Smilax china
Smilax china · Accepted scientific name
Scientific literature: Very Sparse (1 studies) · ★☆☆☆☆
Smilax china is a versatile plant species whose therapeutic potential is primarily derived from its rhizome, root, and stem components. Research into various preparations, including 95% ethanol extracts and chloroform fractions, has revealed a rich profile of bioactive chemicals such as diosgenin, beta-sitosterol, and baicalin. These compounds exhibit significant biological activities, acting as 5-alpha-reductase inhibitors, 5-HT inhibitors, and aldehyde oxidase inhibitors. Studies have highlighted the plant's impact on physiological conditions like hyperlipidemia and various cancers, often involving interactions with catalase and glutathione peroxidase. Consequently, Smilax china remains a subject of intense pharmacological interest due to its complex chemical makeup and diverse medicinal applications.
- Synonyms
- Not available
- Common names
- Not available
- Family
- Smilacaceae
- Distribution
- Southern America
- Plant Parts
- Rhizome · Root
Classification
Common Names
Smilax china is a versatile plant known by several distinct names across different regions and languages. It is most frequently referred to by its common English names, Chinese smilax and chinawurzel. In various contexts, you may also encounter it labeled as chinaroot or the phonetic variation kinarot. Furthermore, the species is recognized in French-speaking areas as racine de Chine. Regardless of the terminology used, these names all point to the same unique botanical species.
Sources: Catalogue of Life (COL)
Taxonomy
Smilax china belongs to the vast kingdom Plantae, marking its place among the diverse world of green life. Within this kingdom, it is classified under the class Equisetopsida, representing a significant branch of vascular plants. The species is further organized into the order Liliales, which helps scientists understand its evolutionary connections. It sits within the specific family Smilacaceae, a group defined by shared botanical characteristics. Finally, it is identified by its genus, Smilax, which serves as its primary taxonomic designation.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Liliales |
| Family | Smilacaceae |
| Genus | Smilax |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Smilax china is a plant widely distributed across the temperate regions of Asia. Within China, its presence is extensive, spanning from the north-central provinces to the south-central and southeast territories. The species also flourishes in the Manchuria region, demonstrating significant adaptability to varying climates. Beyond mainland China, its range extends eastward to include the islands of Japan. This broad geographic footprint highlights the plant's importance within the diverse ecosystems of Eastern Asia.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Smilax china is a distinctive shrub characterized by its obligatory climbing habit. This vigorous plant utilizes its structure to ascend toward the sunlight, reaching impressive proportions. Depending on its environment, the height of the specimen typically ranges from a minimum of 1 meter to a maximum of 5 meters. In many established landscapes, it is common to see these climbers consistently maintain a height of at least 3 meters. Such versatile growth patterns allow this species to integrate seamlessly into various climbing ecosystems.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Smilax china contains specialized phenylpropanoid glycosides that exhibit significant biological activity. During the bioassay-guided fractionation of its stem extracts, researchers successfully isolated nine distinct phenylpropanoids. Among these findings, six previously unknown compounds named smilasides A-F were identified through detailed structural elucidation. These newly discovered isolates were subsequently evaluated for their potential impact on various human tumor cell lines. Ultimately, the study highlights the cytotoxic properties inherent within the chemical profile of this plant.
Compounds
Smilax china is a medicinal plant recognized for its diverse and valuable chemical profile. Research indicates that the rhizomes of this species contain several important bioactive compounds, including beta-sitosterol and daucosterol. Furthermore, the plant serves as a significant source of diosgenin, a steroidal sapogenin used extensively in the pharmaceutical industry. Analytical studies have also identified the presence of engeletin within its chemical constituents. Additionally, the content of major medical components like baicalin in the plant can be influenced by various climatic factors such as humidity and temperature.
Conditions
Smilax china demonstrates significant therapeutic potential by inhibiting the enzymes Acetylcholinesterase (AChE) and Butyrylcholinesterase (BChE). The plant also exhibits robust DPPH free radical scavenging activity, which contributes to its antioxidant properties. Due to the abundance of diosgenin within the species, it shows promise in the treatment of Alzheimer's disease. Furthermore, its pharmacological activities extend to the management of Parkinson's disease. These combined enzymatic and antioxidant effects highlight the medicinal value of the plant for neurological health.
Preparations
Smilax china is prepared as a 95% ethanol extract to facilitate the isolation of specific chemical constituents like dihydrokaempferol-5-O-beta-D-glucoside. The plant is also prepared as an ethanol extract for bioassay-guided fractionation to identify various cytotoxic phenylpropanoids. To assess different biological activities, Smilax china is prepared as a benzene fraction and a chloroform fraction through the fractionation of its methanolic extract. Furthermore, Smilax china is prepared as cryotomed transverse sections to allow for microscopic differentiation and authentication among related medicinal species. These diverse preparation methods enable researchers to study the plant's chemical, enzymatic, and structural properties.
Parts used
Smilax china is a medicinal plant that contains several valuable components derived from its different anatomical structures. Research into the chemical constituents of the plant has successfully isolated various compounds from its rhizome, including dihydrokaempferol-5-O-beta-D-glucoside. Furthermore, the root of the species has been identified as a source of significant antioxidant activity and antimicrobial properties. The stems of the plant are also of great interest, as they yield unique cytotoxic phenylpropanoid glycosides. Together, these different parts of Smilax china contribute to its diverse pharmacological potential.