Plant Comparison
Coriander vs Turmeric
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
Coriander and Turmeric: they share 7 indicated uses (arthritis / joint pain, indigestion, infection (general), …); 3 pharmacological actions in common.
Evidence face-off — shared uses
| Condition | Coriander | Turmeric | Verdict |
|---|---|---|---|
| Arthritis / joint pain | 1/10 | 3/10 | Stronger for Turmeric |
| Indigestion | 1/10 | 3/10 | Stronger for Turmeric |
| Infection (general) | 1/10 | 3/10 | Stronger for Turmeric |
| Inflammation (general) | 1/10 | 3/10 | Stronger for Turmeric |
| Metabolic support | 1/10 | 3/10 | Stronger for Turmeric |
| Skin irritation | 1/10 | 3/10 | Stronger for Turmeric |
| Wounds | 1/10 | 3/10 | Stronger for Turmeric |
Evidence scores (1–10) are computed from the tier of each cited source. “Comparable” means the two scores are within one point. Follow a score to its detailed sources.
Key Constituents
Seed essential oil dominated by linalool, giving the characteristic aroma and much of the antimicrobial and carminative activity.
Antioxidant flavonoids and phenolics, notably quercetin derivatives, identified across leaf and seed extracts.
The principal yellow-orange pigments and best-studied bioactive compounds, responsible for most of turmeric's anti-inflammatory and antioxidant activity; oral bioavailability is low unless combined with piperine or a lipid carrier.
Aromatic sesquiterpenes (including turmerone) contributing to fragrance and additional bioactivity.
Pharmacological Actions
Traditional & Indicated Uses
inferred from anti-inflammatory action
inferred from digestive action
inferred from antimicrobial action
inferred from anti-inflammatory action
inferred from antispasmodic action
inferred from antispasmodic action
inferred from anti-inflammatory action
inferred from gastroprotective action
inferred from antidiabetic action
inferred from anticancer action
inferred from gastroprotective action
inferred from antimicrobial action
inferred from anti-inflammatory action
inferred from antidiabetic action
inferred from anti-inflammatory action
Safety, Cautions & Contraindications
• Food use is generally safe for most people (leaf in salads, seed as spice) (Burdock & Carabin, 2009). • Allergy is the main “big warning.” Coriander can trigger reactions ranging from mild oral itching to more serious allergy in sensitive people, especially those with pollen allergies (e.g., birch/mugwort) or other Apiaceae spice allergies (Thermo Fisher/Phadia, n.d.; Berghea et al., 2025). • If you use supplements (capsules/powder) and you take diabetes medication, be cautious: coriander seed powder has shown blood-sugar improvements in a small human trial, so it may add to the effect of glucose-lowering meds (Zamany et al., 2025). • Essential oil is not the same as the spice. Coriander essential oil is highly concentrated and should not be taken internally in “DIY doses.” It can be irritating, and safety data are discussed mainly for food-flavouring levels—not self-prescribed medicinal dosing (Burdock & Carabin, 2009). • Pregnancy / breastfeeding: normal culinary amounts are generally considered fine; “medicinal-dose” supplements or essential oil are best avoided unless guided by a qualified professional because safety data at higher doses is limited (Burdock & Carabin, 2009).
Duke (2002) provides clinical evidence (score 2) for coriander's role as an aperitif (appetite stimulant) and digestive tonic, consistent with Commission E approval. It demonstrates antispasmodic, carminative, and antifungal activities at the experimental level. Dose: 1–3 g crushed fruits (seeds) three times daily, or equivalent preparations. Duke notes mild hypoglycemic activity and a potential antiimplantation effect in high doses — use with caution in women attempting pregnancy (Duke, 2002).
Generally very safe in culinary quantities. High-dose curcumin supplements may cause gastrointestinal upset. May interact with anticoagulants (warfarin), antidiabetic drugs, and acid-suppressing medications. Avoid very high doses during pregnancy and breastfeeding. Rarely causes allergic reactions.
Duke (2002) rates turmeric as +++ with clinical evidence (score 2) for anti-inflammatory activity, consistent with Commission E and WHO approvals. Curcumin is the primary bioactive compound with well-documented anti-inflammatory, antioxidant, anti-aggregant, and hepatoprotective effects. Duke notes Commission E approval for dyspeptic complaints. Dose: 1.5–3 g dried rhizome powder daily. A major pharmacological consideration is bioavailability: curcumin alone has low absorption, but combining with piperine (black pepper) increases bioavailability by up to 2000%. Contraindicated in bile duct obstruction; use with caution in gallstones and during pregnancy at medicinal doses (Duke, 2002).
External Ids
Botanical Description
Slender annual herb with delicate, broad, lobed lower leaves and finely divided, feathery upper leaves - a marked contrast within the same plant. Small white or pale pink flowers are borne in flat compound umbels, followed by round, ridged, aromatic seeds. The fresh leaf ('cilantro') has a distinctive citrusy aroma, often described as soapy by those with a genetic sensitivity to it.[4]
Rhizomatous perennial herb with large, broad, lance-shaped leaves arising directly from the underground rhizome in a clump. Pale yellow flowers are borne in a dense spike partly hidden among pale green to pink upper bracts. The branching, knobbly rhizome has a bright orange-yellow interior, the source of turmeric spice and dye.[1]
Habitat
Believed native to the Mediterranean region and Western Asia; cultivated worldwide as a culinary herb and spice crop on well-drained, sunny sites.[4]
Native to South Asia (India) and Southeast Asia; cultivated extensively in warm, humid tropical climates on well-drained, fertile soils.
Harvesting
Leaves are picked fresh through the growing season, before the plant bolts (flowers), when the flavour is best; the seed is harvested in late summer once the umbels have browned and dried, then threshed; the root can be dug at the same time as young leaves.
The rhizomes are dug at the end of the growing season, typically 8-10 months after planting, when the leaves have died back; they are cleaned, boiled or steamed, then dried and often ground into the familiar yellow powder.
Traditional Uses
Coriander seed and leaf have a very long culinary and medicinal history across the Mediterranean, Middle East and Asia as a digestive carminative for indigestion, bloating and cramping, and, more recently, studied for calming/anxiolytic effects on the central nervous system alongside cardiovascular and metabolic benefits.[1, 4]
Turmeric rhizome is a cornerstone spice and medicine of Ayurvedic and traditional Chinese medicine, used for millennia as an anti-inflammatory, digestive and wound-healing remedy and valued as a golden dye; its curcuminoid-rich rhizome is now among the most extensively researched botanicals for inflammatory and joint conditions, directly building on this traditional reputation.[1, 13]
Preparations
Seed powder or extract studied for glycaemic and psychiatric-symptom support in clinical and preclinical work.
Rhizome extract standardised to curcuminoid content, often combined with piperine (black pepper extract) to improve absorption, taken as capsules; the form used in most clinical arthritis and inflammation studies.
References
Lookalikes Review
Dangerous Lookalikes
Not documented
Dosage
Not documented
Clinical trials in arthritis commonly use around 1000-1500 mg of curcumin (or curcuminoid-standardised extract) daily, in divided doses, often combined with piperine. Educational reference only, not a prescription.
Drug Class Interactions
Not documented
References & Sources
- Santibáñez, A., Jiménez-Ferrer, E., Angulo-Bejarano, P.I., Sharma, A. and Herrera-Ruiz, M (2023) 'Coriandrum sativum and Its Utility in Psychiatric Disorders', Molecules, 28(14), pp. 5314. doi:10.3390/molecules28145314 Traditional / reference
https://doi.org/10.3390/molecules28145314 - Wei, J.N., Liu, Z.H., Zhao, Y.P., Zhao, L.L. et al (2019) 'Phytochemical and bioactive profile of Coriandrum sativum L', Food Chemistry, 286, pp. 260-267. doi:10.1016/j.foodchem.2019.01.171 Traditional / reference
https://doi.org/10.1016/j.foodchem.2019.01.171 - Hosseini, M., Boskabady, M.H. and Khazdair, M.R (2021) 'Neuroprotective effects of Coriandrum sativum and its constituent, linalool: A review', Avicenna Journal of Phytomedicine, 11(5), pp. 436-450. doi:10.22038/AJP.2021.55681.2786 Traditional / reference
https://doi.org/10.22038/AJP.2021.55681.2786 - Mahleyuddin, N.N., Moshawih, S., Ming, L.C., Zulkifly, H.H., Kifli, N. and Loy, M.J (2021) 'Coriandrum sativum L.: A Review on Ethnopharmacology, Phytochemistry, and Cardiovascular Benefits', Molecules, 27(1), pp. 209. doi:10.3390/molecules27010209 Meta-analysis / review
https://doi.org/10.3390/molecules27010209 - Prachayasittikul, V., Prachayasittikul, S., Ruchirawat, S. and Prachayasittikul, V (2017) 'Coriander (Coriandrum sativum): A promising functional food toward the well-being', Food Research International, 105, pp. 305-323. doi:10.1016/j.foodres.2017.11.019 Meta-analysis / review
https://doi.org/10.1016/j.foodres.2017.11.019 - Laribi, B., Kouki, K., M'Hamdi, M. and Bettaieb, T (2015) 'Coriander (Coriandrum sativum L.) and its bioactive constituents', Fitoterapia, 103, pp. 9-26. doi:10.1016/j.fitote.2015.03.012 Meta-analysis / review
https://doi.org/10.1016/j.fitote.2015.03.012 - Sahib, N.G., Anwar, F., Gilani, A.H., Hamid, A.A., Saari, N. and Alkharfy, K.M (2012) 'Coriander (Coriandrum sativum L.): a potential source of high-value components for functional foods and nutraceuticals - a review', Phytotherapy Research, 27(10), pp. 1439-1456. doi:10.1002/ptr.4897 Meta-analysis / review
https://doi.org/10.1002/ptr.4897 - Scandar, S., Zadra, C. and Marcotullio, M.C (2023) 'Coriander (Coriandrum sativum) Polyphenols and Their Nutraceutical Value against Obesity and Metabolic Syndrome', Molecules, 28(10), pp. 4187. doi:10.3390/molecules28104187 Meta-analysis / review
https://doi.org/10.3390/molecules28104187 - Al-Khayri, J.M., Banadka, A., Nandhini, M., Nagella, P., Al-Mssallem, M.Q. and Alessa, F.M (2023) 'Coriandrum sativum Essential Oil: A review on Its Phytochemistry and Biological Activity', Molecules, 28(2), pp. 696. doi:10.3390/molecules28020696 Meta-analysis / review
https://doi.org/10.3390/molecules28020696 - Kukner, A., Soyler, G., Toros, P., Dede, G., Mericli, F. and Isik, S (2020) 'Protective effect of Coriandrum sativum extract against inflammation and apoptosis in liver ischaemia/reperfusion injury', Folia Morphologica, 80(2), pp. 363-371. doi:10.5603/FM.a2020.0060 Preclinical
https://doi.org/10.5603/FM.a2020.0060 - Liu, Q.F., Jeong, H., Lee, J.H., Hong, Y.K., Oh, Y. and Kim, Y.M (2016) 'Coriandrum sativum Suppresses Abeta42-Induced ROS Increases, Glial Cell Proliferation, and ERK Activation', American Journal of Chinese Medicine, 44(7), pp. 1325-1347. doi:10.1142/S0192415X16500749 Preclinical
https://doi.org/10.1142/S0192415X16500749 - Koppula, S., Alluri, R. and Kopalli, S.R (2021) 'Coriandrum sativum attenuates microglia mediated neuroinflammation and MPTP-induced behavioral and oxidative changes in Parkinson's disease mouse model', EXCLI Journal, 20, pp. 835-850. doi:10.17179/excli2021-3668 Preclinical
https://doi.org/10.17179/excli2021-3668 - Laribi, B., Kouki, K., M'Hamdi, M. and Bettaieb, T (2015) 'Coriander (Coriandrum sativum L.) and its bioactive constituents', pp. 9--26. Traditional / reference
https://scholar.google.com/scholar?q=Coriander%20%28Coriandrum%20sativum%20L.%29%20and%20its%20bioactive%20constituents - Royal Botanic Gardens, Kew (n.d.). Available at: https://powo.science.kew.org Traditional / reference
https://powo.science.kew.org - World Health Organization (1999) 'WHO Monographs on Selected Medicinal Plants'. Traditional / reference
https://scholar.google.com/scholar?q=WHO%20Monographs%20on%20Selected%20Medicinal%20Plants - 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 - Grow Forage Cook Ferment 'Poison Hemlock: How to Identify and Potential Look-alikes'. Available at: https://www.growforagecookferment.com/poison-hemlock/ Traditional / reference
https://www.growforagecookferment.com/poison-hemlock/ - 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 - Botanical Society of Scotland (2023) 'Plant of the Week: Fool's Parsley (Aethusa cynapium)'. Available at: https://botsoc.scot/2023/08/20/plant-of-the-week-21st-august-2023-fools-parsley-aethusa-cynapium/ Traditional / reference
https://botsoc.scot/2023/08/20/plant-of-the-week-21st-august-2023-fools-parsley-aethusa-cynapium/
- Zeng, L., Yang, T., Yang, K., Yu, G. et al (2022) 'Efficacy and Safety of Curcumin and Curcuma longa Extract in the Treatment of Arthritis: A Systematic Review and Meta-Analysis of Randomized Controlled Trials', Frontiers in Immunology, 13, pp. 891822. doi:10.3389/fimmu.2022.891822 Meta-analysis / review
https://doi.org/10.3389/fimmu.2022.891822 - Zeng, L., Yu, G., Hao, W., Yang, K. and Chen, H (2021) 'The efficacy and safety of Curcuma longa extract and curcumin supplements on osteoarthritis: a systematic review and meta-analysis', Bioscience Reports, 41(6), pp. BSR20210817. doi:10.1042/BSR20210817 Meta-analysis / review
https://doi.org/10.1042/BSR20210817 - Marton, L.T., Pescinini-E-Salzedas, L.M., Camargo, M.E.C., Barbalho, S.M. et al (2021) 'The Effects of Curcumin on Diabetes Mellitus: A Systematic Review', Frontiers in Endocrinology, 12, pp. 669448. doi:10.3389/fendo.2021.669448 Meta-analysis / review
https://doi.org/10.3389/fendo.2021.669448 - Kocaadam, B. and Sanlier, N (2017) 'Curcumin, an active component of turmeric (Curcuma longa), and its effects on health', Critical Reviews in Food Science and Nutrition, 57(13), pp. 2889-2895. doi:10.1080/10408398.2015.1077195 Meta-analysis / review
https://doi.org/10.1080/10408398.2015.1077195 - Vaughn, A.R., Branum, A. and Sivamani, R.K (2016) 'Effects of turmeric (Curcuma longa) on skin health: a systematic review of the clinical evidence', Phytotherapy Research, 30(8), pp. 1243-1264. doi:10.1002/ptr.5640 Meta-analysis / review
https://doi.org/10.1002/ptr.5640 - Soleimani, V., Sahebkar, A. and Hosseinzadeh, H (2018) 'Turmeric (Curcuma longa) and its major constituent (curcumin) as nontoxic and safe substances: review', Phytotherapy Research, 32(6), pp. 985-995. doi:10.1002/ptr.6054 Meta-analysis / review
https://doi.org/10.1002/ptr.6054 - Zeng, L., Yang, T., Yang, K., Yu, G., Li, J., Xiang, W. and Chen, H (2022) 'Curcumin and Curcuma longa extract in the treatment of 10 types of autoimmune diseases: a systematic review and meta-analysis of 31 randomized controlled trials', Frontiers in Immunology, 13, pp. 896476. doi:10.3389/fimmu.2022.896476 Meta-analysis / review
https://doi.org/10.3389/fimmu.2022.896476 - Razavi, B.M., Ghasemzadeh Rahbardar, M. and Hosseinzadeh, H (2021) 'A review of therapeutic potentials of turmeric (Curcuma longa) and its active constituent, curcumin, on inflammatory disorders, pain, and their related patents', Phytotherapy Research, 35(12), pp. 6489-6513. doi:10.1002/ptr.7224 Meta-analysis / review
https://doi.org/10.1002/ptr.7224 - Memarzia, A., Khazdair, M.R., Behrouz, S., Gholamnezhad, Z., Jafarnezhad, M., Saadat, S. and Boskabady, M.H (2021) 'Experimental and clinical reports on anti-inflammatory, antioxidant, and immunomodulatory effects of Curcuma longa and curcumin, an updated and comprehensive review', BioFactors, 47(3), pp. 311-350. doi:10.1002/biof.1716 Meta-analysis / review
https://doi.org/10.1002/biof.1716 - Jurenka, J.S (2009) 'Anti-inflammatory properties of curcumin, a major constituent of Curcuma longa: a review of preclinical and clinical research', Alternative Medicine Review, 14(2), pp. 141-153. Meta-analysis / review
https://scholar.google.com/scholar?q=Anti-inflammatory%20properties%20of%20curcumin%2C%20a%20major%20constituent%20of%20Curcuma%20longa%3A%20a%20review%20of%20preclinical%20and%20clinical%20research - Hosseini, A. and Hosseinzadeh, H (2018) 'Antidotal or protective effects of Curcuma longa (turmeric) and its active ingredient, curcumin, against natural and chemical toxicities: a review', Biomedicine & Pharmacotherapy, 99, pp. 411-421. doi:10.1016/j.biopha.2018.01.072 Meta-analysis / review
https://doi.org/10.1016/j.biopha.2018.01.072 - Araujo, C.C. and Leon, L.L (2001) 'Biological activities of Curcuma longa L', Memorias do Instituto Oswaldo Cruz, 96(5), pp. 723-728. doi:10.1590/s0074-02762001000500026 Meta-analysis / review
https://doi.org/10.1590/s0074-02762001000500026 - Aggarwal, B.B. and Harikumar, K.B (2009) 'Potential therapeutic effects of curcumin, the anti-inflammatory agent, against neurodegenerative, cardiovascular, pulmonary, metabolic, autoimmune and neoplastic diseases', 41(1), pp. 40--59. doi:10.1016/j.biocel.2008.06.010 Traditional / reference
https://doi.org/10.1016/j.biocel.2008.06.010 - Shoba, G. et al (1998) 'Influence of piperine on the pharmacokinetics of curcumin in animals and human volunteers', 64(4), pp. 353--356. doi:10.1055/s-2006-957450 Clinical study
https://doi.org/10.1055/s-2006-957450 - WHO (1999) 'WHO Monographs on Selected Medicinal Plants'. Traditional / reference
https://scholar.google.com/scholar?q=WHO%20Monographs%20on%20Selected%20Medicinal%20Plants - 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 - Liu, A.C., Zhao, L.X. and Lou, H.X (2013) 'Curcumin alters the pharmacokinetics of warfarin and clopidogrel in Wistar rats but has no effect on anticoagulation or antiplatelet aggregation', Planta Medica, 79(11), pp. 971-977. doi:10.1055/s-0032-1328652 Preclinical
https://doi.org/10.1055/s-0032-1328652 - Tian, J., Feng, B. and Tian, Z (2022) 'The Effect of Curcumin on Lipid Profile and Glycemic Status of Patients with Type 2 Diabetes Mellitus: A Systematic Review and Meta-Analysis', Evidence-Based Complementary and Alternative Medicine, 2022, pp. 8278744. doi:10.1155/2022/8278744 Meta-analysis / review
https://doi.org/10.1155/2022/8278744 - Willcox, M.L., Elugbaju, C., Al-Anbaki, M., Lown, M. and Graz, B (2021) 'Effectiveness of Medicinal Plants for Glycaemic Control in Type 2 Diabetes: An Overview of Meta-Analyses of Clinical Trials', Frontiers in Pharmacology, 12, pp. 777561. doi:10.3389/fphar.2021.777561 Meta-analysis / review
https://doi.org/10.3389/fphar.2021.777561 - Altobelli, E., Angeletti, P.M., Marziliano, C., Mastrodomenico, M., Giuliani, A.R. and Petrocelli, R (2021) 'Potential therapeutic effects of curcumin on glycemic and lipid profile in uncomplicated type 2 diabetes: a meta-analysis of randomized controlled trials', Nutrients, 13(2), pp. 404. doi:10.3390/nu13020404 Meta-analysis / review
https://doi.org/10.3390/nu13020404
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.