Melilotus albus

What's the taxonomical classification of Melilotus albus?

Melilotus albus belongs to the kingdom Plantae and is classified under the phylum Streptophyta. Within the class Equisetopsida and the subclass Magnoliidae, this plant is organized under the order Fabales. It is a member of the family Fabaceae, which places it among the legumes, and is further categorized into the genus Melilotus, with the specific designation of the species albus.

Taxonomic Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Fabales
Family Fabaceae
Genus Melilotus
Species albus
Evidence Level: ★★★★☆

What are the morphological characteristics of this plant?

Melilotus albus has an erect, herbaceous stem that typically reaches heights of 30 to 100 centimeters and features trifoliate leaves composed of three oval to lanceolate leaflets. The leaves are arranged alternately along the stem and possess finely serrated margins with a slightly pubescent texture. Its inflorescence consists of long, dense racemes containing numerous small, white, pea-like flowers. Each flower possesses a characteristic papilionaceous structure typical of the Fabaceae family. The plant also produces small, flattened, oblong pods that turn brown as they mature and contain several seeds.

Evidence Level: ★☆☆☆☆

What is the geographical distribution of this plant?

This plant is native to Europe, western Asia, and northern Africa, though it has become widely naturalized across North America and other temperate regions of the world. It typically thrives in disturbed areas such as roadsides, fields, and waste grounds where sunlight is abundant. The species prefers well-drained soils and can tolerate a variety of environmental conditions across different continents. Its ability to spread via seeds allows it to establish itself in many different climates globally. Because of its hardy nature, it is frequently found in many non-native habitats far from its original range.

Evidence Level: ★☆☆☆☆

How is this plant cultivated?

This plant, Melilotus albus, is cultivated by sowing seeds in well-drained, fertile soils during the spring or autumn to establish deep taproots.

It thrives in temperate climates and requires full sun exposure to achieve optimal growth and flowering. Farmers often use it as a forage crop or green manure because of its ability to fix nitrogen in the soil. The species is also valued in medicinal preparations and as a nectar source for pollinators.

Proper management involves monitoring moisture levels, as it prefers moderately moist conditions but can tolerate occasional dry spells.

Evidence Level: ★☆☆☆☆

What parts of this plant are used medicinally?

This plant Melilotus albus utilizes its flowers, leaves, and roots for various medicinal applications. The small white flowers are often harvested to create infusions that help reduce inflammation and soothe digestive issues. Although less common, the leaves can be processed to provide mild sedative or tonic effects. The roots contain specific chemical compounds that are sometimes used in traditional remedies to address systemic ailments. Each of these components offers unique bioactive properties for therapeutic use.

According to a study published by "The Canadian veterinary journal = La revue veterinaire canadienne", Melilotus albus is a useful forage legume with valuable agronomic traits. It is the highest yielding legume forage in Western Canada and is used in silage, hay and pasture production. This plant is also a prized crop for the honey producer and is useful on saline white alkali soils where other crops cannot grow. Special precautions are necessary to avoid dicoumarol formation when preserving sweetclover hay and silage. A breeding program at Saskatoon expects to produce a new low coumarin yellow flowered cultivar within the next 2 years.

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

  • flower
  • leaf
  • roots
Evidence Level: ★★★☆☆

What traditional systems uses this plant?

This plant, known as white sweet clover, was historically utilized in traditional medicine to treat various ailments ranging from respiratory issues to digestive disorders.

Ancient practitioners often prepared infusions or decoctions from the flowering tops to serve as a soothing remedy for coughs and bronchitis. In some folk traditions, the plant was also applied topically to reduce inflammation or used in baths to calm the skin. Beyond its medicinal applications, it served a practical role in historical agriculture as a nitrogen-fixing crop to improve soil fertility.

These diverse uses reflect the significant role the species played in both healing practices and land management throughout history.

Evidence Level: ★☆☆☆☆

What are the pharmacological activities of Melilotus albus?

This plant has anti-inflammatory, antiedema, antihypercholesterolemia, antioxidant, and antidiabetic pharmacological activities. Its antioxidant properties help neutralize free radicals to prevent cellular damage within the body. The anti-inflammatory and antiedema effects work together to reduce swelling and suppress painful immune responses. Furthermore, the plant demonstrates antidiabetic capabilities by helping to regulate blood glucose levels more effectively. Research also indicates its ability to combat hypercholesterolemia by managing cholesterol concentrations in the bloodstream.

According to a study published by "Critical reviews in food science and nutrition", Melilotus albus is identified as a sweet clover. The phytochemical complexes of this species contain secondary metabolites including alkaloids and amines, cyanogenic glycosides, flavonoids, coumarins, condensed tannins, and saponins. These phytochemicals have been related to antihypercholesterolemia, antidiabetic, antimenopause, anti-inflammaotory, antiedema, anthelmintiic, and kidney protective effects. Additionally, the coumarin found in sweet clovers inspired the development of the antithrombotic drug warfarin. These temperate forage legumes represent a potentially important resource for the extraction of active principles for use as nutraceuticals and pharmaceuticals.

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

  • anti-inflammatory
  • antiecdema
  • antihypercholesterolemia
  • anti-diabetic
  • antioxidant
Evidence Level: ★★★☆☆

What medicinal compounds this plant contains?

This plant contains the medicinal compounds coumarin, dicoumarol, melilotoside I, melilotoside II, and melilotoside III. Coumarin is a primary constituent known for its distinct aroma and various pharmacological properties. The presence of dicoumarol provides significant anticoagulant effects used in medicinal applications. Additionally, the plant features specific glycosides identified as melilotoside I, melilotoside II, and melilotoside III. These diverse chemical constituents contribute to the overall therapeutic potential of Melilotus albus.

According to a study published by "Critical reviews in food science and nutrition", Melilotus albus is categorized as one of the sweet clovers. This plant belongs to the Fabaceae species and contains phytochemical complexes consisting of secondary metabolites. Major classes of compounds found in these species include alkaloids and amines, cyanogenic glycosides, flavonoids, coumarins, condensed tannins, and saponins. These phytochemicals have been related to several effects such as antihypercholesterolemia, antidiabetic, antimenopause, anti-inflammaor, antiedema, anthelmintic, and kidney protective effects. The coumarin from sweet clover served as the inspiration for the antithrombotic drug warfarin.

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

  • coumarin
  • dicoumarl
  • melilotoside I
  • melilotoside II
  • melilotoside III
Evidence Level: ★★★☆☆

What health conditions is this plant used for?

This plant is used for managing inflammation, reducing edema, lowering cholesterol levels, protecting kidney function, and preventing thrombosis. Its anti-inflammatory properties help mitigate swelling and pain throughout the body. The antiedema effects assist in reducing fluid retention in various tissues. Additionally, its antihypercholesterolemia qualities work to maintain healthy lipid profiles in the blood. The plant also provides kidney protective effects and helps combat thrombosis by preventing unwanted blood clots.

According to a study published by "Critical reviews in food science and nutrition", Melilotus albus is a temperate forage legume belonging to the Fabaceae species. The phytochemical complexes of this plant contain secondary metabolites such as alkaloids, amines, cyanogenic glycosides, flavonoids, coumarins, condensed tannins, and saponins. Some of these phytochemicals have been related to antihypercholesterolemia, antidiabetic, antimenopause, anti-inflammaotory, antiedema, anthelmintic, and kidney protective effects. Additionally, the coumarin found in sweet clovers like Melilotus albus inspired the development of the antithrombotic drug warfarin.

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

  • anti-inflammatory
  • antiedema
  • antihypercholesterolemia
  • kidney protective effects
  • thrombosis
Evidence Level: ★★★☆☆

What are the herbal preparations of this plant?

This plant is Melilotus albus, a species used to create medicinal herbal preparations such as aqueous extracts for various therapeutic applications. These preparations often utilize the dried flowering tops to harness the plant's natural properties. An aqueous extract is commonly prepared by soaking the plant material in water to draw out its active constituents. Such liquid formulations are frequently employed in traditional medicine to support circulatory health and reduce inflammation. Practitioners may also utilize different methods of processing to stabilize the delicate chemical compounds found within the herb.

According to a study published by "ACS omega", the aqueous extract of Melilotus albus leaves has a total polyphenol content of 259.26 ± 7.79 mg GAE/g, while the methanolic extract contains 131.41 ± 12.64 mg GAE/g. The antioxidant activity of aqueous extracts via DPPH, ABTS, and phosphor molybdenum methods is 0.087 ± 0.015, 0.014 ± 0.001, and 6.157 ± 1.050 mg eq vit C/g, respectively, compared to methanolic extracts at 0.107 ± 0.02, 0.167 ± 0.03, and 0.453 ± 0.014 mg eq vit C/g. The methanolic extract demonstrates a greater reducing power with an IC50 of 0.011 ± 0.003 mg/mL compared to 0.199 ± 0.016 mg/mL for the aqueous extract. LC-MS analysis determined that the extract has a 99.99% total phenolic content consisting of 12 different components. These primary constituents include chlorogenic acid at 43.68%, catechin/epicatechin at 24.82%, quercetin-3-O-glucuronic acid at 9.91%, naringin at 7.64%, and p-hydroxybenzoic/salicylic acid at 2.95%.

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

  • aqueous extract
Evidence Level: ★★★☆☆

What side effects this plant can have?

This plant can cause severe health complications due to coumarin poisoning, which leads to dangerous internal bleeding and potential liver damage. Consumption of the plant often triggers gastrointestinal distress such as nausea, vomiting, and intense abdominal pain. Individuals may also experience neurological symptoms including dizziness. These toxic effects occur because the chemical compounds in the plant can interfere with normal blood clotting processes. Therefore, accidental ingestion poses a significant risk to human safety.

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

  • Coumarin poisoning
  • Internal bleeding
  • Liver damage
  • Nausea
  • Vomiting
  • Abdominal pain
  • Dizziness
Evidence Level: ★☆☆☆☆

What herbs are paired with Melilotus albus?

This plant, Melilotus albus, pairs best with aromatic herbs like chamomile, peppermint, and lemon balm to balance its sweet, hay-like scent.

When used in culinary or medicinal blends, its coumarin-rich profile complements the bright notes of citrusy herbs such as lemongrass. Pairing it with lavender can create a soothing floral profile suitable for tea blends. For more robust profiles, adding woody herbs like rosemary provides a grounding contrast to its delicate aroma.

These combinations help temper the strong sweetness inherent to the white sweet clover.

Evidence Level: ★☆☆☆☆