Vicia faba

What's the taxonomical classification of Vicia faba?

Vicia faba belongs to the kingdom Plantae and is classified under the phylum Streptophyta. Within this group, it is categorized under the class Equisetopsida and the subclass Magnoliidae. Its taxonomic lineage continues through the order Fabales and the family Fabaceae, eventually placing it within the genus Vicia. Finally, the plant is identified at the species level as faba.

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

What are the morphological characteristics of this plant?

Vicia faba has an erect, herbaceous stem that typically reaches heights of 30 to 100 centimeters and is characterized by a hollow, branched structure. The leaves are pinnately compound with multiple pairs of leaflets and terminate in a tendril used for climbing. Small, pale flowers emerge from the axils, often displaying shades of white, pink, or purple. The plant produces seed pods that are elongated and contain several large, flattened seeds. These morphological features allow the species to compete effectively for sunlight and structural support in its habitat.

Evidence Level: ★☆☆☆☆

What is the geographical distribution of this plant?

This plant is native to the Mediterranean region, extending from Western Europe through North Africa and into parts of Western Asia. It thrives in various habitats, including coastal areas, scrublands, and open woodlands where soil is well-drained. Throughout its natural range, it is frequently found in mountainous territories as well as lowland plains. Due to human agricultural activity, the species has been introduced to many other parts of the world. It now establishes itself in many temperate zones globally, often appearing in disturbed sites or as a naturalized component of local flora.

Evidence Level: ★☆☆☆☆

How is this plant cultivated?

This plant, known as the broad bean or faba bean, is cultivated by sowing seeds in well-drained, nitrogen-rich soil during the autumn or early spring to ensure optimal germination.

Farmers typically plant them in cool climates where they can establish a strong root system before the peak heat of summer. The crop is highly valued for its ability to fix atmospheric nitrogen through symbiotic relationships with bacteria in its roots, which improves soil fertility for subsequent plantings. Regular irrigation and protection from heavy frosts are necessary to maintain a healthy crop yield throughout the growing season.

Once the pods have matured and dried, they are harvested for human consumption or for use as high-protein animal fodder.

Evidence Level: ★☆☆☆☆

What parts of this plant are used medicinally?

This plant, Vicia faba, provides medicinal utility through its leaves, flowers, seeds, pods, and roots. The leaves and flowers are often utilized in traditional infusions to address various inflammatory conditions. The nutrient-dense seeds and pods serve as important dietary components that support general metabolic health. Additionally, the roots contain specific compounds that have been explored for their potential therapeutic properties. Together, these diverse plant parts offer a wide range of applications in herbal medicine.

According to a study published by "Plant physiology", the leaves of Vicia faba contain a membrane-associated 48-kilodalton phospholipase A(2). This 48-kD protein was purified to near homogeneity from membrane extracts using sequential column chromatographies. The purified 48-kD enzyme shows a preference for 2-linolenoyl-sn-glycerol-3-phosphocholine over 2-linoleoyl-GPC, 2-palmitoyl-GPC, and 2-arachidonyl-GPC. This enzyme functions with a pH optimum located between pH 7.0 and 8.0. It is characterized as a Ca(2+)-independent PLA(2) that plays a role in the release of linolenic acid.

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

  • leaves
  • flowers
  • seeds
  • pods
  • roots
Evidence Level: ★★★☆☆

What traditional systems uses this plant?

This plant, known as the broad bean or fava bean, has been cultivated as a primary dietary staple and nitrogen-fixing crop in Mediterranean and Near Eastern agricultural systems for thousands of years.

Ancient Egyptian civilizations included the legumes in funerary rites and religious offerings to honor the dead. In ancient Greece, philosophers like Pythagoras held complex cultural beliefs regarding the plant, which influenced its social status and consumption patterns. Throughout the Middle Ages, it served as a vital source of protein for the peasantry across Europe during periods of grain scarcity.

Historical farmers also integrated the plant into crop rotation cycles to naturally replenish soil fertility.

Evidence Level: ★☆☆☆☆

What are the pharmacological activities of Vicia faba?

This plant has anti-diabetic, anti-carcinogenic, anti-oxidant, cholesterol-lowering, and antimicrobial pharmacological activities. Its rich profile of polyphenols and flavonoids contributes significantly to its ability to combat oxidative stress in the body. These bioactive compounds also help regulate blood glucose levels and inhibit the growth of various pathogenic microorganisms. Furthermore, the plant demonstrates potential in reducing serum lipid levels to manage cholesterol and preventing the proliferation of cancer cells. These diverse therapeutic properties make Vicia faba a subject of interest for nutritional and medicinal research.

According to a study published by "Molecular biology reports", the Faba bean contains the flavonoid Butein, which is said to possess an anti-diabetic property. In-silico analysis predicts Butein is a potential anti-diabetic compound due to its regulatory action on PPAR-Gamma. In diabetic induced rat models, both Butein and its Chitosan formulation effectively controlled blood glucose levels without any side effects. The histo-pathological observations of tissue samples showed nontoxic activity. Gene expression analysis predicted the anti-diabetic action is exhibited through the down regulation of PPAR-Gamma.

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

  • anti-diabetic
  • anti-carcinogenic
  • anti-oxidant
  • cholesterol-lowering
  • antimicrobial
Evidence Level: ★★★☆☆

What medicinal compounds this plant contains?

This plant contains the medicinal compounds vicine, convicine, divicine, L-DOPA, and genistein. Vicine and convicine are glycosides that can trigger oxidative stress in individuals with specific enzyme deficiencies. Divicine is a highly reactive metabolite derived from these glycosides that can cause cellular damage. L-DOPA serves as a precursor to dopamine and is studied for its potential role in neurological health. Genistein is an isoflavone that functions as a phytoestrogen with various antioxidant and anti-inflammatory properties.

According to a study published by "Poultry science", Vicia faba contains vicine and tannins which vary among three different varieties. The plant also contains the vicine hydrolysis products divicine or the analogous product from convicine, isouramil, or both. These specific substances are known to cause hemolytic anemia in some humans who suffer from favism due to the consumption of field beans. While vicine has been shown to depress egg weight and hatchability when fed in large amounts, only traces of vicine were transferred to the egg in this study. The researchers investigated the effects of using three varieties of field beans at 20% in breeder diets.

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

  • Vicine
  • Convicine
  • Divicine
  • L-DOPA
  • Genistein
Evidence Level: ★★★☆☆

What health conditions is this plant used for?

This plant is used for managing favism, hemolytic anemia, malaria, hypercholesterolemia, and Type 2 diabetes mellitus. The seeds of Vicia faba contain bioactive compounds that may help regulate blood glucose levels in patients with Type 2 diabetes mellitus. Research suggests that certain components in the plant could assist in managing hypercholesterolemia by influencing lipid metabolism. Additionally, the plant has been studied for its role in relation to malaria and the oxidative stress associated with hemolytic anemia and favism. These diverse therapeutic properties make it a subject of significant interest in nutritional science.

According to a study published by "Bollettiato della Societa italiana di biologia sperimentale", the plant Vicia faba is studied in relation to favism. Researchers determined the levels of convicine + vicine, L-DOPA-glucoside + L-DOPA, and ascorbic acid in different lines of Vicia faba beans throughout the biological cycle. As the seed matures, the levels of convicine + vicine and ascorbic acid decrease in all the lines examined. L-DOPA is lacking in cotyledons but is present in the tegument. In some lines with white flowers, L-DOPA levels are nearly undetectable.

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

  • favism
  • hemolytic anemia
  • malaria
  • hypercholesterolemia
  • Type 2 diabetes mellitus
Evidence Level: ★★★☆☆

What are the herbal preparations of this plant?

This plant is Vicia faba, a species utilized to create medicinal herbal preparations including Bissara, extracts, acetone extract, ethanol-soluble factors, and protein concentrate. Researchers focus on these specific preparations to isolate bioactive compounds responsible for therapeutic effects. The acetone extract and ethanol-soluble factors are particularly important for identifying the plant's chemical constituents. Additionally, the development of protein concentrate aims to harness the nutritional and medicinal density of the seeds. These diverse preparations allow for a comprehensive study of the plant's pharmacological potential.

According to a study published by "Plant foods for human nutrition (Dordrecht, Netherlands)", protein scores were 24.6 for 'Medammis', 19.5 for 'Falafel', 29.2 for 'Nabet Soup', 28.2 for 'Bissara', and 35.6 for raw faba beans. The faba bean products covered approximately 53, 77, 77, and 97% of the daily requirements of an adult man in limiting amino acids when 150 g of the product was consumed. 'Bissara' possessed the highest nutritional value based on its ability to cover the daily requirements for an adult man's 63 g of protein and 2900 kcal of energy. While 'Bissara', 'Falafel', and 'Nabet Soup' resulted in the highest blood hemoglobin levels, the inclusion of 'Medammis' in the diet caused a significant reduction in blood hemoglobin levels (p < 0.05). Additionally, the inclusion of 'Medammis' caused fecal nitrogen excretion to increase and true nitrogen digestibility to decrease significantly (p < 0.01).

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

  • Bissara
  • Extracts
  • acetone extract
  • ethanol-soluble factors
  • protein concentrate
Evidence Level: ★★★☆☆

What side effects this plant can have?

This plant can cause serious health complications such as favism, acute hemolytic anemia, hyperbilirubinemia, hypercholesterolemia, and gastric cancer. Individuals with a glucose-6-phosphate dehydrogenase deficiency are particularly susceptible to favism, which triggers the rapid destruction of red blood cells. This destruction leads to acute hemolytic anemia and the subsequent buildup of bilirubin in the blood known as hyperbilirubinemia. Furthermore, excessive consumption has been linked to elevated cholesterol levels, a condition called hypercholesterolemia. Long-term dietary patterns involving high intake of this legume may also increase the risk of developing gastric cancer.

According to a study published by "Plant foods for human nutrition (Dordrecht, Netherlands)", the concentrations of vicine, convicine, and L-DOPA vary during the pod development of Vicia faba L. The vicine and convicine content is highest in fresh green cotyledons which have a moisture content of about 80%. These levels gradually decline until a constant level is reached when the seed dry matter percentage is around 40%. While the pods contain neither vicine nor convicine, they are particularly rich in L-DOPA. Additionally, these compounds are not homogeneously distributed in the seeds.

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

  • favism
  • acute hemolytic anemia
  • hyperbilirubinemia
  • hypercholesterolemia
  • gastric cancer
Evidence Level: ★★★☆☆

What herbs are paired with Vicia faba?

This plant, Vicia faba, pairs best with aromatic herbs such as rosemary, thyme, mint, and parsley to enhance its earthy profile.

These herbs complement the dense, starchy texture of the broad bean by adding bright top notes or woody depths. Mint and parsley provide a fresh contrast that cuts through the heavy protein content of the legume. Meanwhile, rosemary and thyme offer savory undertones that integrate well with Mediterranean-style preparations.

Utilizing these specific combinations creates a balanced culinary experience that elevates the natural flavor of the beans.

Evidence Level: ★☆☆☆☆