Ligustrum lucidum
What's the taxonomical classification of Ligustrum lucidum?
Ligustrum lucidum belongs to the kingdom Plantae and is classified within the phylum Streptophyta. Moving through its hierarchical lineage, it is categorized under the class Equisetopsida and the subclass Magnoliidae. Within the order Lamiales, it is a member of the family Oleaceae. Finally, its specific taxonomic identity is defined by the genus Ligustrum and the species lucidum.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Lamiales |
| Family | Oleaceae |
| Genus | Ligustrum |
| Species | lucidum |
What are the morphological characteristics of this plant?
Ligustrum lucidum has elliptical, dark green, leathery leaves that measure between 5 and 15 centimeters in length and possess smooth margins with a glossy upper surface. These evergreen leaves are arranged oppositely along woody, greyish-brown stems. The plant produces dense, terminal panicles of small, creamy-white, fragrant flowers during the summer months. Following flowering, it develops small, ovoid, dark purple to black drupes that are highly attractive to birds. The overall structure of the shrub or tree can reach heights of up to 10 meters, featuring a spreading canopy and multiple branching stems.
What is the geographical distribution of this plant?
This plant is native to East Asia, specifically spanning across China, Japan, Korea, and Taiwan. It thrives in subtropical and temperate forest environments within these primary regions. Due to its resilience, it has been introduced to many other parts of the world as an ornamental species. In several areas, particularly in parts of North America and Australia, it has escaped cultivation and become an invasive species. Its wide distribution is facilitated by its ability to adapt to various soil types and climates.
How is this plant cultivated?
This plant requires well-drained soil, full sun to partial shade, and consistent moisture to thrive during its establishment phase.
It is a fast-growing evergreen that can tolerate various soil types as long as they do not remain waterlogged. Regular pruning is often necessary to control its size and maintain a desired shape in garden settings. Because it spreads easily via bird-dispersed seeds, careful monitoring is required to prevent it from becoming invasive in non-native environments.
Proper mulching helps retain the necessary soil moisture and suppresses competing weeds around the base.
What parts of this plant are used medicinally?
This plant Ligustrum lucidum provides medicinal value through its leaf, fruit, seed, stem, and mesocarp. The leaves are often prepared as decoctions to treat various inflammatory conditions and skin ailments. Within the fruit, the mesocarp and the contained seeds are utilized for their potential pharmacological properties in traditional remedies. Additionally, the stem can be processed to extract components used in specific herbal formulations. These various parts collectively contribute to the plant's diverse applications in natural medicine.
According to a study published by "Journal of AOAC International", Ligustri Lucidi Fructus (LLF), which is the dried fruit of Ligustrum lucidum Ait. (LLA), is used as a traditional Chinese medicine for nourishing the liver and the kidney. A total of 37 compounds were identified from 3 different plant parts by UPLC-QTOF-MS/MS combined with UNIFI v1.8.1 software. Eleven compounds were identified as markers through the chemical characterization of the leaf, stem, and fruit. The content of loganate, secologanoside, nuzhenal C, luteolin, iso-oleonuezhenide, and dammarenediol-II was very much higher in the fruit than in the leaf and stem. Additionally, the content of oleanolic acid was higher in the fruit and stem than in the leaf.
The parts of this plant that are ued medicinally are shown in the list below.
- leaf
- fruit
- seed
- stem
- mesocarp
What traditional systems uses this plant?
This plant, known as Chinese Privet, has been utilized within Traditional Chinese Medicine for centuries to treat various ailments related to the liver and kidneys. Practitioners traditionally use the bark, leaves, or fruits to formulate decoctions aimed at clearing heat and promoting blood circulation. In many historical contexts, the plant was also valued for its perceived ability to support vision and strengthen the skeletal system. Beyond medicinal applications, some regional traditions employed its properties to address inflammatory conditions and skin issues. These historical uses reflect a long-standing reliance on the botanical's bioactive components in ancient healing practices.
According to a study published by "International journal of oncology", Ligustrum lucidum Ait (fruit) is one of nine herbs used in the Equiguard dietary supplement. This proprietary product is formulated according to Chinese traditional medicinal concepts. The formulation is aimed at restoring harmony in the primordial (original) ying-yang of the kidney. This organ is considered vital for invigorating and maintaining the balance of the entire urological system.
The hystorical systems that uses this plant are shown in the list below.
- Traditional Chinese Medicine
What are the pharmacological activities of Ligustrum lucidum?
This plant has diverse pharmacological activities including anti-inflammatory, anti-oxidant, hepatoprotective, anti-osteoporotic, and immune-modulatory properties. Its potent antioxidant capabilities help neutralize free radicals to prevent cellular damage caused by oxidative stress. The plant also exhibits hepatoprotective effects that support liver function and protect against chemical or toxin-induced injury. Additionally, its anti-inflammatory and immune-modulatory actions assist in regulating the body's natural defense mechanisms and reducing swelling. Research further suggests that its anti-osteoporotic properties may contribute to maintaining bone density and skeletal health.
According to a study published by "Fitoterapia", the bioactive iridoid terpenoid compound specnuezhenide is mainly found in Ligustri Lucidi Fructus (LLF). This compound possesses a broad spectrum of pharmacological effects, including anti-neoplastic, hepatoprotective, anti-aging, anti-inflammatory, and immune-modulatory properties. Specnuezhenide plays an anti-inflammatory role by regulating the NF-κB and MAPK signaling pathways and down-regulating the expression of TNF-α, IL-1β, and IL-6. Due to its distribution in the stomach, intestine, and liver, it holds immense potential in the prevention and treatment of liver, lung, and kidney complications.
The primary pharmacological activities of this plant are shown in the list below.
- anti-inflammatory
- anti-oxidant
- hepatoprotective
- immune-modulatory
- anti-osteoporotic
What medicinal compounds this plant contains?
This plant contains the medicinal compounds ligustroside, lucidumoside A, lucidumoside B, nuezhenide, and oleuropein. These bioactive constituents are primarily responsible for the diverse pharmacological activities attributed to the species. Specifically, the presence of secoiridoids like oleuropein contributes to significant antioxidant and anti-inflammatory properties. The unique glycosides such as lucidumoside A and B play critical roles in the plant's traditional therapeutic applications. Research into these specific molecules continues to explore their potential for treating various metabolic and inflammatory conditions.
According to a study published by "Phytochemistry", two secoiriidoid glucosides, lucidumosides A and B, were isolated from the fruits of Ligustrum lucidum. In addition to these, six known glucosides were identified from the plant, which include oleoside dimethyl ester, ligustroside, oleuropein, nuezhenide, isonuezhenide, and neonuezhenide. These eight total compounds were isolated specifically from the fruits of Ligustrum lucidum. The structures of these constituents were elucidated using spectroscopic methods.
The primary medicinal compounds of this plant are shown in the list below.
- ursolic acid
- oleanolic acid
- specnuezhenide
- ligustroside
- lucidumosides A
What health conditions is this plant used for?
This plant is used for treating liver injury, liver damage, inflammation, oxidative stress, and infections caused by the hepatitis C virus. Its bioactive compounds work to reduce cellular inflammation throughout the body. These properties specifically help to mitigate the harmful effects of oxidative stress on hepatic tissues. By protecting vital cells, the plant serves as a potential therapeutic agent against various forms of liver damage. It is also being studied for its ability to combat the progression of the hepatitis C virus.
According to a study published by "Journal of separation science", Ligustrum lucidum Ait. has the effects of nourishing liver and kidney. The study utilized network pharmacology to illuminate its potential mechanism of treatment for liver injury. Through 399 targets, the target components regulate 220 pathways. Furthermore, docking results showed that 36 key target components were closely related to liver injury. A total of 73 prototype constituents and 148 metabolites were identified or characterized in administered plasma.
The main health conditions this plant is used for are shown in the list below.
- liver damage
- liver injury
- liver protection
- oxidative stress
- inflammation
What are the herbal preparations of this plant?
This plant is processed into various medicinal forms including ethyl acetate extract, alcohol-extraction, aqueous extracts, compound shenzhutiaozhi capsule, and tea. Researchers utilize alcohol-extraction and aqueous extracts to isolate specific bioactive compounds for therapeutic study. The ethyl acetate extract is particularly significant for concentrating certain phytochemicals used in pharmacological research. In traditional and modern clinical applications, the plant is also formulated into the compound shenzhutiaozhi capsule for standardized dosing. Additionally, simple tea preparations offer a traditional method for consuming the botanical properties of the leaves and flowers.
According to a study published by "Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials", the ethyl acetate extract of Zhi Ju Zi was used to study the effect of hepatic fibrosis. After treatment with the extract, the level of HA was apparently decreased with a P < 0.05. The level of LN wasn't apparently different with the Colchicin group with a P > 0.05. The expression of TGF-beta1 was also apparently decreased with a P < 0.05. The conclusion states that the ethyl acetate extract of Zhi Ju Zi can effectively decrease the level of serum markers of hepatic fibrosis and the expression of TGF-beta1.
The main herbal preparations of this plant are shown in the list below.
- Ethyl Acetate Extract
- alcohol-extraction
- aqueous extracts
- compound shenzhutiaozhi capsule
- tea
What side effects this plant can have?
This plant can be used in traditional medicine to blacken hair, improve vision, and tonify the kidney. Consuming preparations from the plant is believed to restore natural pigment to graying hair follicles. Its properties are also thought to support ocular health and enhance visual clarity. Furthermore, it serves as a restorative agent to strengthen kidney function and overall vitality. These therapeutic applications are rooted in long-standing herbal practices.
According to a study published by "Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica", the sun-dried mature fruit of Ligustrum lucidum is cool, plain, sweet, and bitter. This fruit can be used as both food and medicine to improve vision, black hair, and tonify the liver and kidney. The medicinal effects of the plant take effect slowly. The complete chloroplast genome of L. lucidum was found to be 162 162 bp in size. This genome possesses a circular quadripartite structure consisting of two single-copy regions separated by a pair of inverted repeats.
The main side effects this plant can have are shown in the list below.
- blacking hair
- improving vision
- tonifying kidney
What herbs are paired with Ligustrum lucidum?
This plant Ligustrum lucidum is frequently paired with medicinal herbs such as ginger, peppermint, and lemon balm to enhance its therapeutic properties in traditional decoctions.
These combinations are often utilized to balance the plant's astringent qualities and improve the overall flavor profile of herbal teas. Adding ginger can provide a warming effect that complements the cooling nature of the leaves. Peppermint and lemon balm are common additions that help to mask any bitter undertones present in the infusion.
Such pairings are carefully selected to support digestive health or to soothe respiratory discomfort.