Camellia oleifera
Camellia oleifera · Accepted scientific name
Scientific literature: Very Sparse (2 studies) · ★☆☆☆☆
Camellia oleifera is a versatile plant whose various parts, including the seeds, flowers, stems, and fruits, possess significant therapeutic potential. Research highlights that its defatted seeds, oil, and ethanol extracts contain bioactive compounds such as (-)-medioresinol, (-)-pinoresinol, Camellioferin A, and various flavonoids. These chemical constituents contribute to a wide range of biological activities, most notably antioxidant, antiviral, cytotoxic, and gastroprotective effects. Furthermore, the plant shows great promise in managing metabolic conditions such as dyslipidemia and hyperlipidemia. Through these diverse preparations, Camellia oleifera stands out as a rich source of medicinal value.
- Synonyms
- Theaphylla Oleifera · Camellia Drupifera F. Biflora · 9 more
- Common names
- Not available
- Family
- Theaceae
- Distribution
- Not available
- Plant Parts
- Seed · Flower
Classification
Common Names
Camellia oleifera is a versatile plant known by a variety of names across different cultures and languages. In many English-speaking regions, it is frequently referred to as the Tea-oil Camellia due to its valuable seeds. It also carries the Japanese name abura-tsubaki, reflecting its traditional significance in East Asian botanical history. In Central and Eastern Europe, you may encounter it identified as Aliejinė kamelija or kamélia olejná. Finally, its descriptive Czech names, such as kamélie olejodárná, highlight the plant's primary purpose as a source of oil.
Sources: Catalogue of Life (COL)
Synonyms
Camellia oleifera is a complex species known to be associated with several distinct botanical synonyms. Taxonomists have frequently identified this plant under various names, including Camellia banksiana and Camellia biflora. It has also been referred to in scientific literature as Camellia drupifera f. biflora and Camellia obscura. Furthermore, the designation Camellia podogyna has been used to describe specimens belonging to this group. Understanding these overlapping relationships is essential for accurate identification within the genus.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Camellia oleifera is a fascinating specimen that belongs to the diverse kingdom Plantae. Within this vast biological realm, the plant is specifically classified under the class Equisetopsida. It further resides in the order Ericales, showcasing its unique evolutionary connections. As a member of the Theaceae family, it shares structural traits with many other well-known flowering plants. Ultimately, this species is defined by its placement within the prestigious genus Camellia.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Ericales |
| Family | Theaceae |
| Genus | Camellia |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Camellia oleifera exhibits a diverse geographical presence across several key regions of Asia. Within China, the species is widely distributed, spanning from the North-Central and South-Central provinces to the Southeast. Its reach also extends to the tropical environment of Hainan island. Beyond Chinese borders, the plant finds a suitable habitat within the temperate zones of the Asian continent. Additionally, it thrives in the tropical climate of the Indian Subcontinent, specifically within the Assam region.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Camellia oleifera is a self-supporting plant that typically adopts a shrub-like growth form. It reaches a maximum height of approximately 4 meters as it matures. This compact stature makes it a versatile addition to various landscapes.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Camellia oleifera is a plant species that demonstrates significant therapeutic potential through its diverse bioactive compounds. Research into the roots of the plant has led to the isolation of triterpenoid saponins, such as oleiferosides, which exhibit notable cytotoxic activity against various human tumor cell lines. Furthermore, extracts derived from the flower buds have been found to provide essential gastroprotective effects by inhibiting gastric mucosal lesions. These protective qualities are linked to specific acylated oleanane-type triterpene oligoglycosides known as yuchasaponins. Together, these findings highlight the multifaceted medicinal value of Camellia oleifera in both oncology and digestive health.
Compounds
Camellia oleifera is a versatile plant valued for both its medicinal properties and its use in edible oil production. The fruit is abundant in diverse bioactive compounds, most notably containing flavonoids, lignans, and fatty acids. Research has also identified specific specialized constituents within the plant, such as the dimeric ellagitannin Camellioferin A. Furthermore, the stem of the plant has been found to yield unique chemical structures, including medioresinol. Together, these various components contribute to the plant's wide range of pharmacological effects, including anti-inflammatory and antioxidant activities.
Conditions
Camellia oleifera exhibits significant medicinal properties, including the ability to scavenge the 1,1-diphenylpicryl-2-hydrazyl radical. Extracts from the plant's roots contain triterpenoid saponins that demonstrate cytotoxic activity against human tumor cell lines such as A549, B16, and BEL-7402. Furthermore, the seed oil of the plant plays a critical role in metabolic health by reducing levels of LDL in the serum. These diverse biological activities highlight the plant's capacity to treat various radical, cellular, and lipid-related physiological concerns.
Preparations
Camellia oleifera is prepared as defatted seeds, which serve as a source for isolating novel triterpenoid saponins like oleiferasaponin A₂ and neuroprotective sapogenins. This plant is also prepared as an oil, representing one of its most valuable and appreciated subproducts. Researchers have utilized Camellia oleifera prepared as an EtOH extract of its roots to isolate cytotoxic triterpenoid glycosides. Furthermore, the plant is prepared as residues of C. oleifera defatted seeds, from which total flavonoids have been extracted to alleviate lung injury. Finally, Camellia oleifera is prepared as seed cake, a biowaste product from which various compounds with antioxidant and antimelanogenic activities can be isolated.
Parts used
Camellia oleifera is a versatile medicinal and edible plant that contains a wide array of bioactive compounds across its various morphological structures. The seeds are a significant source of antioxidant, anti-inflammatory, and anti-hyperlipidemic agents, such as flavonoids and unique triterpenoid saponins. Research into the flowers and flower buds has revealed high concentrations of flavonoids and yuchasaponins, which offer gastroprotective and radical scavenging benefits. Furthermore, the stem and fruit of the plant serve as reservoirs for diverse chemical constituents, including lignans and various saponins that support cardiovascular and neuroprotective functions. Finally, the roots have been found to yield potent cytotoxic triterpenoid glycosides that exhibit significant activity against several human tumor cell lines.