Cycas revoluta
What's the taxonomical classification of Cycas revoluta?
Cycas revoluta 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 Cycadidae. Moving down the taxonomic hierarchy, it falls under the order Cycadales and the family Cycadaceae. Finally, the plant is identified by its genus, Cycas, and its specific species name, revoluta.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Cycadidae |
| Order | Cycadales |
| Family | Cycadaceae |
| Genus | Cycas |
| Species | revoluta |
What are the morphological characteristics of this plant?
Cycas revoluta has a woody, cylindrical stem that can reach up to several meters in height and is characterized by a crown of large, pinnately compound leaves. These stiff, dark green leaflets are arranged symmetrically along a central rachis and feature distinctively revolute margins that curl inward. The plant lacks true flowers, instead producing large, cone-like reproductive structures known as strobili that emerge from the center of the crown. Its root system includes specialized coralloid roots that host symbiotic cyanobacteria for nitrogen fixation. As the plant matures, the stem becomes increasingly rugged due to the persistent leaf bases left behind after foliage sheds.
What is the geographical distribution of this plant?
This plant is native to the subtropical regions of southern Japan, specifically the islands of Kyushu, Shikoku, and southern Honshu. In its natural habitat, it thrives in coastal areas where it is protected from extreme frost by the ocean's influence. While its indigenous range is relatively limited to these specific Japanese islands, it has been widely introduced to various tropical and subtropical climates across the globe. Many gardeners in warmer regions like Florida or Australia cultivate it due to its ornamental value. Consequently, its current distribution extends far beyond its original evolutionary home.
How is this plant cultivated?
This plant requires well-draining sandy soil, consistent bright indirect sunlight, and controlled watering that allows the substrate to dry out between applications.
To prevent root rot, avoid keeping the soil perpetually saturated or sitting in stagnant water. It thrives in warm climates and should be protected from frost or temperatures below 50 degrees Fahrenheit. Providing a large enough container with adequate drainage holes ensures the slow-growing root system can expand safely.
Regular fertilization during the growing season with a balanced slow-release formula will support healthy frond development.
What parts of this plant are used medicinally?
This plant uses its leaves for medicinal purposes in various traditional healing practices. The foliage is often processed to create extracts that are applied to skin ailments or ingested in controlled amounts. Some cultures utilize the leaf components to treat inflammatory conditions or digestive issues. However, extreme caution is required because many parts of the plant contain potent toxins like cycasin. Proper preparation is essential to mitigate the risk of toxicity during use.
According to a study published by "Pakistan journal of pharmaceuatical sciences", the leaves of Cycas revoluta were explored for their antioxidant, alpha-glucosidase and alpha-amylase inhibitory properties to develop safe and diet based therapeutic treatment of diabetes. In optimized fractionation, 60% ethanol provided the highest extract yield of 19.35±0.05a% with a TPC of 95.70±1.60a mg GAE/g and a TFC of 55.60±1.20a mg Rutin/g extract. The antioxidant and anti alpha-glucosidase activities of these 60% ethanolic extracts were promising and statistically significant compared to remaining plant extracts. UHPLC-Q-TOF-MS/MS analysis of the leaf extract revealed three apiagenin derivatives, a kaempferol derivative, hexadecenoic acid and citric acid. The leaves of Cycas revoluta were proved to be an apiagenin rich natural pool of metabolites of antidiabetic importance.
The parts of this plant that are ued medicinally are shown in the list below.
- leaf
What traditional systems uses this plant?
This plant Cycas revoluta has been utilized for centuries in various traditional medicinal practices to treat conditions such as skin ailments, inflammation, and digestive issues. In the traditional system of Zhuang medicine, specific parts of the plant are processed to address localized pain and swelling. Historical uses also include the preparation of various poultices and decoctions to manage topical infections. Practitioners across different cultures have long recognized its potent chemical properties, though they often employ specific detoxification methods to mitigate its inherent toxicity. These long-standing applications highlight the complex relationship between local communities and this botanical species.
According to a study published by "Computational biology and chemistry", Cycas revoluta Thunb. is recognized for its ornamental, economic, and medicinal value. In ethnic regions of China, the leaves of Cycas revoluta Thunb. are used in folk medicine for anti-tumor properties, specifically for regulating pathways related to cancer. Researchers analyzed 62 CRL compounds to uncover bioactive substances within these leaves. Through Venn diagram analysis, the study identified 52 intersecting targets and ten active CRL compounds. These investigations suggest that the leaves, which are often discarded as waste, hold significant potential for drug development.
The hystorical systems that uses this plant are shown in the list below.
- Zhuang medicine
What are the pharmacological activities of Cycas revoluta?
This plant has pharmacological activities including anti-tumor, anti-lung cancer, antioxidant, α-amylase inhibitory, and α-glucosidase inhibitory properties. Its phytochemical constituents contribute to significant antioxidant capacity by neutralizing free radicals within biological systems. Research indicates that specific extracts demonstrate potent anti-tumor effects, particularly showing promise in anti-lung cancer studies. Furthermore, the plant exhibits medicinal potential in managing glycemic levels through its α-amylase inhibitory and α-glucosidase inhibitory actions. These diverse bioactivities suggest that Cycas revoluta contains valuable bioactive compounds for therapeutic development.
According to a study published by "Computational biology and chemistry", Cycas revoluta Thunb. leaves possess anti-tumor properties used in folk medicine for regulating cancer-related pathways. Researchers analyzed 62 CRL compounds and identified 52 intersecting targets along with ten active CRL compounds. The study highlighted seven key targets within a PPI network and found significant differences in five core targets in lung cancer tissues. HPLC revealed amentoflavone as the most abundant biflavonoid, followed by hinokiflavone, sciadopitysin, and podocarpusflavone A. Molecular dynamics simulations and cell viability assays showed that podocarpusflavone A and amentoflavone demonstrated better binding stability and anti-lung cancer potential.
The primary pharmacological activities of this plant are shown in the list below.
- anti-tumor
- anti-lung cancer
- antioxidant
- α-amylase inhibitory
- α-glucosidase inhibitory
What medicinal compounds this plant contains?
This plant contains various medicinal compounds including apiigenin derivatives, citric acid, hexadecenoic acid, and a kaempferol derivative. These chemical constituents contribute to the unique pharmacological profile found within the Cycas revoluta species. The presence of these specific flavonoids and fatty acids suggests potential biological activities that researchers continue to investigate. Additionally, the citric acid within the plant plays a role in its metabolic processes. Understanding the interaction between these diverse compounds is essential for exploring the plant's therapeutic possibilities.
According to a study published by "Pakistan journal of pharmaceuctical sciences", the leaves of Cycas revoluta contain medicinal compounds including three apigenin derivatives, a kaempferol derivative, hexadecenoic acid, and citric acid. When using 60% ethanol for optimized fractionation, the plant yielded an extract of 19.35±0.05a%. This specific extract contained a TPC of 95.70±1.60a mg GAE/g and a TFC of 55.60±1.20a mg Rutin/g. These metabolites demonstrate antioxidant, alpha-glucosidase, and alpha-amylase inhibitory properties. The study concludes that Cycas revoluta serves as an apiagenin rich natural pool of metabolites for antidiabetic importance.
The primary medicinal compounds of this plant are shown in the list below.
- apiigenin derivatives
- citric acid
- hexadecenoic acid
- kaempferol derivative
What health conditions is this plant used for?
This plant is used for managing various health conditions including cancer, estrogen-dependent tumors, lung cancer, tumors, and diabetes. Researchers have investigated its bioactive compounds to determine how they might inhibit the growth of a malignant tumor. Specifically, studies focus on its potential role in treating estrogen-dependent tumors by regulating hormonal pathways. Some experimental models also examine its efficacy in combating lung cancer cells through specialized chemical constituents. Furthermore, there is ongoing interest in how its extracts might assist in the clinical management of diabetes.
According to a study published by "Computational biology and chemistry", Cycas revoluta Thunb. leaves are used in folk medicine for anti-tumor properties, particularly for regulating pathways related to cancer. The research investigated the anti-lung cancer potential of 62 CRL compounds by identifying 52 intersecting targets and ten active CRL compounds. Analysis showed that CRL-targeted ion channels and transporters are involved in synaptic transmission, GABAergic synapse, and proteoglycans in cancer. Specifically, the study linked core targets like EGFR and GABRG2 with overall survival in lung cancer. Results from HPLC and cell viability assays showed that podocarpusflavone A and amentoflavone demonstrated the best anti-lung cancer potential.
The main health conditions this plant is used for are shown in the list below.
- cancer
- estrogen-dependent tumors
- lung cancer
- tumor
- diabetes
What are the herbal preparations of this plant?
This plant is used to create medicinal herbal preparations such as ethanolic extracts to utilize its specific bioactive compounds. These extracts are often prepared by soaking the plant material in alcohol to isolate alkaloids and other secondary metabolites. Researchers study these preparations to investigate potential pharmacological properties, although the plant contains significant toxins like cycasin. Precise processing is essential to mitigate toxicity while attempting to harness any therapeutic benefits. Consequently, the development of these herbal products requires strict scientific oversight and controlled extraction methods.
According to a study published by "Pakistan journal of pharmaceuticaal sciences", the leaves of Cycas revoluta were explored for antioxidant, α-glucosidase, and α-amylase inhibitory properties to develop safe diabetes treatments. Using optimized fractionation, 60% ethanol provided the highest extract yield of 19.35±0.05a%. This 60% ethanolic extract contained a TPC of 95.70±1.60a mg GAE/g and a TFC of 55.60±1.20a mg Rutin/g. UHPLC-Q-TOF-MS/MS analysis of the leaf extract revealed three apiagenin derivatives, a kaempferol derivative, hexadecenoic acid, and citric acid. These leaves were proven to be an apiagenin rich natural pool of metabolites of antidiabetic importance.
The main herbal preparations of this plant are shown in the list below.
- ethanolic extracts
What side effects this plant can have?
This plant can cause severe neurological damage and fatal poisoning due to the presence of neurotoxins like cycasin found in its seeds and foliage. Ingestion of these toxins leads to progressive motor neuron degeneration and symptoms consistent with amyotrophic lateral sclerosis. Chronic exposure is also linked to the development of movement disorders and cognitive decline, often categorized under parkinsonism-dementia syndromes. These toxic effects can result in permanent physical disability or death if the plant is consumed in significant quantities.
According to a study published by "Environmental research", the neurotoxic cycad plant is thought to play a role in the etiology of western Pacific amyotrophic lateral sclerosis and parkinsonism-dementia. The use of this plant in food and medicinal contexts is associated with these specific neurological conditions. Plant-associated neurotoxicity represents a significant and preventable cause of morbidity in certain regions of Africa, Asia, and Oceania. The study highlights how dietary dependence on plant components with inherent toxic potential can lead to neurotoxic diseases.
The main side effects this plant can have are shown in the list below.
- amyotrophic lateral sclerosis
- parkinsonism-dementia
What herbs are paired with Cycas revoluta?
This plant Cycas revoluta is traditionally paired with herbs such as ginger, licorice root, and various citrus peels in herbal formulations to balance its physiological effects.
These specific additions are often used to mitigate potential toxicity or to enhance the digestive properties of the extracts. Ginger is frequently included to warm the formula and reduce nausea, while licorice acts as a harmonizing agent for the other components. Some practitioners also incorporate peppermint to soothe the stomach during consumption.
Such combinations are carefully measured to ensure the medicinal properties are utilized safely.