Broadleaf plantain

Broadleaf plantain (Plantago major) is a perennial plant from the plantain family (Plantaginaceae). It is distributed worldwide and prefers to grow along path edges, in meadows, and in gardens. The plant is characterized by its broad leaves growing close to the ground, arranged in a rosette, as well as by its long, inconspicuous flower spikes. Broadleaf plantain is one of the oldest medicinal plants and is used in both traditional and modern medicine.

What benefits does broadleaf plantain offer?

Broadleaf plantain possesses numerous health-promoting properties that make it a versatile medicinal plant regularly used in traditional medicine. Broadleaf plantain has been linked in studies to a wide variety of different potential health benefits, but in some areas more research is needed before definitive statements can be made. Here are some of the traditional areas of application and the scientific findings:

  • Wound healing: The anti-inflammatory and antibacterial properties of broadleaf plantain support the healing of wounds, insect bites, and skin irritations (1,2,3,4). It is traditionally applied to injured skin as a poultice or plaster.
  • Coughs and respiratory diseases: Broadleaf plantain is said to have expectorant and irritation-soothing effects, which is why it is frequently used in traditional medicine to relieve coughs and bronchial conditions (5). Studies also showed an effect (6)
  • Inflammation inhibition: The active compounds it contains have anti-inflammatory effects that could be helpful for gastrointestinal complaints and inflammatory conditions. (1,2,4)
  • Detoxification: Broadleaf plantain is traditionally used as a blood-purifying remedy and is said to help support the metabolism and the elimination of harmful substances. In studies, an effect on the kidneys was observed. (2,5)
  • Antimicrobial effect: Studies have shown that broadleaf plantain exhibits antibacterial as well as antiviral and antifungal effects (1,2,4,7,8).
  • Digestive support: Broadleaf plantain has been linked to a soothing effect on diarrheal illnesses (1,2).

How does broadleaf plantain work?

The effects of broadleaf plantain are based on its numerous bioactive constituents in addition to mucilages, iridoid glycosides (e.g., aucubin), tannins, flavonoids and various micronutrients, a total of over 31 active compounds can be found in broadleaf plantain, contributing to its effects in different ways (9).

Side effects and precautions

Broadleaf plantain is considered very safe to use, but there are still a few aspects to keep in mind:

  • Allergies: In rare cases, allergic reactions can occur, especially in people with sensitivity to plants of the plantain family.
  • Pregnancy and breastfeeding: There are no sufficient studies on safety during pregnancy and breastfeeding, which is why use should only take place after consulting a doctor.
  • Interactions: Broadleaf plantain can impair the absorption of certain medications in the intestine when consumed in large quantities.

Conclusion

Broadleaf plantain is a versatile medicinal plant with a long tradition in naturopathy. Its anti-inflammatory, antibacterial, and wound-healing properties make it a valuable remedy for numerous complaints. Whether as a tea, a poultice, or processed into ointments – broadleaf plantain is a natural and effective support for health. To be safe, however, a doctor should ideally be consulted before taking it.

Sources:

  1. Adom, M. B., Taher, M., Mutalabisin, M. F., Amri, M. S., Abdul Kudos, M. B., Wan Sulaiman, M. W. A., Sengupta, P., & Susanti, D. (2017). Chemical constituents and medical benefits of Plantago major. Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie, 96, 348–360. https://doi.org/10.1016/j.biopha.2017.09.152
  2. Najafian, Y., Hamedi, S. S., Farshchi, M. K., & Feyzabadi, Z. (2018). Plantago major in Traditional Persian Medicine and modern phytotherapy: a narrative review. Electronic physician, 10(2), 6390–6399. https://doi.org/10.19082/6390
  3. Thomé RG, Santos HB, Santos FV, Oliveira RJ, De Camargos LF, Pereira MN, et al. Evaluation of healing wound and genotoxicity potentials from extracts hydroalcoholic of Plantago major and Siparuna guianensis. Exp Biol Med (Maywood) 2012;237:1379–86. doi: 10.1258/ebm.2012.012139.
  4. Zhakipbekov, K., Turgumbayeva, A., Issayeva, R., Kipchakbayeva, A., Kadyrbayeva, G., Tleubayeva, M., Akhayeva, T., Tastambek, K., Sainova, G., Serikbayeva, E., Tolenova, K., Makhatova, B., Anarbayeva, R., Shimirova, Z., & Tileuberdi, Y. (2023). Antimicrobial and Other Biomedical Properties of Extracts from Plantago major, Plantaginaceae. Pharmaceuticals, 16(8), 1092. https://doi.org/10.3390/ph16081092
  5. Nazarizadeh, A., Mikaili, P., Moloudizargari, M., Aghajanshakeri, S., & Javaherypour, S. (2013). Therapeutic uses and pharmacological properties of Plantago major L. and its active constituents. Journal of Basic and Applied Scientific Research, 3(4), 212–221.
  6. Naderi, A., Mozaffarpur, S. A., Shirafkan, H., Bayani, M., & Memariani, Z. (2024). Effect of Plantago major on cough severity in acute bronchitis: A double-blind randomized clinical trial. Caspian journal of internal medicine, 15(4), 651–658. https://doi.org/10.22088/cjim.15.4.651
  7. Haddadian, K., Haddadian, K., & Zahmatkash, M. (2014). A review of Plantago plant.
  8. Chiang L, Chiang W, Chang M, Ng L, Lin C. Antiviral activity of Plantago major extracts and related compounds in vitro. Antiviral Res. 2002;55:53–62. doi: 10.1016/S0166-3542(02)00007-4.
  9. Turgumbayeva A, Zhakipbekov K, Shimirova Z, Akhelova S, Amirkhanova A, Koilybayeva M, Seitimova G, Abdambayev D (2022) Study of phytochemical compounds of Plantago major leaves grown in Kazakhstan. Pharmacia 69(4): 1019-1026.[ https://doi.org/10.3897/pharmacia.69.e96526