Amaranthus spinosus
What's the taxonomical classification of Amaranthus spinosus?
Amaranthus spinosus 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 specific hierarchy, the plant is a member of the order Caryophyllales and falls within the family Amaranthaceae. Finally, its taxonomic identity is completed by its placement in the genus Amaranthus, specifically as the species spinosus.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Caryophyllales |
| Family | Amaranthaceae |
| Genus | Amaranthus |
| Species | spinosus |
What are the morphological characteristics of this plant?
Amaranthus spinosus has an erect, branched stem that typically reaches heights of 0.5 to 1.5 meters and is characterized by the presence of sharp, woody spines at the base of the leaf petioles. The leaves are alternate, ovate to lanceolate in shape, and possess entire margins with distinctively pointed tips. Its inflorescences consist of dense, greenish spikes that emerge from the leaf axils or the terminal ends of the branches. Small, inconspicuous flowers are arranged in these clusters and eventually produce tiny, black, kidney-shaped seeds. The entire plant structure is adapted for durability in disturbed soils and various environmental conditions.
What is the geographical distribution of this plant?
This plant is native to tropical and subtropical regions of Africa, Asia, and the Americas, but it has become naturalized in many other parts of the world. It is widely distributed across most of the continental United States and throughout much of Europe and Australia. Because it thrives in disturbed soils, it is frequently found along roadsides, in agricultural fields, and within urban waste areas. Its ability to adapt to various climates allows it to spread across diverse landscapes ranging from temperate zones to tropical environments. The species continues to expand its range globally due to its high seed production and resilience.
How is this plant cultivated?
This plant, known as spiny amaranth, is cultivated by sowing seeds directly into well-drained, fertile soils in full sunlight during the warm growing season.
It thrives in diverse environments ranging from disturbed fields to garden beds and requires minimal supplemental irrigation once established. Growers must manage the plant carefully because its sharp spines can cause injury during weeding or harvesting. While often viewed as a weed, it is intentionally grown in some regions for its edible leaves and nutritious seeds.
Regular monitoring is necessary to prevent it from outcompeting other crops in a garden setting.
What parts of this plant are used medicinally?
This plant Amaranthus spinosus provides medicinal value through its leaves, roots, stems, grains, and the entire plant structure. The leaves are frequently prepared as a decoction to treat inflammation and skin irritations. Medicinally, the roots and stems are often utilized in traditional remedies to address digestive issues and fever. The small grains can be consumed for their nutritional benefits, contributing to overall health. Furthermore, practitioners of traditional medicine sometimes use the whole plant to concoct various tonics for systemic ailments.
According to a study published by "Luminescence : the journal of biological and chemical luminescence", the methanolic leaf extract of Amaranthus spinosus is used to synthesize silver nanoparticles. These nanoparticles, which are spherical and below 100 nm in size, exhibit potent antimicrobial activity including a 20 mm inhibition against Klebsiella pneumoniae at 100 μg. At a concentration of 500 μg/mL, the AgNPs achieved 71% DPPH scavenging, 75% hydroxyl radical scavenging, and 68% reducing power. Additionally, the AgNPs show in vitro anticancer properties against HT-29 colorectal cancer cells with maximum cell death occurring at 100 μg/mL.
The parts of this plant that are ued medicinally are shown in the list below.
- leaf
- root
- stems
- whole plant
- grains
What traditional systems uses this plant?
This plant, Amaranthus spinosus, has been utilized for centuries across various cultures to treat ailments such as inflammation, fever, and digestive issues. In the Indian traditional system of medicine, specifically Ayurveda, it is frequently employed for its cooling properties and its ability to manage urinary disorders. Various parts of the plant, including the roots and leaves, are prepared into decoctions or poultices to address skin diseases and wounds. Historical usage in other regions often focuses on its diuretic and antimicrobial characteristics. These diverse applications highlight its long-standing importance in ethnobotanical practices worldwide.
According to a study published by "Journal of young pharmacists : JYP", Amaranthus spinosus Linn. is a tree species found throughout India. This medicinal plant is employed in the Indian traditional system of medicine. The roots of the plant were evaluated for various quantitative standards and physico-chemical properties. During the study, it was found that total ash was approximately three times more than the acid-insoluble and water-soluble ash. Additionally, the ethanol-soluble extractive was approximately the same as the water-soluble extractive. Phytochemical screening of the roots revealed the presence of terpenes, alkaloids, glycosides, and sugars.
The hystorical systems that uses this plant are shown in the list below.
- Indian traditional system of medicine
What are the pharmacological activities of Amaranthus spinosus?
This plant has potent pharmacological activities including anti-diabetic, antibacterial, anticancer, antimalarial, and antioxidant properties. Its phytochemical constituents work to regulate blood glucose levels, making it a valuable subject for diabetes research. The presence of bioactive compounds also allows the plant to inhibit the growth of various pathogenic bacteria and combat malaria parasites. Additionally, its strong antioxidant capacity helps neutralize free radicals, which plays a crucial role in preventing cellular damage. Studies further suggest that its chemical profile may possess significant anticancer potential by interfering with tumor cell progression.
According to a study published by "Cellular and molecular biology (Noisy-le-Grand, France)", the ethanolic extract of Amaranthus spinosus leaves administered at doses of 150, 300 and 450 mg/kg bw demonstrates potential antidiaabetic activity. Among these doses, the higher doses significantly decreased plasma glucose levels (p<0.01 and p<0.001) and hepatic glucose-6-phophatase activity (p<0.01 and p<0.001) in type-1 and type-2 diabetic rats. These higher doses also increased hepatic glycogen content (p<0.01) and hexokinase activity (p<0.01 and p<0.001). Furthermore, the higher doses significantly lowered plasma and hepatic lipids, urea, creatinine levels (p<0.001) and lipid peroxidation. This process includes an improvement in the antioxidant profiles (p<0.001) of both type-1 and type-2 diabetic rats.
The primary pharmacological activities of this plant are shown in the list below.
- anti-diaabetic
- antibacterial
- anticancer
- antimalarial
- antioxidant
What medicinal compounds this plant contains?
This plant contains a diverse array of medicinal compounds including rutin, alkaloids, betalains, glycosides, and terpenes. The presence of rutin, a potent flavonoid, provides significant antioxidant and anti-inflammatory benefits to the organism. Various alkaloids and glycosides within the plant contribute to its complex pharmacological profile and therapeutic potential. Additionally, the betalains act as natural pigments that offer cellular protection against oxidative stress. Finally, the terpenoids found in the leaves and stems play a crucial role in the plant's antimicrobial activities.
According to a study published by "Plants (Basel, Switzerland)", the plant Amaranthus spinosus contains bioactive compounds including phenolic and flavonoid compounds. Rutin was identified as the most abundant flavonoid compound in this species. The accumulation of these medicinal compounds is influenced by environmental factors such as heat stress at 40 °C under well-watered conditions. Additionally, combined drought and heat stress at 30 °C and 35 °C appeared to induce the accumulation of caffeic acid and rutin.
The primary medicinal compounds of this plant are shown in the list below.
- Rutin
- alkaloids
- betalains
- glycosides
- terpenes
What health conditions is this plant used for?
This plant is used for treating anaemia, constipation, diabetes mellitus, jaundice, and various gut disorders. The leaves and roots are often prepared as decoctions to help increase red blood cell counts in patients suffering from blood deficiencies. Its natural properties are also utilized to regulate blood sugar levels and soothe digestive tract inflammation. Furthermore, the plant acts as a natural laxative to alleviate constipation and helps clear bile to assist in recovering from jaundice. These diverse applications demonstrate its significant role in traditional medicinal practices for managing multiple systemic issues.
According to a study published by "African journal of traditional, complementary, and alternative medicines : AJTCAM", Amaranthus spinosus is used in the ethnomedicine of Côte d'Ivoire for the treatment of anaemia. This plant was identified as one of the most promising among 30 recorded medicinal plants. It contained an iron content of 236.6 mg/100 g. These findings support its traditional use in managing anaemia in the Northern and South-Eastern regions of the country.
The main health conditions this plant is used for are shown in the list below.
- anaemia
- diabetes mellitus
- fever-like symptoms
- gut disorders
- jaundice
What are the herbal preparations of this plant?
This plant is used to create medicinal preparations including EtOH extract and hexane extracts to isolate various bioactive compounds. The EtOH extract is commonly utilized to obtain a broad spectrum of polar and semi-polar phytochemicals such as alkaloids and flavonoids. In contrast, hexane extracts are specifically employed to target non-polar constituents like lipids and certain sterols. These different solvent-based preparations allow researchers and herbalists to tailor the medicinal properties for specific therapeutic applications. Studying these distinct extracts helps in understanding the complex pharmacological profile of the species.
According to a study published by "Food science & nutrition", Amaranthus spinosus Linn is used as an herb in soups or sauces and has traditional uses to treat a wide range of illnesses. In studies involving rats with ovarian hyperthecosis induced by DHEA, the plant was administered as an EtOH extract at doses of 50 and 100 mg/kg for 1 month. Treatment with the extract, especially at high doses, showed significant improvement in oxidative stress biomarkers like GSH and MDA and hormonal biomarkers such as Luteinizing hormone and testosterone. UHPLC-ESI-Orbitrap-MS analysis of the plant extract identified 72 bioactive metabolites belonging to phenolics, triterpenoidal saponins, and pyridines. This plant could serve as a management approach for ovarian hyperthecosis therapy by regulating hsa-circ-000177, disturbed hormonal balance, and metabolomics biomarkers.
The main herbal preparations of this plant are shown in the list below.
- EtOH extract
- Hexane extracts
What side effects this plant can have?
This plant can induce bronchodilator activity and exert a cardiostimulant effect on the human body. These physiological responses are primarily attributed to the presence of specific alkaloids and saponins within its tissues. While these properties are sometimes explored in traditional medicine, they can lead to unintended heart rate increases or respiratory changes if consumed in improper amounts. Careful attention must be paid to dosage to avoid excessive stimulation of the cardiovascular system. Monitoring these effects is essential for anyone considering the medicinal use of this species.
According to a study published by "BMC complementary and alternative medicine", Amaranthus spinosus demonstrated laxative activity in mice when administered at doses of 100 and 300 mg/kg. The plant inhibited carbachol-induced bronchospasm in anesthetized rats at doses of 1, 3, 10, and 30 mg/kg. In isolated gut preparations, the extract showed a concentration-dependent spasmogenic effect between 0.01 and 10.0 mg/ml. The extract completely inhibited K+ (80 mM) and carbachol (1 μM) induced contractions in rabbit trachea at 1 mg/ml. Additionally, the plant increased the force and rate of spontaneous contractions in guinea-pig atria up to 0.3 mg/ml, followed by relaxation at concentrations of 1.0 to 5.0 mg/ml.
The main side effects this plant can have are shown in the list below.
- bronchodilator activity
- cardiostimulant effect
What herbs are paired with Amaranthus spinosus?
This plant Amaranthus spinosus pairs effectively with medicinal herbs such as ginger, turmeric, and various cooling botanical extracts to balance its potent properties.
When used in traditional infusions, the addition of ginger helps to mitigate potential digestive irritation caused by the plant's compounds. Turmeric is often combined with it to enhance its overall anti-inflammatory effects through synergistic bioactive interactions. Some practitioners also suggest blending it with peppermint or lemon balm to create a more palatable and soothing herbal tonic.
These specific combinations are designed to harmonize the plant's intense biological activity with more gentle botanical profiles.