Morinda citrifolia
What's the taxonomical classification of Morinda citrifolia?
Morinda citrifolia 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. Moving through its hierarchical classification, it falls under the order Gentianales and is a member of the family Rubiaceae. Finally, its specific taxonomic identity is defined by the genus Morinda and the species citrifolia.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Gentianales |
| Family | Rubiaceae |
| Genus | Morinda |
| Species | citrifolia |
What are the morphological characteristics of this plant?
Morinda citrifolia has evergreen, woody leaves that are typically oval or elliptical in shape, measuring between 10 and 25 centimeters in length with smooth, glossy surfaces and prominent veins. The plant features a multi-branched shrub or small tree structure with grayish-brown bark and a dense canopy. Small, white, tubular flowers emerge from the leaf axils in clusters, often possessing a distinctively fragrant scent. The most notable feature is the syncarp fruit, which is a fleshy, multiple fruit that transitions from green to a translucent yellowish-white as it matures. This fruit is covered in small, protruding scars left by former flower parts, giving it a bumpy texture.
What is the geographical distribution of this plant?
This plant is native to the tropical regions of Southeast Asia, the Pacific Islands, and parts of Australia. It thrives in warm, humid climates where it can spread easily through coastal areas and lowlands. Because it is highly adaptable, it has been introduced to many other tropical zones around the world, including the Caribbean and parts of Africa. The species often grows in sandy soils or near shorelines where sea breezes are frequent. Its ability to tolerate various environmental conditions allows it to colonize diverse island ecosystems globally.
How is this plant cultivated?
This plant thrives in tropical and subtropical climates where it requires well-draining soil, consistent moisture, and temperatures above 60 degrees Fahrenheit.
Growers should plant it in full sun to partial shade to ensure vigorous leaf production and fruit development. Frequent watering is necessary during the establishment phase, though the root system can tolerate some drought once mature. Regular fertilization with organic matter helps sustain the nutrient demands of the large, glossy leaves.
Proper spacing between shrubs prevents fungal issues by allowing sufficient airflow around the dense foliage.
What parts of this plant are used medicinally?
This plant provides medicinal benefits through its bark, flowers, fruit, leaves, and roots. The fruit is most commonly used to treat infections and boost the immune system. Extracts from the bark and roots are often applied to manage inflammation or skin issues. The leaves can be crushed into poultices to soothe topical ailments. Additionally, the flowers are utilized in various traditional remedies to support overall wellness.
According to a study published by "Integrative cancer therapies", Morinda citrifolia is a significant traditional Polynesian medicinal plant. Remedies from isolated Polynesian cultures, such as Rotuma, utilize the leaves, roots, bark, and green fruit primarily for topical ailments. Hawaiian remedies employ the fruit, with recent shifts involving the preparation of juice made from ripe or decaying fruit. While its anticancer potential is still being explored, the plant continues to be widely used for both traditional and newly hypothesized indications.
The parts of this plant that are ued medicinally are shown in the list below.
- bark
- flower
- fruit
- leaf
- root
What traditional systems uses this plant?
This plant, known as noni, has been utilized for centuries across various cultural landscapes including the Jamu traditions of Indonesia, Polynesian medicinal practices, and Aboriginal medicine in Australia. In the Jamu system, practitioners often incorporate the fruit or roots into herbal tonics to address digestive and inflammatory issues. Polynesian cultures historically use the leaves and fruit to treat skin ailments, wounds, and various internal infections. Aboriginal communities in Australia have long integrated the plant into their traditional healing rituals to manage pain and promote general wellness. These diverse applications highlight the plant's significant role in the historical pharmacopoeias of the Pacific and surrounding regions.
According to a study published by "Journal of ethnopharmacology", the fruits of Morinda citrifolia were found to be less contaminated when used as plant material constituents in Jamu Gendong. This study examined the microbiological quality of seven kinds of Jamu Gendong and its raw materials based on requirements issued by the Department of Health of Indonesia in 1986. While many samples showed bacteria numbers ranging from 7.7 x 10(2) microorganisms/ml to too many to count, the fruits of Morinda citrifolia exhibited lower contamination levels. Coliform contamination in the total mixture ranged from 0 to > 2.4 x 10(6) microorganisms per 1 ml. Given these results, it might be of interest to screen the antibacterial and antifungal activities of the Morinda citrifolia fruits.
The hystorical systems that uses this plant are shown in the list below.
- Jamu
- Polynesian medicinal plants
- Aboriginal medicine in Australia
What are the pharmacological activities of Morinda citrifolia?
This plant has potent anti-inflammatory, anti-oxidant, anti-cancer, anti-diabetic, and antimicrobial pharmacological activities. Its bioactive compounds help neutralize free radicals to prevent oxidative stress within cellular structures. The plant also demonstrates the ability to inhibit the growth of various harmful pathogens and bacteria. Furthermore, its extracts can assist in regulating blood glucose levels and modulating immune responses to reduce swelling. Research suggests that these specific properties may also play a role in suppressing the development of malignant tumor cells.
According to a study published by "Integrative cancer therapies", Morinda citrifolia has shown anticancer properties in in vitro, in vivo, and in clinical studies. A systematic review of 5 electronic databases included a total of 51 clinical and preclinical studies. These studies comprised 41 efficacy studies and 10 safety studies regarding the plant. Morinda citrifolia demonstrated various anticancer properties through multiple mechanisms including antitumor, antiproliferative, pro-apoptotic, antiangiogenesis, antimigratory, anti-inflammatory, and immuno-modulatory activities. The plant is deemed a potentially valuable medicinal plant for cancer treatment through its many intrinsic pathways.
The primary pharmacological activities of this plant are shown in the list below.
- 1. anti-inflammatory
- 2. anti-oxidant
- 3. anti-cancer
- 4. antibacterial
- 5. anti-diabetic
What medicinal compounds this plant contains?
This plant contains a complex profile of medicinal compounds including asperuloside, aucubin, citrifoliniin B, moricitrifone, and various noni alkaloids. These bioactive molecules contribute to the diverse pharmacological properties associated with the species. The presence of iridoids like asperuloside and aucubin is particularly significant for their biological activities. Additionally, the specific noni alkaloids found in the fruit play a key role in its therapeutic potential. These chemical constituents work together to provide the plant with its unique medicinal characteristics.
According to a study published by "Antioxidants (Basel, Switzerland)", Morinda citrifolia is a Polynesian medicinal plant with over 2000 years of traditional use. It contains a rich repertoire of antioxidant phytochemicals including flavonoids such as kaempferol and rutin. The plant also possesses iridoids including aucubin, asperulosidic acid, deacetylasperulosidic acid, and asperuloside. Additionally, it contains polysaccharides like nonioside A and coumarins such as scopeletin. These bioactive constituents were analyzed in a review synthesizing recent advances from 2018-2023.
The primary medicinal compounds of this plant are shown in the list below.
- asperuloside
- aucubin
- citrifoline
- moricitrifone
- nonialkaloids
What health conditions is this plant used for?
This plant is used for managing type 2 diabetes mellitus, reducing inflammation, preventing cancer, alleviating arthritis, and combating oxidative stress. The bioactive compounds within the fruit help regulate blood glucose levels in individuals with metabolic issues. Its potent antioxidant properties work to neutralize free radicals that cause oxidative stress throughout the body. Additionally, the plant contains natural anti-inflammatory agents that can decrease pain and swelling associated with arthritis. Research also suggests that its unique chemical profile may play a role in inhibiting the growth of certain cancer cells.
According to a study published by "Molecules (Basel, Switzerland)", Morinda citrifolia juice contains a polysaccharide named NJSPd-1 with a molecular weight of 18,545 Da. This polysaccharide consists of galacturonic acid, galactose, rhamnose, and arabinose in a molar ratio of 28.79:20.34:19.80:18.84. The study evaluated the action of these molecules using biological models of Type 2 diabetes mellitus processes. NJSPd-1 was shown to exert a protective effect against oxidative stress in HepG2 cells by influencing the downregulation of proteins and genes including Nrf2, Keap1, HO-1, and NQO1. These findings suggest the plant's components work by activating the Nrf2/HO-1/NQO1 signaling pathway to prevent high-glucose-induced oxidative stress.
The main health conditions this plant is used for are shown in the list below.
- Type 2 diabetes mellitus
- Cancer
- Inflammation
- Arthritis
- Liver diseases
What are the herbal preparations of this plant?
This plant is processed into various medicinal forms including a 70% aqueous-ethanolic extract, alcoholic extracts, and noni fruit ethanol. These liquid preparations are often used to concentrate the bioactive compounds found within the fruit. Many manufacturers also transform the plant into a botanical dietary supplement for easier consumer consumption. Additionally, fermented juice serves as a traditional method to enhance the bioavailability of its nutrients. Together, these diverse preparations allow for a wide range of therapeutic applications.
According to a study published by "Indian journal of physiology and pharmacology", alcoholic extracts of the tender leaves of Morinda citrifolia were examined. These medicinal herbal preparations showed good in vitro anthelmintic activity against human Ascaris lumbricoides. The study focused on screening indigenous plants to evaluate their effectiveness. This specific plant was part of a group of plants tested for their anthelmintic action.
The main herbal preparations of this plant are shown in the list below.
- 70% aqueous-ethanolic extract
- Alcoholic extracts
- Noni Fruit Ethanol
- botanical dietary supplement
- fermented juice
What side effects this plant can have?
This plant can cause severe liver damage characterized by hepatocyte necrosis and increased aspartate aminotransferase levels. These physiological changes often correlate with physical alterations such as reduced liver length. Beyond hepatic complications, individuals may experience various bowel disorders during consumption. Some users also report localized skin inflammation as a secondary reaction. These systemic issues highlight the significant toxicity risks associated with the plant.
According to a study published by "Regulatory toxicology and pharmacology : RTP", the chronic toxicity of Morinda citrifolia fruit and leaf was evaluated in female mice over 6 months. The fruit extract at a high dose of 2 mg/ml drinking water produced toxicity effects including hepatocyte necrosis, reduced liver length, increased AST, and albumin reduction. This high dose of fruit extract also caused injury symptoms such as hypoactivity, excessive grooming, sunken eyes, and hunched posture, resulting in 40% mortality within 3 months. In contrast, both doses of the leaf extracts demonstrated no observable toxicity. The study suggests the fruit toxicity might be due to anthraquinones in the seeds and skin, which showed quinone reductase inducer activity 40 times more effective than l-sulforaphane.
The main side effects this plant can have are shown in the list below.
- hepatocyte necrosis
- increased aspartate aminotransferase
- reduced liver length
- bowel disorders
- skin inflammation
What herbs are paired with Morinda citrifolia?
This plant, commonly known as noni, is frequently paired with ginger, turmeric, and cinnamon to enhance its flavor profile and medicinal properties.
Because the fruit has a pungent and bitter taste, these warming herbs help mask the unpleasant aroma during juice preparation. Ginger and turmeric are often added to create synergistic effects that support digestive health and reduce systemic inflammation. Cinnamon provides a natural sweetness that complements the acidic notes of the fruit while stabilizing blood sugar levels.
Combining these specific botanicals allows for a more palatable and potent herbal tonic.