Omnia Sana · Plant Monograph
Corn Silk
Zea mays
This monograph compiles 3 documented constituents, 4 pharmacological actions, 10 traditional / indicated uses, supported by 13 cited sources, drawn directly from the Omnia Sana plant database.
Key Constituents
Major antioxidant constituents of corn silk; maysin is the predominant flavonoid quantified in standardised extracts.
Contribute to antioxidant and anti-inflammatory activity.
Pharmacological Actions
Soothing demulcent for urinary-tract irritation and mild urinary infections; supports kidney function
Traditional & Indicated Uses
inferred from anti-inflammatory action
more plants for arthritis / joint pain →detailed sources →Soothing demulcent for urinary-tract irritation and mild urinary infections; supports kidney function
more plants for infection (general) →detailed sources →inferred from anti-inflammatory action
more plants for inflammation (general) →detailed sources →inferred from demulcent action
more plants for skin irritation →detailed sources →inferred from demulcent action
more plants for sore throat →detailed sources →Diuretic - increases urine output to support the urinary tract and mild fluid retention/swelling; in conscious rats the aqueous extract is diuretic and kaliuretic and modifies glomerular filtration and potassium excretion
more plants for swelling / fluid retention →detailed sources →inferred from diuretic action
more plants for urinary support →detailed sources →Diuretic - increases urine output to support the urinary tract and mild fluid retention/swelling; in conscious rats the aqueous extract is diuretic and kaliuretic and modifies glomerular filtration and potassium excretion; Soothing demulcent for urinary-tract irritation and mild urinary infections; supports kidney function
more plants for urinary tract infection (uti) →detailed sources →Safety, Cautions & Contraindications
As a diuretic it should be taken with plenty of fluids; use caution alongside prescription diuretics or medicines that affect potassium.
May lower blood sugar and blood pressure, so use caution with antidiabetic or antihypertensive medication; avoid concentrated medicinal doses in pregnancy - a high-dose standardised extract increased pre-implantation losses in pregnant rats (no fetal malformations were seen).
References
REF-1624, REF-1625, REF-1626, REF-1627, REF-1628, REF-1629, REF-1630, REF-1631, REF-1632, REF-1633References & Sources
- Zhang, Y., Wu, L., Ma, Z., Cheng, J. and Liu, J (2018) 'Corn silk (Zea mays L.), a source of natural antioxidants with alpha-amylase, alpha-glucosidase, advanced glycation and diabetic nephropathy inhibitory activities', Biomedicine & Pharmacotherapy, 110, pp. 510-517. doi:10.1016/j.biopha.2018.11.126 Preclinical
https://doi.org/10.1016/j.biopha.2018.11.126 - Wang, Y. and others (2023) 'Corn Silk Flavonoids Ameliorate Hyperuricemia via PI3K/AKT/NF-kappaB Pathway', Journal of Agricultural and Food Chemistry, 71(26), pp. 9968-9979. doi:10.1021/acs.jafc.3c03422 Preclinical
https://doi.org/10.1021/acs.jafc.3c03422 - Habtemariam, S (1998) 'Extract of corn silk (stigma of Zea mays) inhibits the tumour necrosis factor-alpha- and bacterial lipopolysaccharide-induced cell adhesion and ICAM-1 expression', Planta Medica, 64(4), pp. 314-318. doi:10.1055/s-2006-957441 Preclinical
https://doi.org/10.1055/s-2006-957441 - Chen, M.Y., Wu, J.M. and others (2025) 'Unlocking Corn Silk's Potential: Bioactive Compounds Targeting Age-Related Diseases', Molecular Nutrition & Food Research, 69(10), pp. e70117. doi:10.1002/mnfr.70117 Meta-analysis / review
https://doi.org/10.1002/mnfr.70117 - Li, Y. and others (2023) 'Diterpenoid and phenolic constituents from corn silk (Zea mays) with PTP1B inhibitory activity', Natural Product Research, 37(24), pp. 4189-4196. doi:10.1080/14786419.2023.2265038 Preclinical
https://doi.org/10.1080/14786419.2023.2265038 - Wang, B. and others (2019) 'Corn Silk (Zea mays) Induced Apoptosis in Human Breast Cancer (MCF-7) Cells via the ROS-Mediated Mitochondrial Pathway', Oxidative Medicine and Cellular Longevity, 2019, pp. 9789241. doi:10.1155/2019/9789241 Preclinical
https://doi.org/10.1155/2019/9789241 - Guo, J. and others (2024) 'Extraction, purification, structural characteristics, and pharmacological activities of the polysaccharides from corn silk: A review', International Journal of Biological Macromolecules, 274, pp. 133433. doi:10.1016/j.ijbiomac.2024.133433 Meta-analysis / review
https://doi.org/10.1016/j.ijbiomac.2024.133433 - Li, X. and others (2025) 'Ultrasound-assisted extraction of anti-inflammatory actives from corn silk (Zea mays L.): Process optimization, machine learning screening, and interaction mechanisms', Ultrasonics Sonochemistry, 118, pp. 107420. doi:10.1016/j.ultsonch.2025.107420 Preclinical
https://doi.org/10.1016/j.ultsonch.2025.107420 - Wang, Y. and others (2024) 'An Umbrella Insight into the Phytochemistry Features and Biological Activities of Corn Silk: A Narrative Review', Molecules, 29(4), pp. 891. doi:10.3390/molecules29040891 Meta-analysis / review
https://doi.org/10.3390/molecules29040891 - Zhang, W. and others (2023) 'Acidic polysaccharide from corn silk: Structural & conformational properties and hepatoprotective activity', International Journal of Biological Macromolecules, 237, pp. 123851. doi:10.1016/j.ijbiomac.2023.123851 Preclinical
https://doi.org/10.1016/j.ijbiomac.2023.123851 - Hasanudin, K., Hashim, P. and Mustafa, S (2012) 'Corn Silk (Stigma Maydis) in Healthcare: A Phytochemical and Pharmacological Review', Molecules. doi:10.3390/molecules171112937 Traditional / reference
https://doi.org/10.3390/molecules171112937 - Caixeta, G.A.B. and dos Santos Reis, D. and Soares, K.I. and de Brito Ramos, I. and Mendes, G.H.L. and others (2025) 'Toxicological Assessment of a Standardized Dry Extract of Zea mays L. (Poaceae) Stigmas During Gestation: Effects on Maternal Parameters and Fetal Outcomes in Wistar Rats', Birth Defects Research, 117(9). doi:10.1002/bdr2.2526 Traditional / reference
https://doi.org/10.1002/bdr2.2526 - Velazquez, D.V.O. and Xavier, H.S. and Batista, J.E.M. and de Castro-Chaves, C (2005) 'Zea mays L. extracts modify glomerular function and potassium urinary excretion in conscious rats', Phytomedicine, 12(5), pp. 363--369. doi:10.1016/j.phymed.2003.12.010 Traditional / reference
https://doi.org/10.1016/j.phymed.2003.12.010
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