Sonchus oleraceus

What's the taxonomical classification of Sonchus oleraceus?

Sonchus oleraceus belongs to the kingdom Plantae and is classified under the phylum Streptophyta. Within the class Equisetopsida, it is further categorized into the subclass Magnoliidae and the order Asterales. As a member of the family Asteraceae, it falls under the genus Sonchus, and its specific scientific designation is the species oleraceus.

Taxonomic Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Asterales
Family Asteraceae
Genus Sonchus
Species oleraceus
Evidence Level: ★★★★☆

What are the morphological characteristics of this plant?

Sonchus oleaceus has erect, branched stems that reach up to 1 meter in height and are characterized by a hollow structure with milky white latex throughout the tissues. The leaves are primarily basal and lyrate, featuring large terminal lobes and smaller, pinnatifid lobes along the margins. Higher up the stem, the leaves become smaller, sessile, and more deeply lobed or lanceolate in shape. The inflorescence consists of bright yellow composite flower heads arranged in terminal clusters. Each flower head contains numerous tubular florets surrounded by a distinct involucre of linear bracts.

Evidence Level: ★☆☆☆☆

What is the geographical distribution of this plant?

This plant is native to the Mediterranean Basin, including parts of Southern Europe, North Africa, and Western Asia. Its range extends across coastal and inland regions where it thrives in varied terrains. Many populations are found in disturbed habitats, such as roadsides and waste areas, throughout these warm climates. It is frequently documented in countries like Spain, Italy, Greece, and Morocco. The species favors temperate zones that provide seasonal moisture and significant sunlight.

Evidence Level: ★☆☆☆☆

How is this plant cultivated?

This plant Sonchus oleraceus is primarily cultivated as a leafy green vegetable in well-drained, nutrient-rich soils under full sun or partial shade.

It is an easy-to-grow annual or biennial that thrives in temperate climates and requires regular watering to maintain moist soil conditions. Gardeners often sow the seeds directly into the garden beds during the spring or autumn seasons. Because the plant grows rapidly and can become invasive, it is frequently managed through frequent harvesting of the young tender leaves.

Regular thinning of the seedlings ensures that each plant has sufficient space to develop a robust root system.

Evidence Level: ★☆☆☆☆

What parts of this plant are used medicinally?

This plant, Sonchus oleraceus, provides medicinal value through its leaves, roots, stems, and the whole plant. The leaves are frequently harvested to create infusions that serve as a diuretic or to treat digestive issues. Its roots contain various compounds that can be processed for their specific therapeutic properties. The stems are often included in decoctions to support general health and detoxification processes. Using the whole plant allows for a complete extraction of the various phytochemicals present in the species.

According to a study published by "Anti-cancer agents in medicinal chemistry", Sonchus oleraceus is used as a folklore medicinal herb in the treatment of infections and inflammatory disease. To identify bioactive ingredients, 20kg of Sonchus oleraceus was extracted twice with 75% alcohol. Two new sesquiterpenes were isolated from the plant, where the first compound selectively suppressed the viability of A549 and H292 cells with IC50 values of 14.2 and 19.5μM respectively. This first compound possessed no cytotoxicity against Caco2 cells with an IC50 > 100μM. Additionally, the first compound could cause cell apoptosis at 10 and 20μM in a dose-dependent manner. The second compound did not exhibit cytotoxicity against A549, H292, and Caco2 cells with an IC50 > 100μM.

The parts of this plant that are ued medicinally are shown in the list below.

  • leaf
  • root
  • stems
  • whole plant
Evidence Level: ★★★☆☆

What traditional systems uses this plant?

This plant, Sonchus oleraceus, has been utilized in various traditional medicinal systems for its purported anti-inflammatory and diuretic properties. In Chinese folk culture, it is often integrated into herbal practices to help clear heat and detoxify the body. Historically, different cultures have consumed the leaves as a nutritious green vegetable to supplement their diets. Some ancient traditions also applied crushed portions of the plant topically to treat skin irritations and swellings. These diverse applications demonstrate the long-standing reliance on the species for both sustenance and healing.

According to a study published by "Journal of ethnopharmacology", Sonchus oleraceus (L.) L (SO) is one of the traditional medicinal plants in China. In Chinese folk culture, the aqueous extracts of this plant have been used to treat tumor, inflammatory diseases, infection and so on. The study evaluated how these extracts affect HepG-2 and K562 tumor cells compared to human peripheral blood mononuclear cells (PBMCs). Research showed that the extracts inhibit these tumor cells by up-regulating the expression of apoptosis-related genes including FasL, caspase 3 and caspase 9. These extracts also block the tumor cell cycle at the G(0)/G(1) stage and inhibit migration by affecting ICAM-1, MMP-2 and MMP-9.

The hystorical systems that uses this plant are shown in the list below.

  • Chinese folk culture
Evidence Level: ★★★☆☆

What are the pharmacological activities of Sonchus oleraceus?

This plant has anti-diabetic, anti-inflammatory, antimicrobial, antioxidant, and gastroprotective pharmacological activities. These biological properties are primarily attributed to the presence of bioactive secondary metabolites like phenolics and flavonoids. The antioxidant capacity helps neutralize free radicals, which simultaneously supports its anti-inflammatory effects within the body. Furthermore, its antimicrobial actions allow it to combat various pathogenic microorganisms effectively. Finally, the plant demonstrates significant gastroprotective qualities that help safeguard the stomach lining from damage.

According to a study published by "Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association", Sonchus oleraceus Linn is a medicinal plant with bioactivities such as anti-diabetic activity and anti-inflammatory activity. To address the poor absorption of its polyphenols, a self-emulsifying delivery system containing Sonchus oleraceus Linn extracts (SSEDDS) was investigated. When diabetic rats were fed 100, 200, and 400 mg/kg/day of SSEDDS or 1 mg/kg/day of metformin for 4 weeks, the levels of NF-κB, TNF-α, and IL-6 in the liver were significantly improved (p < 0.05). These parameters were restored to near normal levels (p < 0.05) following the administration of the SSEDDS. Immuno-histochemical studies confirmed the anti-inflammatory effects of the SSEDDS.

The primary pharmacological activities of this plant are shown in the list below.

  • anti-diabetic
  • anti-inflammatory
  • antimicrobial
  • antioxidant
  • gastroprotective
Evidence Level: ★★★☆☆

What medicinal compounds this plant contains?

This plant contains several bioactive medicinal compounds including di-O-caffeoylquinic acid, isorrhamnetin-O-hexoside, kaempferol-O-hexoside, luteoloside, and ursolic acid. These specific phytochemicals contribute to the diverse pharmacological potential of Sonchus oleraceus. The presence of various flavonoids like luteoloside and kaempferol-O-hexoside suggests significant antioxidant properties. Furthermore, the inclusion of ursolic acid highlights its potential role in anti-inflammatory activities. Together, these constituents define the chemical profile used in studying the plant's therapeutic effects.

According to a study published by "PloS one", Sonchus oleraceus contains 32 bioactive metabolites, including flavonoids, phenolic acids, and terpenes. The SOEtOH extract replenished depleted hepatic glutathione up to 3.9-fold and superoxide dismutase up to 4.7-fold. Among the identified compounds, luteolin-O-dihexoside, isorrhamnetin-O-hexoside, di-O-caffeoylquinic, and kaempferol-O-hexoside demonstrated the strongest binding affinities. These compounds contribute significantly to the catalytic binding sites of JNk1 and JNk2. The study investigated the effects of SOEtOH administered at doses of 50, 100, and 200 mg/kg.

The primary medicinal compounds of this plant are shown in the list below.

  • di-O-caffeoylquinic
  • isorrhamnetin-O-hexoside
  • kaempferol-O-hexoside
  • luteoloside
  • ursolic acid
Evidence Level: ★★★☆☆

What health conditions is this plant used for?

This plant is used for treating cancer, diabetes mellitus, gastric ulceration, inflammation, and microbial infections. Researchers have investigated its bioactive compounds for their potential to inhibit the growth of malignant cells. The plant also shows promise in managing blood glucose levels in individuals suffering from diabetes mellitus. Its medicinal properties include soothing gastric ulceration and reducing various forms of systemic inflammation. Furthermore, its natural antimicrobial properties help the body combat diverse microbial infections.

According to a study published by "Journal of ethnopharmacology", the aqueous extracts of Sonchus oleraceus (L.) L are used in Chinese folk culture to treat tumor, inflammatory diseases, and infection. The study evaluated the inhibitory effects of these extracts on HepG-2 and K562 tumor cells. Results showed that the extracts have anti-tumor effects by decreasing cell viability and inducing apoptosis through the up-regulation of apoptosis-related genes FasL, caspase 3, and caspase 9. These extracts can block the tumor cell cycle at the G(0)/G(1) stage and significantly inhibit the adherence of HepG-2 cells. Additionally, the extracts inhibit migration by inhibiting the expression of ICAM-1, MMP-2, and MMP-9. The inhibition of pSTAT1 and 3 might be responsible for the inhibitory effects of the extracts on tumor cells.

The main health conditions this plant is used for are shown in the list below.

  • cancer
  • diabetes mellitus
  • gastric ulceration
  • inflammation
  • microbial infections
Evidence Level: ★★★☆☆

What are the herbal preparations of this plant?

This plant is Sonchus oleraceus, which is utilized to create medicinal preparations including hydroethanolic extracts, the chloroform fraction of the aerial parts, and essential oil. The hydroethanolic extracts are commonly processed to isolate various bioactive phytochemicals for therapeutic use. Researchers also focus on the chloroform fraction of the aerial parts to study specific lipophilic compounds within the plant. Furthermore, the extraction of essential oil provides a concentrated source of volatile aromatic constituents. These diverse preparations allow for the systematic investigation of the plant's pharmacological potential.

According to a study published by "Journal of medicinal food", hydroethanolic extracts (80%) of Sonchus oleraceus were prepared to investigate its antihyperglycemic potential. These extracts were orally administered to mice induced with diabetes via 120 mg/kg body weight of nicotinamide and 200 mg/kg body weight of streptozotocin. The administration of the Sonchus oleraceus extracts occurred at doses of 10 or 50 mg/kg body weight for 1 week. The study assessed activity by detecting serum glucose concentrations during fasting and after 2 h of oral glucose loading at 4.2 mg/kg body weight. The findings indicated that Sonchus oleraceus possesses antihyperglycemic potentials.

The main herbal preparations of this plant are shown in the list below.

  • Hydroethanolic extracts
  • Chloroform fraction of the aerial parts
  • Essential oil
Evidence Level: ★★★☆☆

What side effects this plant can have?

This plant can cause significant health issues including DNA damage, a decreased mitotic index, gastric ailments, a geno-toxic effect, and increased chromosomal abnormalities. Research indicates that the chemical compounds within the species can induce a profound geno-toxic effect on living cells. This toxicity leads to direct DNA damage and a notable increase in chromosomal abnormalities during cell division. Furthermore, exposure to the plant is linked to a decreased mitotic index, which impairs the body's ability to regenerate healthy tissue. Beyond cellular destruction, ingestion of the plant may also trigger various gastric ailments in affected organisms.

According to a study published by "Frontiers in toxicology", Sonchus oleraceus leaf extract as a single treatment decreased root length and the mitotic index (MI) compared to controls. When applied as a single treatment, the extract caused chromosomal abnormalities (CA) to increase, particularly at higher concentrations. The study utilized concentrations of 21.5, 43, and 64.5 mg/mL of the extract, along with 4 mg/mL of sodium benzoate for 24 h. Results indicated that the aqueous extract induces a genotoxic effect on cells, specifically at high concentrations, and acts as a mutagen at high concentrations. However, at 21.5 mg/mL, the extract showed the best antimutagenic efficacy with a moderate inhibition rate greater than 25%.

The main side effects this plant can have are shown in the list below.

  • DNA damage
  • decreased mitotic index
  • gastric ailments
  • genotoxic effect
  • increased chromosomal abnormalities
Evidence Level: ★★★☆☆

What herbs are paired with Sonchus oleraceus?

This plant, Sonchus oleraceus, pairs optimally with culinary herbs such as garlic, basil, thyme, and mint to complement its slightly bitter, dandelion-like flavor profile.

When sautéing the greens, adding minced garlic helps mellow the natural astringency of the leaves. Fresh basil or mint can be tossed into a salad with the young shoots to provide a bright, aromatic contrast to the earthy base. Dried thyme works well when the plant is incorporated into warm soups or stews to add a savory depth.

Using these specific combinations ensures the wild greens become a balanced component of a meal rather than an overpowering bitter element.

Evidence Level: ★☆☆☆☆