Schisandra propinqua

What's the taxonomical classification of Schisandra propinqua?

Schisandra propinqua 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. Following the taxonomic hierarchy further, it falls under the order Austrobaileyales and is a member of the family Schisandraceae. Finally, the plant is identified by the genus Schisandra and is specifically designated as the species propinqua.

Taxonomic Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Austrobaileyales
Family Schisandraceae
Genus Schisandra
Species propinqua
Evidence Level: ★★★★☆

What are the morphological characteristics of this plant?

Schisandra propinqua has woody, climbing vines characterized by twining stems and opposite, ovate-to-elliptic leaves with entire margins. The foliage typically presents a glossy texture and a deep green coloration on the upper surface. During the flowering stage, the plant produces small, inconspicuous flowers that emerge from the leaf axils. These flowers eventually develop into aggregate fruits composed of numerous fleshy red schizocarps. Each small fruit segment contains a single seed, contributing to the distinctive cluster appearance of the mature reproductive structures.

Evidence Level: ★☆☆☆☆

What is the geographical distribution of this plant?

This plant is native to the temperate and subtropical regions of East Asia, specifically found within the mountainous landscapes of China, Japan, and the Korean Peninsula. It typically thrives in moist, shaded environments such as forest understories and thickets. The species prefers well-drained soils located at moderate elevations where humidity remains consistently high. Its presence is often tied to specific microclimates within deciduous or mixed forests. These geographical pockets allow the plant to flourish across its relatively narrow longitudinal range.

Evidence Level: ★☆☆☆☆

How is this plant cultivated?

This plant Schisandra chinensis, often referred to as Schisandra chinensis or Schisandra chinensis, requires well-drained, organic-rich soil and a temperate climate with moderate rainfall to thrive.

It is a deciduous woody vine that necessitates a sturdy support system, such as a trellis or arbor, to facilitate its climbing growth habit. Successful cultivation involves providing partial shade to protect the delicate leaves from intense midday sun. Regular watering is essential to maintain consistent moisture levels in the soil without causing waterlogging.

Once established, the plant produces small red berries that can be harvested for medicinal or culinary use.

Evidence Level: ★☆☆☆☆

What parts of this plant are used medicinally?

This plant Schisandra chinensis, also known as Schisandra chinensis, utilizes its woody stems and ripened fruit as the primary medicinal components. The dried fruits contain the highest concentration of active lignans used to support liver function and reduce stress. Practitioners often collect the vines to extract specific compounds that act as adaptogens for the body. These woody stems are processed carefully to ensure the medicinal properties remain stable for therapeutic use. Regular consumption of these parts can help improve mental clarity and physical stamina.

According to a study published by "Planta medica", the CHCl (3) extract from the stems of Schisandra propinqua (Wall.) Baill exhibited significant cytotoxic activity against cancer cell lines. Fractionation of this extract led to the isolation of four new dibenzocyclooctadiene lignans, propinquanins A - D, two known lignans, schisantherin I and heteroclitin A, and three known triterpenoids, isoschisandrolic acid, schisandrolic acid and schisandronic acid. Propinquanin B ( 2) was significantly cytotoxic with IC (50) values < 10 microM in HL-60 and Hep-G2 tumor cell lines. Cell cycle analysis and Hoechst 33 258 staining assay suggested that one possible mechanism of cytotoxic activity by 2 might be related to the induction of apoptosis.

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

  • stems
Evidence Level: ★★★☆☆

What traditional systems uses this plant?

This plant, Schisandra chinensis, has been utilized in traditional Chinese medicine for centuries to treat various ailments including fatigue, liver dysfunction, and respiratory issues.

Practitioners historically prepared the berries as a decoction or powder to balance the body's yin and yang energies. It was frequently classified as an adaptogen, meaning it was used to help the body resist physical and mental stressors. Ancient texts often highlight its ability to enhance stamina and support cognitive function during long periods of exertion.

This historical application laid the groundwork for its modern recognition in herbal supplement industries worldwide.

Evidence Level: ★☆☆☆☆

What are the pharmacological activities of Schisandra propinqua?

This plant has significant anticancer and cytotoxic activities derived from its unique bioactive compounds like schisandrin. These chemical constituents work by inhibiting the proliferation of various malignant cell lines in laboratory studies. The cytotoxic effects are particularly noted in its ability to induce apoptosis in cancer cells, effectively triggering programmed cell death. Furthermore, research indicates that the plant's lignans play a crucial role in disrupting the cell cycle of tumorous growth. These diverse pharmacological properties make Schisandra chinensis a subject of intense interest for developing new therapeutic agents.

According to a study published by "Chinese medicine", dibenzocyclooctadiene lignans derived from the Schisandra genus, including S. propinqua, have been traditionally used for their myriad health benefits and anticancer properties. An exhaustive literature search was performed using databases like PubMed/MedLine, Scopus, Web of Science, Embase, TRIP database and Google Scholar from 1980 to 2023. The anticancer effects of these compounds are primarily driven by their ability to trigger apoptosis, arrest the cell cycle, induce oxidative stress, modulate autophagy, and disrupt essential signaling pathways such as MAPK, PI3K/Akt, and NF-κB. These lignans have also been shown to amplify the impact of traditional chemotherapy treatments and target cancer stem cells to mitigate multi-drug resistance. The multi-targeted mechanistic approach of these agents makes them promising candidates for developing new therapeutic strategies in cancer management.

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

  • anticancer
  • cytotoxic activity
Evidence Level: ★★★☆☆

What medicinal compounds this plant contains?

This plant contains a diverse array of bioactive medicinal compounds including Propinuanin B, Schipropins A-J, Schisandrolic acid, Schisanndronic acid, and Schisantherin I. These specific lignans and diterpenoids contribute to the complex pharmacological profile of the species. Researchers study these individual elements to understand their potential therapeutic applications in medicine. The chemical diversity within the plant provides a rich source for developing new drug candidates. Each unique compound plays a role in the overall biological activity observed in the extract.

According to a study published by "Planta medica", the CHCl (3) extract from the stems of Schisandra propinqua (Wall.) Baill exhibited significant cytotoxic activity. Fractionation procedures led to the isolation of four new dibenzocyclooctadiene lignans, propinquanins A - D, two known lignans, schisantherin I and heteroclitin A, and three known triterpenoids, isoschisandrolic acid, schisandrolic acid and schisandronic acid. Propinquanin B (2) was significantly cytotoxic in HL-60 and Hep-G2 tumor cell lines with IC (50) values < 10 microM. One possible mechanism of cytotoxic activity by 2 might be related to the induction of apoptosis based on cell cycle analysis and Hoechst 33 258 staining assay.

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

  • Propinuanin B
  • Schipropins A-J
  • Schisanthrolic acid
  • Schisanidric acid
  • Schisantherin I
Evidence Level: ★★★☆☆

What health conditions is this plant used for?

This plant is used for managing various health conditions including cancer and the regulation of tumors. It is frequently studied in traditional medicine for its ability to support the immune system and potentially inhibit abnormal cell growth. Some researchers investigate its bioactive compounds to see how they might assist in preventing the progression of malignant cells. Additionally, its adaptogenic properties are thought to help the body cope with the physical stress caused by chronic illnesses. These medicinal applications highlight its role in supporting overall cellular health and recovery.

According to a study published by "Planta medica", the CHCl (3) extract from the stems of Schisandra propinqua exhibited significant cytotoxic activity against cancer cell lines. The isolated compound propinquanin B (2) was found to be significantly cytotoxic in HL-60 and Hep-G2 tumor cell lines. This specific activity was measured using an IC (50) value of less than 10 microM. Research involving cell cycle analysis and Hoechst 33 258 staining assay suggested that the mechanism of this cytotoxic activity might be related to the induction of apoptosis.

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

  • cancer
  • tumor
Evidence Level: ★★★☆☆

What are the herbal preparations of this plant?

This plant is Schisandra chinensis, a woody vine used to create medicinal herbal preparations like tinctures, decoctions, and the CHCl extract. These preparations are primarily utilized for their adaptogenic properties to help the body resist physical and mental stress. The CHCl extract specifically involves using chloroform to isolate certain active constituents from the dried berries. Traditional practitioners often combine these extracts into complex formulas to support liver function and enhance cognitive clarity. Regular use of these various forms is intended to promote overall homeostasis and vitality.

According to a study published by "Planta medica", the CHCl (3) extract from the stems of Schisandra propinqua exhibited significant cytotoxic activity against cancer cell lines. Fractionation of this extract led to the isolation of four new dibenzocyclooctadiene lignans, propinquanins A - D, two known lignans, schisantherin I and heterocliitin A, and three known triterpenoids, isoschisandrolic acid, schisandrolic acid and schisandronic acid. Among these, propinqanin B (2) was significantly cytotoxic in HL-60 and Hep-G2 tumor cell lines with IC50 values < 10 microM. Cell cycle analysis and Hoechst 33 258 staining assay suggested that one possible mechanism of cytotoxic activity by 2 might be related to the induction of apoptosis.

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

  • CHCl extract
Evidence Level: ★★★☆☆

What side effects this plant can have?

This plant can cause a wide range of adverse reactions including nausea, dizziness, insomnia, anxiety, agitation, headache, digestive upset, increased blood pressure, and palpitations. Individuals consuming Schisandra chinensis may experience significant gastrointestinal distress or neurological symptoms like persistent headaches. Some users report feeling mentally unsettled through increased feelings of anxiety or physical agitation. Changes in cardiovascular function, such as palpitations and elevated blood pressure, are also documented risks. Additionally, the stimulant-like properties of the plant can disrupt sleep patterns and lead to insomnia.

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

  • Nausea
  • Dizziness
  • Insomnia
  • Anxiety
  • Agitation
  • Headache
  • Digestive upset
  • Increased blood pressure
  • Palpitations
Evidence Level: ★☆☆☆☆

What herbs are paired with Schisandra propinqua?

This plant, Schisandra chinensis, is most effectively paired with Panax ginseng, Astragalus membranaceus, and Rehmannia glutinosa to enhance its adaptogenic and tonic properties.

Combining it with ginseng creates a powerful formula for boosting energy and mental focus. When paired with astragalus, the mixture works to strengthen the immune system and improve vital energy. Adding rehmannia helps to nourish the blood and support kidney function within traditional herbal frameworks.

These specific combinations are designed to balance the plant's astringent nature with other nourishing ingredients.

Evidence Level: ★☆☆☆☆