Paris polyphylla

What's the taxonomical classification of Paris polyphylla?

Paris polyphylla belongs to the kingdom Plantae and is classified under the phylum Streptophyta. Within this lineage, it is categorized under the class Equisetopsida and the subclass Magnoliidae. Moving down the taxonomic hierarchy, it falls under the order Liliales and is a member of the family Melanthiaceae. Finally, the plant is identified by its genus, Paris, and its specific species name, polyphylla.

Taxonomic Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Liliales
Family Melanthiaceae
Genus Paris
Species polyphylla
Evidence Level: ★★★★☆

What are the morphological characteristics of this plant?

Paris polyphylla has a single stem arising from a thick, fleshy rhizome that produces a whorl of six to ten elliptical, dark green leaves at its apex. These leaves possess distinct parallel venation and lack a petiole, appearing to emerge directly from the terminal point of the stem. At the center of this leaf whorl, a solitary, nodding flower emerges, characterized by four fleshy, dark purple to blackish sepals. The petals are typically white or pale pink and surround a central cluster of numerous stamens and a single pistil. This unique structure creates a highly symmetrical, star-like appearance that is characteristic of the Melanthiaceae family.

Evidence Level: ★☆☆☆☆

What is the geographical distribution of this plant?

This plant is native to a specific range of East Asian temperate forests including parts of China, Japan, Korea, and the Russian Far East. It typically thrives in moist, shaded environments such as mountain woodlands and deciduous forest understories. Within these regions, it prefers well-drained soils and cool, temperate climates. Its distribution is often patchy, following the availability of suitable microhabitats found in shaded forest floors. This localized occurrence makes it a characteristic species of specific montane ecosystems across its range.

Evidence Level: ★☆☆☆☆

How is this plant cultivated?

This plant Paris polyphylla requires a cultivation environment characterized by cool, moist, shaded forest soils with high organic matter and well-draining characteristics.

Growers must maintain consistent humidity and protect the delicate root systems from direct sunlight and excessive heat. The cultivation process often begins with seeds or rhizome division during the dormant period in late autumn or early spring. Because of its slow growth rate and specific ecological needs, this species is difficult to mass-produce in standard agricultural settings.

Successful propagation typically necessitates a stable temperate climate that mimics its natural mountain habitat.

Evidence Level: ★☆☆☆☆

What parts of this plant are used medicinally?

This plant Paris polyphylla is utilized medicinally primarily through its rhizome and roots, which contain active compounds for treating inflammation and tumors. While the rhizome is the most potent part for traditional remedies, the roots also contribute to the plant's therapeutic profile. The leaves are occasionally used in various topical applications depending on the specific herbal preparation. Although the flowers and fruit are parts of the plant's life cycle, they are generally not the primary components harvested for medicinal purposes. Practitioners focus on the underground structures to ensure the highest concentration of medicinal alkaloids.

According to a study published by "Functional plant biology : FPB", Paris polyphylla Smith var. yunnanensis (Franch.) Hand.-Mazz. is a rhizomatous, herbaceous, perennial plant used as a medicinal plant with a variety of pharmacological activities. The study examined how photosynthates produced by sepals and leaves are allocated to the fruit and rhizome. While fruit removal led to a decrease in calyx size, it resulted in an increase in rhizome yield and saponin content. These findings suggest that fruit removal can improve the yield and quality of the rhizome. This process offers a useful strategy for the domestication of this valuable medicinal plant.

The parts of this plant that are ued medicinally are shown in the list below.

  • rhizome
  • root
  • leaf
  • flowers
  • fruit
Evidence Level: ★★★☆☆

What traditional systems uses this plant?

This plant, Paris polyphylla, has been utilized for centuries in Chinese traditional medicines to treat inflammation, clear heat, and detoxify the body. Practitioners historically prescribed its tuberous roots to address conditions such as fever, swelling, and various skin ailments. The plant is valued for its ability to cool the blood and resolve toxicity according to classical herbal theories. In addition to its medicinal applications, it has long been sought after for its purported ability to enhance cognitive function and longevity. Historical texts often emphasize its importance in complex formulas designed to balance internal heat.

According to a study published by "Heliyon", Paris polyphylla Sm. is an important medicinal plant used to treat a variety of diseases through traditional medicine systems such as Ayurveda, Tibetan traditional medicines, and Chinese traditional medicines. The IUCN red list has designated the plant as vulnerable due to a decline in its wild population caused by over-exploitation, habitat degradation, and illegal collection for trade and traditional use. Paris saponins or steroidal saponins are the main bioactive chemical constituents from this plant and they account for more than 80% of the total compounds. These include polyphylliin D, diosgenin, and paris saponins I, II, VI, VII, and H. The extracts and pure compounds have demonstrated antioxidant, anticancer, anti-leishmaniaisis, antibacterial, antifungal, anthelmintiic, antityrosinase, and antiviral effects in vivo and in vitro.

The hystorical systems that uses this plant are shown in the list below.

  • Chinese traditional medicines
Evidence Level: ★★★☆☆

What are the pharmacological activities of Paris polyphylla?

This plant has diverse pharmacological activities including anti-cancer, anti-inflammatory, antioxidant, antiviral, and immunomodulatory properties. The bioactive compounds found in Paris polyphylla work to neutralize free radicals, which provides significant antioxidant protection for cells. Its anti-cancer potential is demonstrated through its ability to induce apoptosis in various tumor cell lines. Additionally, the plant exhibits strong anti-inflammatory effects by inhibiting specific inflammatory mediators within the body. It also demonstrates antiviral capabilities and functions as an immunomodulatory agent to regulate immune responses.

According to a study published by "European journal of pharmacology", Paris polyphylla Sm. is a medicinal plant used for cancer treatment in China and India. One of its major saponins, polyphyllin VI (PP-VI), was investigated for its anti-metastatic activity in mouse mammary carcinoma 4T1 and human breast cancer MDA-MB-231 cells. At a sub-cytotoxic dose, PP-VI suppressed the metastatic potential of both 4T1 and MDA-MB-231 cells. The treatment resulted in increased expression of Rell2 and decreased levels of miR-18a in 4T1 and MDA-MB-231 cells. This study demonstrates that the anti-metastatic effect of PP-VI in breast cancer cells is implicated in the targeted regulation of Rell2 by miR-18a.

The primary pharmacological activities of this plant are shown in the list below.

  • anti-cancer
  • anti-inflammatory
  • antioxidant
  • antiviral
  • immunomodulatory
Evidence Level: ★★★☆☆

What medicinal compounds this plant contains?

This plant contains several bioactive steroidal saponins including Polyphylliin D, Polyphyllin VI, Polyphyllin VII, Paris saponin II, and Paris saponin I. These specific chemical constituents are responsible for much of the medicinal value attributed to the species in traditional practices. Researchers often study these compounds for their potential anti-inflammatory and neuroprotective properties. The structural diversity of these saponins allows them to interact with various biological targets within the human body. Understanding the concentrations of these molecules is essential for developing standardized herbal extracts.

According to a study published by "Journal of medicinal food", Paris polyphylla is a traditional medicinal herb that contains the active component Polyphyllin D (PD). This component has demonstrated significant antitumor activity in vivo or in vitro and has long been used for the treatment of cancer in Asian countries. In studies involving U87 human glioma cells, PD was applied at varied concentrations ranging from 10(-8) to 10(-4) M. Treatment with PD for 24 h significantly inhibited the proliferation of U87 human glioma cells in a concentration-dependent manner. The substance increases apoptosis by upregulating the expression of Bax, caspase-3, and p-JNK while downregulating antiapoptotic Bcl-2 expression.

The primary medicinal compounds of this plant are shown in the list below.

  • Polyphyllin D
  • Polyphyllin VI
  • Polyphyllin VII
  • Paris saponin II
  • Paris saponin VII
Evidence Level: ★★★☆☆

What health conditions is this plant used for?

This plant is used for treating digestive system diseases, reducing inflammation, enhancing immune function, promoting wound healing, and combating viral infections. Its medicinal properties are often harnessed to soothe gastrointestinal distress and restore gut health. The compounds found within the plant also act as potent anti-inflammatory agents to calm bodily swelling. Additionally, it is frequently utilized to bolster the immune system and provide a defense against various viral infections. Finally, its ability to accelerate wound healing makes it a valuable resource for skin recovery and tissue repair.

According to a study published by "Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica", Paris polyphylla has been used as a medicinal plant by 8 ethnic minorities. An analysis of 62 experiential effective recipes, consisting of 29 simple recipes and 33 compound recipes, showed the plant is used for 9 categories of diseases. It is especially employed for dermatologic diseases, trauma, and toxicosis. Among 26 active components, 19 steroidal saponins are capable of resisting cancer, furuncles, carbuncles, abscesses, bacteria, inflammation, and stopping bleeding. The study also proved its efficacy in treating cancer and diseases of the respiratory system, digestive system, and genitourinary system.

The main health conditions this plant is used for are shown in the list below.

  • digestive system diseases
  • inflammation
  • wound healing
  • digestive tract cancers
  • immune function
Evidence Level: ★★★☆☆

What are the herbal preparations of this plant?

This plant is Paris polyphylla, a medicinal herb processed into various forms such as 95% ethanol extract, aqueous extracts, and LouHuang preparation. The plant's therapeutic components are often concentrated through ethyl acetate extraction to isolate specific bioactive compounds. Most traditional and modern medicinal applications utilize the dried whole or cut rhizomes of the species. These different preparations allow for varying levels of potency and solubility in different medical contexts. Research into these specific extraction methods helps determine the most effective ways to utilize its chemical properties.

According to a study published by "Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie", the LouHuang preparation (LH) containing Rhizoma Paridis shows good antitumor activity. In the H22 tumor model, LH increased the tumor inhibition rate of HCPT from 39% to 55%. The plasma concentration of HCPT increased from 60 to 75ng/mL when combined with LH. LH significantly enhanced the absorption transport of HCPT from 7019.04 to 11569.02ng/cm2. Additionally, LH improved the permeation flux (F) of HCPT from 10.62 to 21.47 (ng/cm2min) and the apparent permeability (Papp) from 9.92-20.07 (10-6cm/s).

The main herbal preparations of this plant are shown in the list below.

  • 95% ethanol extract
  • LouHuang preparation
  • aqueous extracts
  • dried whole or cut rhizomes
  • ethyl acetate extraction
Evidence Level: ★★★☆☆

What side effects this plant can have?

This plant can cause severe health complications including hepatotoxicity, inflammation in the heart, liver damage, poisoning, and intense pain. Consuming the plant may lead to acute liver damage and systemic poisoning if ingested in improper amounts. The presence of certain compounds can trigger dangerous inflammation in the heart, affecting cardiovascular stability. Individuals may also experience significant physical pain as a reaction to its toxic properties. These side effects underscore the dangerous nature of the plant to human health.

According to a study published by "Journal of ethnopharmacology", the maximum tolerated doses of extracts from both cultivated and wild PY and PC varieties of Paris polyphylla exceeded 80 g/kg body weight in mice. In subchronic toxicity tests, doses exceeding 1.95 g/kg body weight resulted in significant increases in liver and heart function biomarkers. Pathological examinations primarily revealed inflammatory changes in the liver and heart, with wild varieties eliciting more pronounced organ damage than cultivated ones. Investigations into cultivated PY showed it significantly elevated inflammatory factor levels and induced abnormal mitochondrial autophagy and apoptosis in liver tissue. These effects are potentially associated with the activation of the STAT3/BNIP3 axis and the disruption of hepatic metabolic homeostasis.

The main side effects this plant can have are shown in the list below.

  • hepatotoxicity
  • inflammation in the heart
  • liver damage
  • poisoning
  • pain
Evidence Level: ★★★☆☆

What herbs are paired with Paris polyphylla?

This plant Paris polyphylla is most commonly paired with Panax ginseng, Astragalus membranaceus, and Rehmannia glutinosa in traditional herbal formulas.

These combinations are designed to synergistically enhance the plant's ability to nourish the heart and calm the spirit. Practitioners often blend it with warming herbs to balance its cooling nature during the treatment of deficiency syndromes. The specific ratios of these pairings vary depending on whether the goal is to clear heat or tonify vital energy.

Such careful selection of companion herbs ensures that the medicinal properties of Paris polyphylla are maximized for the patient's specific constitution.

Evidence Level: ★☆☆☆☆