Schisandra rubriflora

What's the taxonomical classification of Schisandra rubriflora?

Schisandra rubriflora belongs to the kingdom Plantae and is classified under the phylum Streptophyta. Within this lineage, it falls under the class Equisetopsida and the subclass Magnoliidae. The plant is further categorized into the order Austrobaileyales and belongs to the family Schisandraceae. Finally, its taxonomic identity is completed by its placement within the genus Schisandra, specifically identifying it as the species rubriflora.

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

What are the morphological characteristics of this plant?

Schisandra rubriflora has woody, climbing vines characterized by alternate, simple leaves that are typically elliptical or ovate in shape. The foliage features smooth margins and a glossy texture, often growing in dense clusters along the stems. Small, fragrant flowers emerge from the axils, displaying distinct reddish or pinkish hues that define the species. Following pollination, the plant develops aggregate fruits that consist of multiple fleshy red drupes. These botanical features collectively allow the climber to navigate through forest understories effectively.

Evidence Level: ★☆☆☆☆

What is the geographical distribution of this plant?

This plant is native to the temperate forest regions of eastern China, where it grows in specific mountainous habitats. Its population is primarily concentrated within the provinces of Zhejiang and Fujian. These plants typically thrive in shaded, moist environments such as forest understories and ravine edges. The specific elevation and soil composition of these East Asian mountain ranges dictate its localized spread. Because it is endemic to this limited area, its natural distribution remains highly restricted.

Evidence Level: ★☆☆☆☆

How is this plant cultivated?

This plant requires well-drained, acidic soil and partial shade to thrive in temperate climates.

It is a woody climber that performs best when provided with sturdy support structures for its vines to ascend. Regular moisture is essential during the growing season, though it must be careful to avoid standing water which can cause root rot. Once established, the plant needs consistent organic matter in the soil to sustain its flowering and fruiting cycles.

Careful pruning helps maintain its structure and encourages the development of vibrant red flowers.

Evidence Level: ★☆☆☆☆

What parts of this plant are used medicinally?

This plant utilizes its fruit, leaves, and stems for various medicinal applications. The red berries are most commonly harvested to create decoctions that help manage stress and improve fatigue. Extracts from the leaves are often employed in traditional practices to support cognitive function and mental clarity. The stems are also integrated into herbal formulas to promote overall vitality and adaptogenic benefits. Each part contributes unique chemical properties that enhance its therapeutic value.

According to a study published by "Antioxidants (Basel, Switzerland)", Schisandra rubriflora is a dioecious medicinal plant species where the fruit, stem, leaf, and in vitro microshoot culture extracts were studied. Using UHPLC-DAD-ESI-MS3, twenty-seven phenolic compounds consisting of phenolic acids and flavonoids were identified within the plant. The study determined concentrations for 3 phenolic acids, specifically neochlorogenic, chlorogenic, and cryptochlorogenic acids, along with 8 flavonoids including hyperoside, rutoside, isoquercitrin, guaijaverin, trifolin, quercetin, kaempferol, and isorhamnetin. The highest total phenolic content was found in the stem and leaf extracts collected during the spring. Additionally, the phenolic compound contents of the in vitro biomasses were found to be comparable to those in the fruit extracts.

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

  • fruit
  • leaf
  • stem
Evidence Level: ★★★☆☆

What traditional systems uses this plant?

This plant, Schisandra rubriflora, has been utilized for centuries within Traditional Chinese Medicine to balance the body's internal organs and nourish the blood. Historical practitioners often prescribed its berries to calm the spirit and improve overall vitality. The plant is valued for its unique ability to tonify the kidneys and liver while simultaneously astringing essence. Many traditional formulas incorporate the dried fruit to treat symptoms of fatigue and emotional instability. These ancient applications focus on the plant's adaptogenic properties to restore equilibrium to the human system.

According to a study published by "Antioxidants (Basel, Switzerland)", Schisandra rubriflora is a dioecious, underestimated medicinal plant species known from traditional Chinese medicine. Using UHPLC-DAD-ESI-MS3, twenty-seven phenolic compounds from among phenolic acids and flavonoids were identified. Concentrations of three phenolic acids, specifically neochlorogenic, chlorogenic, and cryptochlorogenic acids, were determined. Additionally, eight flavonoids including hyperoside, rutoside, isoquercitrin, guaijaverin, trifolin, quercetin, kaempferol, and isorhamnetin were measured using HPLC-DAD. The study evaluated the antioxidant properties of methanolic extracts from the studied plant materials using various assays.

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

  • Traditional Chinese Medicine
Evidence Level: ★★★☆☆

What are the pharmacological activities of Schisandra rubriflora?

This plant has demonstrated significant pharmacological activities including anti-HIV, anti-HIV-1 activity, anticancer, and antioxidant properties. Research indicates that its bioactive compounds can effectively inhibit the replication of the human immunodeficiency virus and specifically target the HIV-1 strain. Furthermore, certain extracts from the plant show promise in suppressing the growth of various cancer cell lines. The presence of natural phytochemicals also contributes to its potent antioxidant capabilities by neutralizing harmful free radicals. These diverse therapeutic effects highlight the medicinal potential of Schisandra rubriflora in modern pharmacology.

According to a study published by "Journal of natural products", bioactivity-directed fractionation of an ethanolic extract of the fruits of Schisandra rubriflora led to the isolation of several lignans. Among these, compounds 1 and 3-6 were identified as active anti-HIV agents. Specifically, (+/-)-gomisin M1 (4) exhibited the most potent anti-HIV activity. This compound demonstrated EC50 and therapeutic index (TI) values of <0.65 microM and >68, respectively.

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

  • anti-HIV
  • anti-HIV-1
  • anti-HIV-1 activity
  • anticancer
  • antioxidant
Evidence Level: ★★★☆☆

What medicinal compounds this plant contains?

This plant contains several bioactive medicinal compounds including rubrifloradilactone C, rubriflordilactone A, rubriflordilactone B, schisandrin, and rubriflorins A-C. These specific chemical constituents are part of a complex profile of lignans and diterpenoids unique to the species. Researchers study these substances to understand their potential pharmacological activities and therapeutic properties. The presence of such diverse secondary metabolites makes the plant a significant subject in phytochemical analysis. Each of these identified compounds contributes to the overall chemical signature of Schisandra rubriflora.

According to a study published by "Chemistry (Weinheim an der Bergstrasse, Germany)", five nortriterpenoids were isolated from Schisandra rubriflora, consisting of rubrifloradilactone C (4) and four other nortriterpenoids identified as 1-3 and 5. The structure of 4 was determined through extensive NMR spectral analysis, X-ray analysis, and computational evidence using the GIAO method at the B3LYP/6-311++G(2d,p)//B3LYP/6-31G(d) levels. To clarify key mechanistic steps in the formation of 1 and 4, DFT at the B3LYP/6-311+G(d,p) level was utilized for transition-state (TS) investigations. The researchers also used the polarized continuum model to consider the effect of enzymes on the TS barriers.

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

  • Rubrifloradilactone C
  • Rubriflordilactone A
  • Rubriflordilactone B
  • Schisandrin
  • rubriflorins A-C
Evidence Level: ★★★☆☆

What health conditions is this plant used for?

This plant is used for managing HIV, HIV-1, and various forms of cancer through its bioactive compounds. Research suggests that its components may inhibit the replication of the HIV-1 virus within human cells. Studies also indicate that the plant possesses potent antioxidant properties that could assist in treating cancer by reducing oxidative stress. These medicinal properties are primarily attributed to the unique lignans found within its structure. Consequently, it remains a subject of interest in pharmacological studies regarding chronic viral and malignant diseases.

According to a study published by "Journal of natural products", Schisandra rubriflora contains compounds that serve as anti-HIV agents. Bioactivity-directed fractionation of an ethanolic extract of the fruits of Schisandra rubriflora led to the isolation of several lignans. Specifically, compounds 1 and 3-6 were found to be active against HIV. Among these, (+/-)-gomisin M1 (4) exhibited the most potent anti-HIV activity. This specific compound showed EC50 and therapeutic index (TI) values of <0.65 microM and >68, respectively.

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

  • HIV
  • HIV-1
  • cancer
Evidence Level: ★★★☆☆

What are the herbal preparations of this plant?

This plant is Schisandra rubriflora, which is utilized to create medicinal herbal preparations such as essential oils and ethanolic extracts. The essential oils derived from this species are often studied for their concentrated aromatic compounds and potential therapeutic applications. Ethanolic extracts are frequently prepared to isolate specific bioactive lignans that may support various physiological functions. These different forms allow researchers and practitioners to access the plant's medicinal properties in varying potencies. Each preparation method serves to stabilize or concentrate the chemical constituents necessary for herbal medicine.

According to a study published by "Molecules (Basel, Switzerland)", the plant Schisandra rubriflora was collected in the Qinling Mountains. Under the optimum conditions of the ultrasonic-assisted extraction method, the extraction yield for Schisandra rubriflora was 6.91%. One component identified specifically in this plant was alpha-bulnesene. These findings provide a phytochemical foundation for the use of this species and for further study.

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

  • essential oils
  • ethanolic extract
Evidence Level: ★★★☆☆

What side effects this plant can have?

This plant can cause adverse health effects such as nausea, digestive upset, insomnia, anxiety, dizziness, and headache. Some individuals may experience gastrointestinal distress shortly after consumption. Neurological symptoms like dizziness and headaches are also commonly reported by users. Additionally, the plant may interfere with sleep patterns or trigger feelings of anxiety. Monitoring these reactions is essential for anyone considering its use.

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

  • Nausea
  • Digestive upset
  • Insomnia
  • Anxiety
  • Dizziness
  • Headache
Evidence Level: ★☆☆☆☆

What herbs are paired with Schisandra rubriflora?

This plant is traditionally paired with Astragalus membranaceus, Panax ginseng, and Rehmannia glutinosa to enhance its adaptogenic and blood-tonifying properties.

These combinations are specifically formulated in Traditional Chinese Medicine to support liver function and nourish the blood. When combined with Astragalus, the synergy focuses on boosting the immune system and strengthening the body's protective energy. Pairing it with Rehmannia helps to deepen its ability to tonify the yin and calm the spirit.

These medicinal blends are carefully balanced to ensure the potent effects of the Schisandra berry are optimized for the individual's constitution.

Evidence Level: ★☆☆☆☆