Plant Comparison
Ground Elder vs Ajwain
A side-by-side comparison of two medicinal plants — every documented constituent, action, use, safety note and cited source, assembled automatically from the Omnia Sana database.
At a glance
Ground Elder and Ajwain: both belong to the Apiaceae family.
Key Constituents
Falcarindiol, a potent COX-1 inhibitor (IC50 0.3 microM), identified as a key anti-inflammatory constituent underlying the plant's traditional anti-rheumatic and analgesic use.
Contribute to the plant's antioxidant activity.
Minor aromatic and coumarin constituents of the aerial parts.
Thymol is the principal active constituent, responsible for most of the antimicrobial, antispasmodic and carminative activity.
Secondary aromatic constituents contributing to the antimicrobial profile.
Pharmacological Actions
Traditional & Indicated Uses
inferred from anti-inflammatory action
inferred from anti-rheumatic action
inferred from anti-inflammatory action
inferred from anti-inflammatory action
inferred from diuretic action
inferred from diuretic action
inferred from digestive action
inferred from digestive action
Safety, Cautions & Contraindications
Generally safe as a food plant when young leaves are harvested. Contains furocoumarins (photosensitising compounds) — handling large quantities in bright sunlight may cause skin irritation. Individuals with Apiaceae allergies should exercise caution. Not recommended in therapeutic doses during pregnancy.
Generally safe at culinary amounts used in Indian and Middle Eastern cooking. Ajwain essential oil is highly concentrated and should not be ingested in large quantities — thymol toxicity can cause nausea, vomiting, and central nervous system effects at high doses. May increase photosensitivity (phototoxic potential of essential oil). May mildly lower blood pressure and blood sugar — caution when combined with antihypertensive or antidiabetic medications. Contains thymol, which may enhance anticoagulant effects at very high doses. Not recommended in medicinal doses during pregnancy (has emmenagogue properties in traditional use) or breastfeeding. Avoid in large amounts with peptic ulcer as it may aggravate gastric acidity in some individuals (Bairwa et al., 2012).
According to Duke (2002), ajowan essential oil is fungitoxic at 500 ppm and possesses spasmogenic activity. The oil is rich in thymol, which may be responsible for many of the plant's biological activities including its antispasmodic, carminative, and antimicrobial effects. Recommended dosage in traditional medicine is 3–6 g of powdered seed, or 125 mg of standardized extract (Duke, 2002).
External Ids
Botanical Description
Vigorous, low, patch-forming perennial herb spreading rapidly by white, brittle, creeping rhizomes. The leaves are broad and twice-ternate (in threes of threes), with oval, sharply toothed leaflets, borne on long stalks. In summer it sends up hollow, grooved, unspotted green stems topped with flat umbels of small white flowers, typical of the carrot family. The whole plant smells mildly of parsley or carrot when crushed.[1]
Slender annual herb with finely divided, feathery leaves, resembling a smaller parsley. Small white flowers are borne in flat-topped umbels, giving way to small, ridged, aromatic, oval seeds (technically schizocarps) that are the primary part used.[12]
Habitat
A common weed of gardens, hedgerows, shaded waste ground and disturbed soil, often near old dwellings; native to Europe and temperate Asia and widely naturalised elsewhere, where its invasive spreading rhizomes make it a persistent garden weed.[1]
Cultivated as an annual crop, mainly in India, Iran, Pakistan, Afghanistan and Egypt; believed native to the eastern Mediterranean region.[13]
Harvesting
The young leaves and stems are gathered in spring, before flowering, when they are most tender and least bitter; the root can be dug at the same time. Careful identification against poisonous Apiaceae look-alikes (poison hemlock, hemlock water-dropwort, fool's parsley) is essential before harvesting.[1]
Seeds are harvested when the umbels dry and turn brown, then threshed and dried further; leaves are gathered fresh through the growing season and the root is dug when needed.[12]
Traditional Uses
Ground elder has long been used in European folk medicine as a remedy for gout and rheumatic and arthritic joint pain (reflected in the name 'podagraria', from podagra, gout), typically applied as a poultice or taken as a decoction. The young leaves have also been eaten as a spring pot-herb, valued for their nutrient content as well as their medicinal reputation.[1]
Ajwain seed has a long South Asian and Middle Eastern culinary and Ayurvedic tradition as a warming digestive carminative for bloating and indigestion, an antispasmodic for menstrual cramps, an oral-health antiseptic, and a respiratory-supportive remedy, with its high thymol content underlying much of its antimicrobial and antispasmodic activity.[1, 12, 14]
Preparations
Dried or fresh leaf, stem and root simmered in water as a traditional remedy for gout and rheumatic pain.
Fresh leaves crushed or boiled and applied directly to gouty or arthritic joints.
Young spring leaves eaten as a cooked pot-herb, similarly to spinach, continuing the traditional food-medicine use.
References
Lookalikes Review
Dangerous Lookalikes
Not documented
Dosage
Not documented
Traditional sources suggest around 3-6 g of powdered seed daily, or 125 mg of a standardized extract. Educational reference only, not a prescription.
References & Sources
- Dębia, K., Dzięcioł, M., Wróblewska, A. and Janda-Milczarek, K (2025) 'Goutweed (Aegopodium podagraria L.): An Edible Weed with Health-Promoting Properties', Molecules, 30(7), pp. 1603. doi:10.3390/molecules30071603 Traditional / reference
https://doi.org/10.3390/molecules30071603 - Engelhardt, L., Pöhnl, T. and Neugart, S (2022) 'Edible Wild Vegetables Urtica dioica L. and Aegopodium podagraria L.: Antioxidants Affected by Processing', Plants (Basel), 11(20), pp. 2710. doi:10.3390/plants11202710 Preclinical
https://doi.org/10.3390/plants11202710 - Jakubczyk, K., Łukomska, A., Czaplicki, S., Wajs-Bonikowska, A., Gutowska, I. et al (2021) 'Bioactive Compounds in Aegopodium podagraria Leaf Extracts and Their Effects against Fluoride-Modulated Oxidative Stress in the THP-1 Cell Line', Pharmaceuticals (Basel), 14(12), pp. 1334. doi:10.3390/ph14121334 Preclinical
https://doi.org/10.3390/ph14121334 - Tovchiga, O.V (2016) 'The influence of goutweed (Aegopodium podagraria L.) tincture and metformin on the carbohydrate and lipid metabolism in dexamethasone-treated rats', BMC Complementary and Alternative Medicine, 16, pp. 235. doi:10.1186/s12906-016-1221-y Preclinical
https://doi.org/10.1186/s12906-016-1221-y - Flieger, J. and Flieger, M (2020) 'The [DPPH/DPPH-H]-HPLC-DAD Method on Tracking the Antioxidant Activity of Pure Antioxidants and Goutweed (Aegopodium podagraria L.) Hydroalcoholic Extracts', Molecules, 25(24), pp. 6005. doi:10.3390/molecules25246005 Preclinical
https://doi.org/10.3390/molecules25246005 - Prior, R.M., Lundgaard, N.H., Light, M.E., Stafford, G.I., van Staden, J. and Jager, A.K (2007) 'The polyacetylene falcarindiol with COX-1 activity isolated from Aegopodium podagraria L', Journal of Ethnopharmacology, 113(1), pp. 176-178. doi:10.1016/j.jep.2007.05.005 Preclinical
https://doi.org/10.1016/j.jep.2007.05.005 - Niziol-Lukaszewska, Z., Zagorska-Dziok, M., Ziemlewska, A. and Bujak, T (2020) 'Comparison of the Antiaging and Protective Properties of Plants from the Apiaceae Family', Oxidative Medicine and Cellular Longevity, 2020, pp. 5307614. doi:10.1155/2020/5307614 Preclinical
https://doi.org/10.1155/2020/5307614 - Baranauskiene, R., Rackauskiene, I. and Venskutonis, P.R (2025) 'Characterization of Steam Volatiles and Evaluation of the Antioxidant Properties of Different Extracts from Leaves and Roots of Aegopodium podagraria L', Molecules, 30(24), pp. 4786. doi:10.3390/molecules30244786 Preclinical
https://doi.org/10.3390/molecules30244786 - Ojala, T., Vuorela, P., Kiviranta, J., Vuorela, H. and Hiltunen, R (1999) 'A bioassay using Artemia salina for detecting phototoxicity of plant coumarins', Planta Medica, 65(8), pp. 715-718. doi:10.1055/s-1999-14049 Preclinical
https://doi.org/10.1055/s-1999-14049 - Schulte, K.E. and Wulfhorst, G (1977) 'Polyacetylene compounds from Aegopodium podagraria L', Archiv der Pharmazie, 310(4), pp. 285-298. doi:10.1002/ardp.19773100403 Preclinical
https://doi.org/10.1002/ardp.19773100403 - Grieve, M (1931) 'A Modern Herbal'. Traditional / reference
https://scholar.google.com/scholar?q=A%20Modern%20Herbal - Moerman, D.E (1998) 'Native American Ethnobotany'. Traditional / reference
https://scholar.google.com/scholar?q=Native%20American%20Ethnobotany - Royal Botanic Gardens, Kew (n.d.). Available at: https://powo.science.kew.org Traditional / reference
https://powo.science.kew.org - Duke, J.A (2002) 'Handbook of Medicinal Herbs, Second Edition'. Traditional / reference
https://scholar.google.com/scholar?q=Handbook%20of%20Medicinal%20Herbs%2C%20Second%20Edition - Dayan, A.D (2024) 'Death of Socrates: a likely case of poison hemlock (Conium maculatum) poisoning', Clinical Toxicology (Philadelphia, Pa.), 62(1), pp. 56-60. doi:10.1080/15563650.2024.2309328 Clinical study
https://doi.org/10.1080/15563650.2024.2309328 - King County Noxious Weeds (2024) 'Poison hemlock (Conium maculatum) identification and control'. Available at: https://kingcounty.gov/en/dept/dnrp/nature-recreation/environment-ecology-conservation/noxious-weeds/identification-control/poison-hemlock Traditional / reference
https://kingcounty.gov/en/dept/dnrp/nature-recreation/environment-ecology-conservation/noxious-weeds/identification-control/poison-hemlock - Mitchell, M.I. and Routledge, P.A (1978) 'Hemlock water dropwort poisoning - a review', Clinical Toxicology, 12(4), pp. 417-26. doi:10.3109/15563657809150012 Clinical study
https://doi.org/10.3109/15563657809150012 - Teuscher, E. and Greger, H. and Adrian, V (1990) 'Toxicity of Aethusa cynapium L. (fool's parsley)', Pharmazie, 45(7), pp. 537-8. Available at: https://pubmed.ncbi.nlm.nih.gov/2236201/ Preclinical
https://pubmed.ncbi.nlm.nih.gov/2236201/ - Minnesota Wildflowers (2024) 'Aethusa cynapium (Fool's Parsley)'. Available at: https://www.minnesotawildflowers.info/flower/fools-parsley Traditional / reference
https://www.minnesotawildflowers.info/flower/fools-parsley
- Bairwa, R., Sodha, R.S. and Rajawat, B.S (2012) 'Trachyspermum ammi', 6(11), pp. 56--60. doi:10.4103/0973-7847.95871 Traditional / reference
https://doi.org/10.4103/0973-7847.95871 - Eftekhari, M., Hoseinsalari, A., Mansourian, M., Farjadmand, F., Shams Ardekani, M.R., Sharifzadeh, M., Hassanzadeh, G., Khanavi, M. and Gholami, M (2019) 'Trachyspermum ammi (L.) Sprague, superb essential oil and its major components on peptic ulcers: in vivo combined in silico studies', DARU Journal of Pharmaceutical Sciences, 27(1), pp. 317-327. doi:10.1007/s40199-019-00279-y Preclinical
https://doi.org/10.1007/s40199-019-00279-y - Khan, A. and Gilani, A.H (2023) 'An insight investigation to the antiurolithic activity of Trachyspermum ammi using the in vitro and in vivo experiments', Urolithiasis, 51(1), pp. 43. doi:10.1007/s00240-023-01415-9 Preclinical
https://doi.org/10.1007/s00240-023-01415-9 - Soni, K. and Parle, M (2017) 'Trachyspermum ammi Seeds Supplementation Helps Reverse Scopolamine, Alprazolam and Electroshock Induced Amnesia', Neurochemical Research, 42(5), pp. 1333-1344. doi:10.1007/s11064-017-2177-0 Preclinical
https://doi.org/10.1007/s11064-017-2177-0 - Gupta, B.D., Kar, A., Narayan, S., Thakur, C.P., Mukherjee, P.K. and Haldar, P.K (2023) 'Ultra-performance liquid chromatography-Quadrupole time-of-flight tandem mass spectrometry-based metabolite profiling, quality evaluation, and marker analysis of Trachyspermum ammi (L.) Sprague by high-performance thin-layer chromatography', Journal of Separation Science, 46(10), pp. e2200872. doi:10.1002/jssc.202200872 Preclinical
https://doi.org/10.1002/jssc.202200872 - Arasu, A., Pingley, V., Prabha, N., O V, R., Annathurai, K., Kasirajan, S., Govindasamy, A., Alwahibi, M.S., Elshikh, M.S., Abdel Gawwad, M.R. and Arockiaraj, J (2021) 'Impact and fungitoxic spectrum of Trachyspermum ammi against Candida albicans, an opportunistic pathogenic fungus commonly found in human gut that causes Candidiasis infection', Journal of Infection and Public Health, 14(12), pp. 1854-1863. doi:10.1016/j.jiph.2021.09.027 Preclinical
https://doi.org/10.1016/j.jiph.2021.09.027 - Sharifzadeh, A., Khosravi, A.R., Shokri, H. and Sharafi, G (2015) 'Antifungal effect of Trachyspermum ammi against susceptible and fluconazole-resistant strains of Candida albicans', Journal de Mycologie Medicale, 25(2), pp. 143-150. doi:10.1016/j.mycmed.2015.03.008 Preclinical
https://doi.org/10.1016/j.mycmed.2015.03.008 - Petramfar, P., Moein, M., Samani, S.M., Tabatabaei, S.H. and Zarshenas, M.M (2016) 'Trachyspermum ammi 10% topical cream versus placebo on neuropathic pain, a randomized, double-blind, placebo-controlled trial', Neurological Sciences, 37(9), pp. 1449-1455. doi:10.1007/s10072-016-2600-3 Randomized trial
https://doi.org/10.1007/s10072-016-2600-3 - Saleem, U., Riaz, S., Ahmad, B. and Saleem, M (2017) 'Pharmacological Screening of Trachyspermum ammi for Antihyperlipidemic Activity in Triton X-100 Induced Hyperlipidemia Rat Model', Pharmacognosy Research, 9(Suppl 1), pp. S34-S40. doi:10.4103/pr.pr_37_17 Preclinical
https://doi.org/10.4103/pr.pr_37_17 - Dadpe, M.V., Dhore, S.V., Dahake, P.T., Kale, Y.J., Kendre, S.B. and Siddiqui, A.G (2018) 'Evaluation of antimicrobial efficacy of Trachyspermum ammi (Ajwain) oil and chlorhexidine against oral bacteria: An in vitro study', Journal of the Indian Society of Pedodontics and Preventive Dentistry, 36(4), pp. 357-363. doi:10.4103/JISPPD.JISPPD_65_18 Preclinical
https://doi.org/10.4103/JISPPD.JISPPD_65_18 - Arabi Monfared, A., Ayatollahi Mousavi, S.A., Zomorodian, K., Mehrabani, D., Iraji, A. and Moein, M.R (2020) 'Trachyspermum ammi aromatic water: A traditional drink with considerable anti-Candida activity', Current Medical Mycology, 6(3), pp. 1-8. doi:10.18502/cmm.6.3.3979 Preclinical
https://doi.org/10.18502/cmm.6.3.3979 - Awan, S.J., Kanwal, M., Riaz, M.N. et al (2021) 'A Review on the Medicinal Potential of Trachyspermum ammi', pp. 302--311. doi:10.9734/jpri/2021/v33i41B32457 Traditional / reference
https://doi.org/10.9734/jpri/2021/v33i41B32457 - Royal Botanic Gardens, Kew (n.d.) 'Trachyspermum ammi (L.) Sprague'. Available at: https://powo.science.kew.org/taxon/urn:lsid:http://ipni.org:names:436285-1 Traditional / reference
https://powo.science.kew.org/taxon/urn:lsid:http://ipni.org:names:436285-1 - Boskabady, M.H., Alitaneh, S. and Alavinezhad, A (2014) 'Carum copticum L.: A Herbal Medicine with Various Pharmacological Effects'. doi:10.1155/2014/569087 Traditional / reference
https://doi.org/10.1155/2014/569087 - Shova, D.C., Shrestha, S., Sharma, S. and Dhakal, H (2020) 'GC-MS analysis, antibacterial, antioxidant study and brine shrimp lethality analysis of Trachyspermum ammi (L.) Sprague', 1(1), pp. 45--50. Traditional / reference
https://scholar.google.com/scholar?q=GC-MS%20analysis%2C%20antibacterial%2C%20antioxidant%20study%20and%20brine%20shrimp%20lethality%20analysis%20of%20Trachyspermum%20ammi%20%28L.%29%20Sprague - Duke, J.A (2002) 'Handbook of Medicinal Herbs, Second Edition'. Traditional / reference
https://scholar.google.com/scholar?q=Handbook%20of%20Medicinal%20Herbs%2C%20Second%20Edition
Generated automatically from the Omnia Sana plant database and its cited sources. For educational purposes only — not medical advice. Always consult a qualified practitioner before using medicinal plants.