Smilax china
What's the taxonomical classification of Smilax china?
Smilax china belongs to the kingdom Plantae and is classified under the phylum Streptophyta. Within the taxonomic hierarchy, it is placed in the class Equisetopsida and the subclass Magnoliidae, falling under the order Liliales. This plant is a member of the family Smilacaceae, which contains the genus Smilax, and is specifically identified by the species name china.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Liliales |
| Family | Smilacaceae |
| Genus | Smilax |
| Species | china |
What are the morphological characteristics of this plant?
Smilax china has woody climbing stems equipped with axillary thorns and leaves that are typically ovate or lanceolate with entire or slightly wavy margins. The plant produces small, greenish-white flowers that emerge from the leaf axils in small clusters. Following pollination, it develops small, fleshy berries that transition from green to red or black as they mature. Its root system consists of thick, tuberous rhizomes that help the vine anchor itself and store nutrients. The overall structure allows the plant to scramble over other vegetation using its specialized climbing mechanisms.
What is the geographical distribution of this plant?
This plant is native to a wide geographical range spanning across East Asia, specifically including China, Japan, Korea, Taiwan, and parts of Southeast Asia. It thrives primarily in temperate and subtropical climates where moist, shaded environments are available. Within these regions, the species is often found growing in forest edges, thickets, and along riverbanks. Its distribution is closely linked to the presence of suitable soil conditions and moderate humidity levels found in these habitats. Because it is a climbing vine, it frequently occupies the understory layer of various woodland ecosystems.
How is this plant cultivated?
This plant requires well-drained, fertile soil and partial shade to thrive in a temperate garden setting.
Because Smilax china is a vigorous woody climber, it needs a sturdy trellis or support structure to manage its spreading growth habit. Regular watering is essential to maintain consistent moisture levels, especially during the warmer summer months. Providing organic mulch around the base of the stem helps retain soil moisture and regulates temperature.
Once established, the plant is relatively hardy and can tolerate various soil types as long as drainage remains adequate.
What parts of this plant are used medicinally?
This plant Smilax china provides medicinal benefits through its berries, leaves, rhizomes, roots, and stems. The rhizome and root are often harvested together to treat inflammatory conditions and joint pain. Its leaves are frequently utilized in traditional decoctions to support digestive health. The stems are processed to extract various compounds used in topical applications. Finally, the berries serve as a specific component in traditional formulas to address different systemic ailments.
According to a study published by "Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica", the analysis involved rhizomes of 9 species and 1 variety of Smilacaceae plants grown in Zhejiang Province. The researchers used pyrolysis-high resolution gas chromatography and numerical taxonomy to obtain the best taxonomic results. When compared with the results of thin layer chromatography, the classical taxonomy was found to be basically reasonable. However, the study determined that Smilax china should be divided into 2 types. These 2 types are distinguished by having either big berries or small berries.
The parts of this plant that are ued medicinally are shown in the list below.
- berries
- leaf
- rhizome
- root
- stem
What traditional systems uses this plant?
This plant, Smilax china, has been utilized for centuries within Chinese Materia Medica and Traditional Korean Medicine to treat inflammatory conditions and promote detoxification. In the Chinese tradition, the root is often prepared to clear heat and resolve toxicity while addressing issues related to dampness. Practitioners in the Korean medical system frequently employ the species to alleviate joint pain and reduce swelling in the limbs. These historical applications often involve decoctions designed to support kidney and bladder functions. By targeting internal stagnation, these traditional systems rely on the plant's perceived ability to purify the blood.
According to a study published by "Microscopy research and technique", confusion in the species associated with the name of Bixie in Chinese Materia Medica began centuries ago. Diverse medicinal plants from the genus Smilax, including Smilax china, have been documented under the name Bixie or a very similar name as folk medicines in different areas of China. The traditional efficacies and chemical profiles of these herbs are not exactly the same and even vary wildly. To differentiate and ensure the correct use of these herbs, this study characterized seven sorts of representative Bixie herbs, including Smilax china. The research used common light microscopy, fluorescence microscopy, and polarized light microscopy to observe characteristics of transections of crude drugs.
The hystorical systems that uses this plant are shown in the list below.
- Chinese Materia Medica
- Traditional Korean Medicine
What are the pharmacological activities of Smilax china?
This plant has demonstrated significant pharmacological activities including anti-cancer, anti-inflammatory, antimicrobial, antioxidant, and α-glucosidase inhibition properties. Its bioactive compounds work to neutralize free radicals, which provides a strong antioxidant defense for cellular structures. These constituents also exhibit the ability to inhibit tumor cell proliferation and reduce systemic inflammation. Furthermore, the extracts show effectiveness in combating various microbial pathogens through antimicrobial action. The plant's ability to inhibit α-glucosidase makes it a potential natural agent for managing postprandial blood glucose levels.
According to a study published by "Journal of ethnopharmacology", Smilax china L. is a well-known traditional medicinal plant used as an anti-cancer drug in China for thousands of years. In vitro and in vivo studies have confirmed its potential lipid-lowering, anti-inflammatory, and anti-ovarian cancer effects. The plant contains scopolin, which can regulate the expression of glycolysis-related proteins including GPI, GPD2, and PGK2. Scopolin from Smilax china L. affects the interaction between Hsp90α and GPD2 to reduce the energy metabolism of tumor tissue. These activities allow scopolin to inhibit tumor growth and play a role in anti-hepatocellular carcinoma.
The primary pharmacological activities of this plant are shown in the list below.
- anti-cancer
- anti-inflammatory
- antioxidant
- antimicrobial
- anti-diabetic
What medicinal compounds this plant contains?
This plant contains several medicinal compounds including smiglaside E, smilasides A-F, diosgenin, kaempferol, and rutin. These specific steroidal saponins are known for contributing to the plant's diverse biological activities. The presence of diosgenin is particularly significant due to its role as a precursor in the synthesis of various steroid hormones. Additionally, the flavonoids kaempferol and rutin provide antioxidant properties that support overall health. Together, these chemical constituents define the therapeutic potential of Smilax china in traditional medicine.
According to a study published by "Journal of natural products", bioassay-guided fractionation of an ethanol extract of Smilax china led to the isolation of nine phenylpropanoids. This group includes six new compounds known as smilasides A-F (1-6). Additionally, the extract contained three known phenylpropanoids identified as smiglaside E, heloniosides B, and 2',6'-diacetyl-3,6-diferuloylsucrose. Structural elucidation of the isolates 1-6 was performed using spectroscopic data analysis. These new phenylpropanoids were subsequently evaluated against several human tumor cell lines.
The primary medicinal compounds of this plant are shown in the list below.
- smiglaside E
- smilasides A-F
- diosgenin
- kaempferol
- rutin
What health conditions is this plant used for?
This plant is used for treating adjunctive arthritis, benign prostatic hyperplasia, general inflammation, and various inflammatory disorders. It is frequently employed in herbal medicine to help manage the swelling and pain associated with inflammatory disorders. For men, it serves as a natural supplement to address the symptoms of prostatic hyperplasia. The plant's properties are specifically targeted toward reducing the systemic inflammation that can exacerbate these chronic health conditions.
According to a study published by "Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials", the decoction of Smilax china L. was studied for its therapeutic action on adjunctive arthritis (AA) mice. Intragastric injection of the decoction at doses of 90 and 180 g.kg-1 could significantly inhibit the secondary inflammatory swelling of the AA mice. This treatment was also shown to reduce the weights of the thymus and spleen. Furthermore, the decoction decreased the CD4/CD8 ratio but had little influence on B cells. The therapeutic action of Smilax china occurs by regulating cell-mediated immunity, although it has little effect on humoral immunity.
The main health conditions this plant is used for are shown in the list below.
- inflammation
- inflammatory disorders
- prostate enlargement
- prostatiс hyperplasia
- benign prostatic hyperplasia
What are the herbal preparations of this plant?
This plant is Smilax china, which is processed into various medicinal herbal preparations including 95% ethanol extract, butanol extracted fraction, decoction, extracts, and powders. The 95% ethanol extract and the specialized butanol extracted fraction are frequently used in laboratory settings to isolate specific bioactive compounds. Traditional therapeutic applications often involve a decoction made by boiling the roots in water to release soluble medicinal properties. Additionally, concentrated extracts and finely milled powders provide convenient formats for standardized dosing in different medicinal formulations. These diverse preparations allow for the targeted delivery of the plant's phytochemical constituents for various health purposes.
According to a study published by "Experimental & molecular medicine", the extract from Smilax china root has been used as a medicinal remedy with reported antimicrobial and antimutagenic activities. The methanol extract (Me) revealed high 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging activity with an IC50 of 7.4 microg/ml and protective properties for cell viability. High levels of DPPH free radical scavenging activity were also found in the ethyl acetate, butanol, and water extracted fractions. When V79-4 cells were treated with the methanol extract of Smilax china root, there was a dose-dependent increase in superoxide dismutase, catalase, and glutathione peroxidase activities between 4-100 microg/ml. These results suggest that the medicinal component of the Smilax china root extract contains antioxidant activity.
The main herbal preparations of this plant are shown in the list below.
- 95% ethanol extract
- butanol extracted fraction
- decoction
- extracts
- powders
What side effects this plant can have?
This plant can cause adverse health side effects such as nausea, diarrhea, stomach cramps, vomiting, and dizziness in some individuals. These gastrointestinal issues often occur when the plant is ingested in improper doses or without sufficient caution. Some users may also experience neurological symptoms like dizziness after consumption. Because these reactions can vary significantly between people, monitoring physical responses is essential. It is important to recognize these symptoms as signs of potential toxicity or sensitivity.
The main side effects this plant can have are shown in the list below.
- Nausea
- Diarrhea
- Stomach cramps
- Vomiting
- Dizziness
What herbs are paired with Smilax china?
This plant Smilax china is commonly paired with herbs such as Radix Rehmanniae, Radix Paoniae Alba, and various Fu Zi preparations to address blood stagnation and pain.
These combinations are often formulated to strengthen the blood and resolve stasis in traditional medicinal practices. When used for gynecological issues, it is frequently matched with herbs that regulate menstruation and alleviate cramping. The inclusion of warming herbs helps to promote circulation and counteract the cold nature of certain underlying conditions.
Such pairings aim to harmonize the effects of the root while targeting specific patterns of disharmony in the body.