Polygonatum sibiricum
What's the taxonomical classification of Polygonatum sibiricum?
Polygonatum sibiricum belongs to the kingdom Plantae and is classified within the phylum Streptophyta. As a member of the class Equisetopsida and the subclass Magnoliidae, it falls under the order Asparagales. It is further categorized into the family Asparagaceae, which contains the genus Polygonatum, ultimately leading to its specific designation as the species sibiricum.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Asparagales |
| Family | Asparagaceae |
| Genus | Polygonatum |
| Species | sibiricum |
What are the morphological characteristics of this plant?
Polygonatum sibiricum has rhizomes that are thick and fleshy, supporting stems that grow between 10 and 40 centimeters tall with lanceolate leaves arranged in an alternate or somewhat whorled pattern. The leaf blades are typically 5 to 15 centimeters long and possess a smooth, entire margin. Small, bell-shaped flowers hang from the leaf axils in a drooping fashion, often appearing in clusters of one to three. These blossoms are typically white or creamy in color and emerge during the late spring or early summer. Following pollination, the plant produces small, reddish or dark berries that ripen by autumn.
What is the geographical distribution of this plant?
This plant is native to a vast region of East Asia that spans across northeastern China, the Korean Peninsula, and the Russian Far East. It primarily thrives within the temperate forest ecosystems of these specific territories. Within these areas, the species is often found growing in shaded, moist environments such as woodland understories. Its range extends through various latitudes where the seasonal climate supports its perennial growth cycle. These diverse locations provide the necessary soil conditions and humidity levels required for its natural distribution.
How is this plant cultivated?
This plant requires well-drained, humus-rich soil and a location with partial shade to thrive in temperate climates.
It grows best when kept consistently moist but never waterlogged, making it an ideal choice for woodland garden settings. Because it spreads via underground rhizomes, it is important to provide ample space or use containers to manage its expansion. Once established, the plant is relatively hardy and can withstand cool temperatures throughout the growing season.
Regular mulching helps maintain the moisture levels and soil temperature necessary for its continued health.
What parts of this plant are used medicinally?
This plant utilizes its thickened rhizome, which is often referred to as a root or a tuber-like structure, for primary medicinal purposes. While some classifications distinguish between the underground rhizome and a true root, the fleshy storage organ is the main component harvested for treatment. The plant does not possess a distinct corm, but the modified stem structure provides the essential bioactive compounds. Even the tender shoot may be utilized in certain traditional preparations, though the energy is concentrated below the surface. These various parts are processed to harness the specific healing properties inherent to the species.
According to a study published by "Frontiers in plant science", the rhizomes of Polygonatum sibiricum contain polysaccharides and saponins as the main active components. Transcriptome sequencing was performed on the rhizomes to analyze the molecular mechanism of their synthesis. After the removal of redundancy, a total of 168,108 unigenes were generated from the transcriptome analysis. Of these, 121,642 were annotated in 7 databases. The study identified 135 differentially expressed genes encoding 18 enzymes for polysaccharide synthesis and 128 differentially expressed genes encoding 28 enzymes for steroidal saponin synthesis.
The parts of this plant that are ued medicinally are shown in the list below.
- Rhizome
- Root
- Corm
- Tuber
- Shoot
What traditional systems uses this plant?
This plant, Polygonatum sibiricum, has been utilized in Traditional Chinese Medicine for centuries to nourish Yin and moisten the lungs. Practitioners historically prescribed the dried rhizome, known as Huang Jing, to address deficiencies in the spleen and stomach. It was frequently used in various herbal formulas to replenish essence and promote the production of body fluids. Beyond its role in respiratory health, the plant served as a tonic to strengthen the body during periods of exhaustion. Historical records indicate its importance in supporting kidney function and enhancing overall vitality through its restorative properties.
According to a study published by "Journal of applied toxicology : JAT", Polygonatum sibiricum Delar. ex Redoute (P. sibiricum) is a traditional Chinese medicine used for multiple health benefits in medicinal-edible dual consumption. The ethanolic extract of P. sibiricum contained 1.138-mg/ml flavonoids and 9.152-mg/ml saponins. Among 15 components, approximately 10 blood-accessible constituents were discovered. While the plant did not cause acute lethality, high-dose exposure induced obvious behavioural changes and chromosomal damage. These findings provide a comprehensive toxicological reference for the rational and safe use of P. sibiricum in both medicine and diet.
The hystorical systems that uses this plant are shown in the list below.
- Traditional Chinese Medicine
What are the pharmacological activities of Polygonatum sibiricum?
This plant has Qi- and Yin-tonifying, anti-inflammatory, immunomodulatory, anti-oxidative, and hypoglycemic pharmacological activities. Its traditional medicinal use focuses on replenishing vital energy and nourishing the body's cooling fluids. Research indicates that its bioactive compounds help regulate the immune system and reduce harmful inflammation within various tissues. The plant also demonstrates significant antioxidant properties by neutralizing free radicals to prevent cellular damage. Additionally, its ability to lower blood glucose levels makes it a subject of interest for managing metabolic health.
According to a study published by "Antioxidants (Basel, Switzerland)", Polygonatum sibiricum polysaccharides (PSP) exhibit various biological activities, including anti-inflammatory and antioxidant effects. In a study involving 200 one-day-old Hy-Line Brown laying chicks divided into groups of 40, PSP was administered at doses of 250 mg/L, 500 mg/L, and 1000 mg/L. The PSP treatment significantly reduced liver and kidney indices elevated by 1500 μg/kg LPS injections on days 14, 16, 18, and 20. PSP alleviated LPS-induced ballooning degeneration and cell swelling in hepatocytes while decreasing levels of ALT and AST. Furthermore, PSP mitigated increases in pro-inflammatory cytokines IL-1β, IL-6, and TNF-α, enhanced IL-10, and regulated 10 genes in the PPAR signaling pathway. The polysaccharides also alleviated oxidative stress by affecting levels of SOD, MDA, NADPH, ROS, and H2O2.
The primary pharmacological activities of this plant are shown in the list below.
- Qi- and Yin-tonifying
- anti-inflammatory
- immunomodulatory
- antioxidant
- hypoglycemic
What medicinal compounds this plant contains?
This plant contains polygonatum sibiricum polysaccharides, polygonatum sibiricum saponins, neosibiricosides A-D, sibiricoside A-qt, and spirostaenol glycosides. These specific bioactive constituents are responsible for the diverse pharmacological activities associated with the species. The polysaccharides often contribute to immunomodulatory and antioxidant functions within the body. Saponins and various glycosides like neosibiricosides and sibiriicosides serve as key markers for its medicinal potency. Additionally, the presence of spirostaenol glycosides adds to the complex chemical profile used in traditional treatments.
According to a study published by "Nutrients", Polygonatum sibiricum contains polysaccharides known as PSPs that possess medicinal functions. These PSPs were administered to mice for a period of four weeks to evaluate their therapeutic potential. The treatment helped increase levels of gamma-aminobutyric acid (GABA) and serotonin (5-HT) while reducing excitotoxic metabolites such as Glutamate (Glu) and 3-hydroxykynurenine (3-HK). Additionally, PSP upregulated the levels of Claudin-5 and Zonula Occludens-1 (ZO-1) in the colon to improve intestinal barrier integrity. These medicinal compounds also work by inhibiting NLRP3 inflammasome activation and NF-κB phosphorylation in the hippocampus.
The primary medicinal compounds of this plant are shown in the list below.
- Polygonatum sibiricum polysaccharides
- Polygonatum sibiricum saponins
- neosibiricosides A-D
- sibiricoside A_qt
- spirostanol glycosides
What health conditions is this plant used for?
This plant is used for treating Qi deficiency, Yin deficiency, liver deficiency, kidney deficiency, and spleen deficiency. It functions primarily by tonifying the vital essence and nourishing the body's internal fluids. In traditional practice, it helps restore balance to the organs when they are depleted of their essential energy. The herb is particularly effective at addressing dryness and weakness resulting from long-term constitutional imbalances. By replenishing these core elements, it supports the overall recovery of the body's restorative systems.
According to a study published by "Zhòngguó Zhòng yào Zā zhì = Zhòngguó zhōngyào zazhi = China journal of Chinese materia medica", Polygonatum sibiricum is one of 3 plant varieties of Polygonati Rhizoma recorded in the Chinese Pharmacopoeia. This medicinal plant is used to tonify Qi and nourish Yin, as well as to strengthen the spleen and kidney. It also possesses a wide range of pharmacological effects, including anti-oxidation, anti-osteoporosis, and anti-tumor effects.
The main health conditions this plant is used for are shown in the list below.
- Qi deficiency
- Yin deficiency
- liver damage
- kidney deficiency
- splen deficiency
What are the herbal preparations of this plant?
This plant is used to create various medicinal herbal preparations including Polygonati rhizoma, Polygonatum sibiricum polysaccharide, and aqueous extract. These preparations are often processed through a traditional method involving nine steaming and nine drying cycles to enhance their therapeutic properties. Scientists also isolate specific bioactive compounds to develop more concentrated medicinal forms. Additionally, the processed material can be processed into a superfine powder for easier administration and absorption. These diverse preparations allow for a wide range of applications in traditional and modern medicine.
According to a study published by "Frontiers in plant science", Polygonatum sibiricum Red. is used as a traditional and classic dual-purpose material in food and medicine. The rhizome of Polygonatum sibiricum Red. is classified into five different types, including the Baiji-type, Jitou-type, atypical Jitou-type, Jiang-type, and Cylinder-type. Researchers analyzed the nutritional and medicinal component data along with antioxidant capacity using DPPH and ABTS to evaluate the quality of these rhizomes. The study observed the microstructure and histochemical localization of polysaccharides, saponins, and proteins within the plant. Results indicated that the comprehensive quality was better in the BJPR and JTPR types, regardless of their nutritional or medicinal values.
The main herbal preparations of this plant are shown in the list below.
- Polygonati rhizoma
- Polygonatum sibiricum polysaccharide
- aqueous extract
- nine steaming and nine drying
- superfine powder
What side effects this plant can have?
This plant can cause severe health complications including behavioural changes, biochemical disturbances, chromosomal damage, genetic toxicity, and hepatotoxicity. Consumption of the species may lead to significant alterations in cognitive or emotional patterns through various behavioural changes. Studies have indicated that the plant can trigger internal biochemical disturbances that disrupt normal physiological processes. Furthermore, there is evidence suggesting its potential for causing chromosomal damage and broader genetic toxicity within cellular structures. Finally, the plant presents a risk of hepatotoxicity, which can result in serious injury to the liver.
According to a study published by "Journal of applied toxicology : JAAT", Polygonatum sibiricum contains 1.138-mg/ml flavonoids and 9.152-mg/ml saponins. While high-dose exposure to the plant did not cause acute lethality, it induced obvious behavioural changes and chromosomal damage. Subacute administration of the extract elicited time-dependent biochemical disturbances and structural lesions in the liver, kidney, and spleen. Approximately 10 blood-accessible constituents were discovered among 15 components, including diosgenin, 3'-methoxydaidzein, and baicalein. These findings suggest that the plant is nonlethal but potentially possesses genetic and multiorgan toxicities.
The main side effects this plant can have are shown in the list below.
- behavioural changes
- biochemical disturbances
- chromosomal damage
- genetic toxicity
- hepatotoxicity
What herbs are paired with Polygonatum sibiricum?
This plant Polygonatum sibiricum is most effectively paired with Astragalus membranaceus, Panax ginseng, and Rehmannia glutinosa to enhance its tonifying effects on the kidney yin and essence.
These combinations are frequently utilized in traditional formulas to create a synergistic effect that strengthens the body's fundamental vitality. When combined with Astragalus, the pairing helps to bolster the protective qi while nourishing internal fluids. Including Rehmannia allows the formula to more deeply target the essence and marrow through its moistening properties.
Practitioners often adjust these herbal ratios depending on whether the patient requires more nourishment or more energetic support.