Mahonia napaulensis
What's the taxonomical classification of Mahonia napaulensis?
Mahonia napaulensis 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 resides in the order Ranunculales and is a member of the family Berberidaceae. Specifically, this plant is identified within the genus Mahonia, with its unique designation being the species napaulensis.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Ranunculales |
| Family | Berberidaceae |
| Genus | Mahonia |
| Species | napaulensis |
What are the morphological characteristics of this plant?
Mahonia napaulensis has leathery, evergreen leaves that are pinnately compound and feature several pairs of sharply spiny, serrated leaflets. The foliage typically exhibits a dark green coloration on the upper surface with a slightly paler underside. Small, bright yellow flowers emerge from the leaf axils in dense, upright clusters during the blooming season. These blossoms eventually give way to dark, glaucous blue berries that are borne on short stalks. The overall growth habit is a compact, woody shrub characterized by stiff, upright stems.
What is the geographical distribution of this plant?
This plant is endemic to the mountainous regions of Taiwan, specifically occurring within the high-altitude forests of the island. It is typically found growing in temperate zones where moist, shaded environments are prevalent. Its distribution is often restricted to specific elevations that provide the necessary cool climate and humidity. Because it is native only to this particular territory, it is considered a geographically limited species. This localized presence makes the plant a unique component of the Taiwanese montane ecosystem.
How is this plant cultivated?
This plant thrives in well-draining, acidic soil and requires partial shade to prevent its holly-like foliage from scorching in intense sunlight.
It prefers a consistent moisture level but must be protected from standing water to avoid root rot. Once established, the shrub is relatively drought-tolerant and can withstand various temperate climates. Pruning should be performed in late winter or early spring to maintain shape and encourage new growth.
Regular mulching helps regulate soil temperature and preserves necessary humidity around the root zone.
What parts of this plant are used medicinally?
This plant Mahonia napoleonsis provides medicinal benefits through the use of its bark and roots. These specific components contain various alkaloids that are utilized for their therapeutic properties. Practitioners often decoct the roots to treat inflammatory conditions or digestive issues. The bark is similarly processed to extract bioactive compounds used in traditional remedies. Together, these parts serve as the primary source of the species' pharmacological value.
According to a study published by "BMC complementary medicine and therapies", the methanol extract of Mahonia napaulensis DC. bark (MNBM) contains 38.00 ± 1.50 mg GAE g-1 dry sample as TPC and 35.04 ± 4.87 mg QE g-1 dry sample as TFC. This bark extract demonstrates a moderate antioxidant activity with a 212.97 μg/mL IC50 value (P < 0.05). The MNBM exhibits weak antimicrobial activity with MIC values of 100.22 mg/mL against S. aureus, 50.15 mg/mL against E. coli, and 25.08 mg/mL against C. albicans. It also shows no antibacterial effect against B. cereus and P. aeruginosa at 120 mg/mL. Regarding anticancer activity, the bark extract showed moderate results against human lung cancer cells A549 with a 228.97 μg/mL IC50 value and human cervical cancer cells HeLa with a 367.72 µg/mL IC50 value (P < 0.05).
The parts of this plant that are ued medicinally are shown in the list below.
- bark
- roots
What traditional systems uses this plant?
This plant, Mahonia napaulensis, has been utilized in traditional medicinal practices by indigenous groups in South America to treat various ailments such as digestive issues and skin inflammations.
The botanical species is primarily valued for its bioactive compounds which are extracted from its leaves and stems through decoctions. These historical preparations were often administered to alleviate symptoms of systemic infections or to promote wound healing. Local knowledge regarding its specific dosage and seasonal harvesting has been passed down through generations within these communities.
Such traditional applications highlight the plant's long-standing role in regional ethnobotanical heritage.
What are the pharmacological activities of Mahonia napaulensis?
This plant has antibacterial, anticancer, antifungal, antimicrobial, and antioxidant pharmacological activities driven by its unique secondary metabolites. Its potent antimicrobial properties allow it to inhibit the growth of various harmful pathogens effectively. Research indicates that specific compounds within the plant exhibit significant antifungal capabilities against diverse fungal strains. Furthermore, the plant demonstrates antioxidant potential by neutralizing free radicals to prevent cellular damage. Studies also highlight its anticancer activities, suggesting it may play a role in inhibiting tumor cell proliferation.
According to a study published by "BMC complementary medicine and therapies", the methanol extract of Mahonia napaulensis DC. bark contains 38.00 ± 1.50 mg GAE g-1 as total phenolic content and 35.04 ± 4.87 mg QE g-1 as total flavonoid content. It demonstrates moderate antioxidant activity with a 212.97 μg/mL IC50 value (P < 0.05). The plant shows weak antimicrobial activity with minimal inhibitory concentration values of 100.22 mg/mL against S. aureus, 50.15 mg/mL against E. coli, and 25.08 mg/mL against C. albicans, though it showed no antibacterial effect against B. cereus and P. aeruginosa at 120 mg/mL. Furthermore, it exhibits moderate anticancer activity against human lung cancer cells A549 with a 228.97 μg/mL IC50 value and human cervical cancer cells HeLa with a 367.72 µg/mL IC50 value (P < 0.05). These activities are attributed to various phytochemicals and anticancer compounds such as dihydroberberine, d-berbamine, (S)-glaucine, protopine, grosheimin, mycophenolic acid, berberine, and alpha-linolenic acid.
The primary pharmacological activities of this plant are shown in the list below.
- antibacterial
- anticancer
- antifungal
- antimicrobial
- antioxidant
What medicinal compounds this plant contains?
This plant contains the alkaloid medicinal compounds berberine, palmatine, jatrorrhizine, grosehieimine, and magnoflorine. These specific isoquinoline alkaloids are primarily concentrated within the roots and rhizomes of the species. Research suggests that these chemical constituents contribute to the plant's diverse pharmacological activities, including antimicrobial and anti-inflammatory properties. The presence of berberine and palmatine is particularly notable for their potential roles in metabolic regulation. Scientists continue to study the synergistic effects of these combined compounds to better understand their therapeutic value.
According to a study published by "BMC complementary medicine and therapies", the methanol extract of Mahonia napaulensis DC. bark contains various phytochemicals including alkaloids, steroids, glycosides, polyphenols, tannins, flavonoids, coumarins, terpenoids, and quinones. The extract showed a total phenolic content of 38.00 ± 1.50 mg GAE g-1 dry sample and a total flavonoid content of 35.04 ± 4.87 mg QE g-1 dry sample. It demonstrated moderate antioxidant activity with a 212.97 μg/mL IC50 value and weak antimicrobial activity with MIC values of 100.22 mg/mL against S. aureus, 50.15 mg/mL against E. coli, and 25.08 mg/mL against C. albicans. The moderate anticancer activity was observed against human lung cancer cells A549 with a 228.97 μg/mL IC50 value and human cervical cancer cells HeLa with a 367.72 μg/mL IC50 value. LC-MS/MS analysis identified anticancer compounds such as dihydroberberine, d-berberine, (S)-glaucine, protopine, grosheimin, mycophenolic acid, berberine, and alpha-linolenic acid.
The primary medicinal compounds of this plant are shown in the list below.
- berberine
- d-berbamine
- jatrorrhizine
- palmatine
- tetrahydroberberine
What health conditions is this plant used for?
This plant is used for treating various forms of cancer, specifically including human cervical cancer and human lung cancer. Researchers study its bioactive compounds to determine how they might inhibit the growth of malignant cells. These chemical properties suggest a potential role in managing cellular abnormalities within the respiratory and reproductive systems. Scientific investigations continue to explore the effectiveness of its extracts against these specific oncological conditions.
According to a study published by "BMC complementary medicine and therapies", Mahonia napaulensis DC. bark methanol extract shows moderate antioxidant activity with a 212.97 μg/mL IC50 value. The extract demonstrates weak antimicrobial activity with minimal inhibitory concentration values of 100.22 mg/mL against S. aureus, 50.15 mg/mL against E. coli, and 25.08 mg/mL against C. albicans. It exhibited no antibacterial effect against B. cereus and P. aeruginosa at 120 mg/mL. Regarding anticancer activity, the plant showed moderate effects against human lung cancer cells A549 with a 228.97 μg/mL IC50 value and human cervical cancer cells HeLa with a 367.72 µg/mL IC50 value. These biological activities are attributed to various phytochemicals and anticancer compounds.
The main health conditions this plant is used for are shown in the list below.
- cancer
- human cervical cancer
- human lung cancer
What are the herbal preparations of this plant?
This plant is Mahonia napaulensis, which is utilized to create medicinal herbal preparations such as methanol extract for its bioactive properties. These preparations are primarily valued for their high concentration of isoquinoline alkaloids. Researchers often use the methanol extract to study the plant's potential antimicrobial and anti-inflammatory activities. The extraction process helps isolate specific chemical constituents that are difficult to obtain through simple aqueous methods. This method ensures a potent concentration of compounds suitable for pharmacological investigation.
According to a study published by "BMC complementary medicine and therapies", the methanol extract of Mahonia napaulensis DC. bark showed 38.00 ± 1.50 mg GAE g-1 dry sample as total phenolic content and 35.04 ± 4.87 mg QE g-1 dry sample as total flavonoid content. This extract demonstrated moderate antioxidant activity with a 212.97 μg/mL IC50 value. It exhibited weak antimicrobial activity with minimal inhibitory concentration values of 100.22 mg/mL against S. aureus, 50.15 mg/mL against E. coli, and 25.08 mg/mL against C. albicans, though it showed no antibacterial effect against B. cereus and P. aeruginosa at 120 mg/mL. The plant also showed moderate anticancer activity against human lung cancer cells A549 with a 228.97 μg/mL IC50 value and human cervical cancer cells HeLa with a 367.72 μg/mL IC50 value.
The main herbal preparations of this plant are shown in the list below.
- methanol extract
What side effects this plant can have?
This plant can cause gastrointestinal distress, skin irritation, and potential allergic reactions when consumed or applied topically. The alkaloids present in the plant may lead to symptoms such as stomach cramps, nausea, or diarrhea in sensitive individuals. When the plant comes into direct contact with the skin, it can trigger redness, itching, or localized dermatitis. Some people may also experience more severe hypersensitivity reactions if they have a pre-existing allergy to similar botanical species. Monitoring these physiological responses is essential for anyone considering the use of this specific shrub.
The main side effects this plant can have are shown in the list below.
What herbs are paired with Mahonia napaulensis?
This plant pairs optimally with bitter and astringent herbs such as dandelion root, gentian, and wormwood to enhance its tonic properties.
These combinations are frequently used in traditional herbalism to support digestive health and liver function. Pairing Mahonia napoleana with citrus peel can help balance its intense bitterness with subtle aromatic notes. Some practitioners also mix it with cleansing herbs like burdock root to create a more robust detoxification formula.
Utilizing these specific botanical partners allows for a more complex and effective medicinal profile.