compounds from the bark, scillarenin and 4-[(Z)-(6-hydroxy-3-oxo-1-benzofuran-2(3H)-ylidene) methyl] phenyl beta-D-glucopyranoside, exhibited the highest docking scores against malaria targets 1CEQ and 4ZL4.
The parts of this plant that are ued medicinally are shown in the list below.
- bark
- fruit
- stem
What traditional systems uses this plant?
This plant, known as Schleichera oleosa or Laksha, is utilized in the Ayurvedic medicinal system to treat various inflammatory conditions and skin ailments. Its resinous exudate is highly valued in traditional Indian medicine for its cooling properties and its ability to promote wound healing. Beyond its medicinal applications, the plant's wood and resins have historically been used as natural dyes and incense in spiritual ceremonies. The seeds are also traditionally processed to extract oils used for topical applications and nutritional purposes. These diverse uses reflect the plant's significant role in ancient Southeast Asian and Indian ethnobotanical practices.
According to a study published by "Chemistry & biodiversity", Schleichera oleosa is known as Koshamra in Ayurveda and has long been used for treating pain, inflammation, ulcers, and rheumatic conditions. Researchers evaluated the methanol extract and its fractions, including n-hexane (SOH), ethyl acetate (SOE), n-butanol (SOB), and aqueous residue (SOA). The n-hexane fraction was tested in Complete Freund's Adjuvant (CFA)-induced arthritic rats at doses of 200 and 400 mg/kg. At a dose of 400 mg/kg, the SOH fraction significantly reduced arthritic symptoms and lowered levels of pro-inflammatory cytokines such as TNF-α, IL-1β, and IL-6. These findings suggest that the n-hexane fraction of the Schleichera oleosa bark possesses promising anti-arthritic activity.
The hystorical systems that uses this plant are shown in the list below.
- Ayurveda
What are the pharmacological activities of Schleichera oleosa?
This plant has demonstrated diverse pharmacological activities including analgesic, anti-inflammatory, antimicrobial, antioxidant, and anti-ulcer properties. The presence of bioactive compounds allows it to effectively reduce pain and mitigate swelling in biological systems. Its strong antioxidant capacity helps neutralize harmful free radicals, protecting cells from oxidative stress. Furthermore, the plant exhibits significant antimicrobial activity by inhibiting the growth of various pathogenic microorganisms. Finally, its anti-ulcer effects provide a potential natural mechanism for protecting the gastrointestinal lining from damage.
According to a study published by "Chemistry & biodiversity", Schleichera oleosa bark extract has been used for treating pain, inflammation, ulcers, and rheumatic conditions. The methanol extract and its fractions, including n-hexane (SOH), ethyl acetate (SOE), n-butanol (SOB), and aqueous residue (SOA), were evaluated for cell viability, inhibition of nitric oxide production, and prevention of protein denaturation. The SOH fraction, which contains lupeol, lupeol acetate, betulinic acid, and β-sitosterol, showed the strongest in vitro activity. In vivo testing on CFA-induced arthritic rats used doses of 200 and 400 mg/kg. At a dose of 400 mg/kg, SOH significantly reduced arthritic symptoms and lowered levels of pro-inflammatory cytokines such as TNF-α, IL-1β, and IL-6.
The primary pharmacological activities of this plant are shown in the list below.
- analgesic
- anti-inflammatory
- anti-ulcer
- antimicrobial activity
- antioxidant
What medicinal compounds this plant contains?
This plant contains the medicinal compounds schleicheols 1 and 2, schleicherastas-tins 1-7, scillarenin, betulinic acid, and lupeol. These specific phytochemicals contribute to the diverse pharmacological profile observed in the species. The presence of triterpenoids like lupeol and betulinic acid often provides significant biological activities such as anti-inflammatory or antimicrobial properties. Additionally, the unique schleicherols and schleicherastas-tins represent specialized metabolites found within its chemical structure. Scillarenin further adds to the complex array of bioactive molecules available for therapeutic study.
According to a study published by "Journal of natural products", an extract from the bark and stem of the Sri Lankan tree Schleichera oleosa led to the isolation of seven cancer cell growth inhibitory hydroxylated sterols designated schleicherastaatins 1-7. The process also yielded two related sterols identified as schleicheols 1 and 2. The structure of schleicherastatin 1 was completely elucidated using X-ray crystal structure determination. The remaining new sterol structures were deduced through highfield 300 and 500 MHz NMR and MS interpretations. In this new series of sterols, hydroxylation at C-22 appears to be important for promoting cancer cell growth inhibition.
The primary medicinal compounds of this plant are shown in the list below.
- schleicheols 1 and 2
- schlpeicherasta-tins 1-7
- scillarenin
- lupeol
- betulinic acid
What health conditions is this plant used for?
This plant is used for treating arthritis, inflammation, malarial fevers, pain, and various rheumatic conditions. The medicinal properties of its bark and leaves are often applied to reduce swelling in affected joints. It serves as a natural remedy to alleviate the intense pain associated with chronic aches. Local healers also utilize its components to combat the symptoms of malarial infections. These versatile applications make it a vital resource for managing systemic inflammation and rheumatic discomfort.
According to a study published by "Chemistry & biodiversity", Schleichera oleosa has long been used for treating pain, inflammation, ulcers, and rheumatic conditions. The study investigated the anti-arthritic potential of the bark, specifically testing the n-hexane fraction at doses of 200 and 400 mg/kg in Complete Freund's Adjuvant (CFA)-induced arthritic rats. Results showed that the 400 mg/kg dose significantly reduced arthritic symptoms and restored normal joint architecture. The treatment also worked to lower levels of pro-inflammatory cytokines, including TNF-α, IL-1β, and IL-6. Network pharmacology analysis further supported the possible molecular mechanisms of the plant in treating rheumatoid arthritis.
The main health conditions this plant is used for are shown in the list below.
- arthritis
- inflammation
- malarial
- pain
- rheumatic conditions
What are the herbal preparations of this plant?
This plant is Schleichera oleosa, and its medicinal preparations include methanolic extract, aqueous residue, and ethyl acetate fraction. Researchers utilize these specific chemical fractions to isolate bioactive compounds responsible for the plant's therapeutic properties. The methanolic extract serves as a primary source for studying a broad range of phytochemical constituents. Further processing yields the aqueous residue and the ethyl acetate fraction, which allow for the targeted investigation of polar and non-polar substances. These distinct preparations are essential for evaluating the pharmacological potential of the species in various medicinal applications.
According to a study published by "Chemistry & biodiversity", Schleichera oleosa was one of 18 medicinal plants screened for anti-inflamatory potential. The study evaluated methanolic extracts and solvent-partitioned fractions for their ability to inhibit nitric oxide, pro-inflamatory cytokines such as IL-1β, IL-6, and TNF-α, NF-κB, and COX-2 in LPS-stimulated RAW 264.7 murine macrophages. Schleichera oleosa exhibited significant anti-inflamatory activity in a carrageenan-induced rat paw edema model when compared to indomethacin. The bioactive extract of this plant contained the marker compound quercitrin at a concentration of 1.06% w/w. This specific phytoconstituent has been reported to modulate inflammatory pathways, including NF-κB and MAPK signaling.
The main herbal preparations of this plant are shown in the list below.
- Methanolic extract
- aqueous residue
- ethyl acetate fraction
What side effects this plant can have?
This plant can cause skin irritation, allergic reactions, and gastrointestinal distress when handled or consumed improperly. The oils and resins found within the bark and fruit may trigger contact dermatitis in sensitive individuals. If ingested in large quantities, the components can lead to stomach upset or nausea. It is important to exercise caution when using extracts from this species to avoid these adverse physiological responses. Proper identification and controlled use are necessary to mitigate any potential health risks.
The main side effects this plant can have are shown in the list below.
What herbs are paired with Schleichera oleosa?
This plant Schleichera oleosa pairs effectively with aromatic herbs such as rosemary, thyme, and sage to enhance its subtle, nutty flavor profiles.
When used in culinary applications, the fatty oils from its seeds act as a carrier for these more pungent seasonings. Combining it with woody herbs helps balance the richness of the plant's natural oils. These specific pairings are often utilized in traditional medicinal preparations to create synergistic effects.
Such combinations are common in regional cooking styles where the plant is native.