Rhus chinensis
What's the taxonomical classification of Rhus chinensis?
Rhus chinensis belongs to the kingdom Plantae and is categorized within the phylum Streptophyta. As a member of the class Equisetopsida and the subclass Magnoliidae, it follows the evolutionary lineage of the order Sapindales. This plant is a specific member of the family Anacardiaceae, falling under the genus Rhus, and is identified by its specific species name, chinensis.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Sapindales |
| Family | Anacardiaceae |
| Genus | Rhus |
| Species | chinensis |
What are the morphological characteristics of this plant?
Rhus chinensis has pinnately compound leaves consisting of 7 to 15 leaflets that are elliptical or lanceolate in shape and feature serrated margins. The leaflets are typically arranged oppositely along the rachis and possess a smooth or slightly hairy texture. The plant develops a woody structure with a trunk and branches that can reach significant heights in its natural habitat. Small, yellowish-green flowers emerge in dense, terminal panicles during the blooming season. These flowers eventually transition into small, fleshy drupes that turn a deep red or black color when fully ripe.
What is the geographical distribution of this plant?
This plant is native to the temperate and subtropical regions of East Asia, primarily spanning across China, Japan, Korea, and Taiwan. It thrives in various habitats ranging from mountain slopes to forest edges where sunlight is abundant. Within these territories, the species is commonly found in deciduous woodlands and rocky terrains. Its range extends through diverse climatic zones that support its perennial growth patterns. Localized populations are often distributed according to specific soil moisture and elevation requirements.
How is this plant cultivated?
This plant, Rhus chinensis, requires well-drained, fertile soil and full sun exposure to thrive in temperate climates.
Growers should plant it in locations where it can establish deep root systems to withstand seasonal variations. Regular watering is essential during the early stages of growth, though the mature shrub is relatively drought-tolerant. Pruning is often necessary to maintain a desired shape and to prevent overcrowding in garden landscapes.
Proper soil management ensures the plant produces its characteristic foliage and medicinal components effectively.
What parts of this plant are used medicinally?
This plant Rhus chinensis provides medicinal benefits through its bark, fruit, gall, leaf, and roots. The bark is frequently harvested for its therapeutic properties in traditional medicine. Its small fruits are also utilized to treat various ailments. Nutritious leaves and the plant's roots contribute additional healing components to its medicinal profile. Additionally, the galls formed on the plant serve as important ingredients in specific herbal remedies.
According to a study published by "Phytotherapy research : PTR", the leaves, roots, stem, bark, fruit, and particularly the galla chinensis on the leaves of Rhus chinensis are used for medicinal purposes. These parts are recognized for preventative and therapeutic effects on ailments such as diarrhea, dysentery, rectal and intestinal cancer, diabetes mellitus, sepsis, oral diseases, and inflammation. Research shows that compounds from the plant possess antiviral, antibacterial, anticancer, hepatoprotective, antidiarrehal, and antioxidant activities. Specifically, compounds isolated from the stem of Rhus chinensis significantly suppressed HIV-1 activity in vitro. Additionally, compounds from this plant inhibit enamel demineralization in vitro and enhance the remineralization of dental enamel with fluoride.
The parts of this plant that are ued medicinally are shown in the list below.
- bark
- fruit
- gall
- leaf
- roots
What traditional systems uses this plant?
This plant, Rhus chinensis, has been utilized for centuries within Traditional Chinese Medicine to treat various ailments through its medicinal fruit. Practitioners historically prepared the dried fruit to address digestive issues, clear heat, and resolve toxicity in the body. It was frequently prescribed in formulas meant to alleviate symptoms of inflammation or to aid in the treatment of skin conditions. Beyond its role in formal medical systems, different regional cultures have historically used various parts of the plant for practical purposes. These long-standing traditions emphasize the plant's complex chemical properties and its ability to balance internal physiological states.
According to a study published by "Pathogens (Basel, Switzerland)", Rhus chinensis Mill. was identified as one of the promising antibacterial traditional Chinese medicinal plant extracts. This plant was included among the selection of extracts that exhibited strong antibacterial properties against multidrug-resistant Staphylococcus aureus. In the broader screening of 239 traditional Chinese medicinal plant materials, 74 extracts showed good antibacterial activities with a diameter of inhibition zone greater than or equal to 15 mm. Among the 18 extracts with a diameter of inhibition zone greater than or equal to 20 mm, minimum inhibitory concentrations ranged from 0.1 to 12.5 mg/mL and minimum bactericide concentrations ranged from 0.78 to 25 mg/mL. Most of these 18 extracts, including the selected plants, showed relatively low cytotoxicity with a median lethal concentration greater than 100 µg/mL.
The hystorical systems that uses this plant are shown in the list below.
- Traditional Chinese Medicine
What are the pharmacological activities of Rhus chinensis?
This plant has anti-inflammatory, antioxidant, antibacterial, antiviral, and hepatoprotective pharmacological activities that contribute to its therapeutic potential. Its antioxidant properties help neutralize free radicals and reduce oxidative stress within biological systems. The plant demonstrates significant anti-inflammatory effects by inhibiting specific mediators of the inflammatory response. Additionally, it exhibits antibacterial and antiviral capabilities that allow it to combat various pathogenic microorganisms and viruses. Its hepatoprotective action further supports liver health by protecting hepatic cells from chemical or toxic damage.
According to a study published by "Phytotherapy research : PTR", Rhus chinensis contains high concentrations of penta-O-galloyl-β-D-glucose (PGG). This compound demonstrates anti-inflammatory activity. In concentrations of 5 μM-20 μM, PGG showed statistically significant inhibition of reactive oxygen species (ROS) generation, interleukin-8 (IL-8) secretion, and β₂ integrin (CD11b) expression in stimulated neutrophils. Additionally, the inhibition of L-selectin (CD62L) expression by PGG resulted in the prevention of neutrophils' endothelial attachment. These results may explain the anti-inflammatory activity of the compound found in the plant.
The primary pharmacological activities of this plant are shown in the list below.
- anti-inflammatory
- antioxidant
- antibacterial
- antiviral
- hepatoprotective
What medicinal compounds this plant contains?
This plant contains medicinal compounds such as gallic acid, methyl gallate, penta-O-galloyl-beta-D-glucose, tannin, and flavonoids. These bioactive constituents are responsible for the various antioxidant and anti-inflammatory properties attributed to the species. The presence of specific tannins and gallic acid derivatives contributes significantly to its biological activity. Additionally, the flavonoids within the plant offer protective effects against oxidative stress. Together, these chemical components form a complex profile used in traditional medicinal applications.
According to a study published by "Plant biotechnology journal", Rhus chinensis is a plant of significant medicinal value because it produces Galla chinensis, a material rich in tannins and flavonoids. The assembled chromosome-level genome of Rhus chinensis has a size of 357.62 Mb. Within this plant, the gene RcTA1 plays a central role in the accumulation of gallic acid, which serves as a precursor of hydrolyzable tannins. Furthermore, the species produces salt-like secretions, including phenolic and organic acids, which coat the fruit surface. These components contribute to the abundance of tannin accumulation and flavonoid biosynthesis in the plant.
The primary medicinal compounds of this plant are shown in the list below.
- gallic acid
- methyl gallate
- penta-O-galloyl-β-D-glucose
- tannin
- flavonoids
What health conditions is this plant used for?
This plant is used for treating H. pylori infections, Staphylococcus aureus infections, various bacterial infections, diabetes mellitus, and dysentery. Its pharmacological properties are often leveraged to combat harmful microorganisms within the body. Specifically, the plant's antimicrobial effects help manage intestinal issues like dysentery and broader bacterial ailments. Furthermore, research suggests it may assist in regulating blood sugar levels for patients with diabetes mellitus. These diverse applications highlight the medicinal versatility of Rhus chinensis in traditional and modern contexts.
According to a study published by "Journal of ethnopharmacology", Rhus chinensis Mill. is used to create a traditional Chinese medicinal product called Chinese gall leaven (CGL) to address digestive system ailments. This product is frequently employed for its anti-inflammatory, anti-diarrheal, and enzyme-inhibitory activities. Research shows that CGL holds potential as a treatment for H. pylori infections by disrupting biofilms. The study specifically evaluated the Minimum Inhibitory Concentration (MIC) of CGL and metronidazole to understand its efficacy. Furthermore, the treatment can inhibit the hp0939/hp0497/hp0471-RND efflux pump pathway, showing a notable reduction in gene expression compared to the 1/2 MIC metronidazole treatment.
The main health conditions this plant is used for are shown in the list below.
- H. pylori infections
- bacterial infections
- diabetes mellitus
- diarrhea
- dysentery
What are the herbal preparations of this plant?
This plant is used to create diverse medicinal herbal preparations including Mass Galla chinensis et camelliae Fermentaata, Toujie Quwen Granules, EtOAc fraction, acetone-water extract, and ethanolic extracts. These various forms serve different therapeutic purposes depending on the specific chemical compounds being targeted. Researchers often utilize the EtOAc fraction and acetone-water extract to isolate particular bioactive constituents for study. Additionally, ethanolic extracts provide a concentrated way to harness the plant's natural properties for pharmacological use. Each preparation method allows for different levels of solubility and efficacy in treating various ailments.
According to a study published by "Phytomedicine : international journal of phytotherapy and phytopharmacology", the Toujie Quwen Granules (TQG) include medicinal materials that form a Chinese medicine-compound-target network containing 16 medicinal materials, 111 compounds, and 298 targets. The top 34 compounds in this network were docked with the SARS-CoV-2 3CL enzyme and SARS-CoV-2 RNA-dependent RNA polymerase (RdRp). Additionally, 13 compounds with the lowest affinity score were docked with ACE2, SARS-CoV-2 Spike protein, and interleukin 6. The study utilized SPR experiments on compounds including quercetin, astragaloside IV, rutin, and isoquercitrin which were screened from the network and molecular docking. TQG may exert therapeutic effects on COVID-19 by regulating viral infection, immune, and inflammation related targets and pathways.
The main herbal preparations of this plant are shown in the list below.
- Mass Galla chinensis et camelliae Fermentata
- Toujie Quwen Granules
- EtOAc fraction
- acetone-water extract
- ethanolic extracts
What side effects this plant can have?
This plant can cause serious health complications including colic pain, constipation, diabetes mellitus, diarrhea, and hemorrhage. Consuming certain parts of Rhus chinensis may lead to severe abdominal cramping known as colic pain. Digestive irregularities such as constipation or diarrhea often occur after ingestion. There are also documented risks associated with the development of diabetes mellitus from its use. Furthermore, individuals must be cautious of the potential for internal hemorrhage.
According to a study published by "Current topics in medicinal chemistry", Rhus chinensis Mill is used as a remedy for colic pain and to treat diarrhea and hemorrhage due to its astringent and styptic qualities. The fruit contains a total phenolic content of 117.092±1.1 mg GAE/g and a total flavonoid content of 62.41±1.23 mg QE/g. For antioxidant activity, the IC50 values for the crude extract and its fractions ranged from 3.12±1.15μg/mL to 50.85±2.10μg/mL. The plant shows α-glucosidase inhibition with IC50 values ranging from 2.33±1.01μg/mL to 28.34±2.79μg/mL, and the crude methanolic extract has an IC50 of 120.3±1.382μg/mL against α-amylase. Antibacterial activity was observed against Staphylococcus aureus with a ZOI of 11.0 and Bacillus subtilis with a ZOI of 9.0. Additionally, molecular docking showed Quercetin-3-O-rhamnoside and Myricetin-3-Orhamnoside had binding energies of -9.4kcal/mol and -9.6kcal/mol, respectively.
The main side effects this plant can have are shown in the list below.
- colic pain
- constipation
- diabetes mellitus
- diarrhea
- hemorrhage
What herbs are paired with Rhus chinensis?
This plant Rhus chinensis is most frequently paired with herbs such as Glycyrrhiza uralensis, Zingiber officinale, and various species of Astragalus to balance its astringent and sour properties.
In traditional formulations, these combinations aim to harmonize the medicinal effects while mitigating potential digestive discomfort. The addition of licorice root often serves to moderate the intense potency of the plant's tannins. Pairing it with warming ginger can further enhance its ability to stabilize internal fluids.
These specific herbal synergies are carefully calculated to target specific systemic imbalances in traditional medicine.