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Midland Hawthorn (Crataegus laevigata) and Skin irritation: evidence and sources
inferred from anti-inflammatory action
For educational purposes only, not medical advice. Always consult a qualified practitioner before using medicinal plants, especially alongside prescribed medication, during pregnancy, or for a serious condition.
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Full Midland Hawthorn monograph →All plants for skin irritation →
2 sources supporting Midland Hawthorn for Skin irritation. Includes scientific publications, books, monographs and traditional-use references.
Mechanistic basis
This use is associated with the plant's anti-inflammatory action. Further evidence for that pharmacology:
Numerous studies have supported a role for oxidative stress in the development of ischemic damage and endothelial dysfunction. Crataegus oxyacantha ( Co ) and Rosmarinus officinalis ( Ro ) extracts are polyphenolic-rich compounds that have proven to be efficient in the treatment of cardiovascular diseases. We studied the effect of extracts from Co and Ro on the myocardial damage associated with the oxidative status and to the production of different vasoactive agents. Rats were assigned to the following groups: (a) sham; (b) vehicle-treated myocardial infarction (MI) (MI-V); (c) Ro extract-treated myocardial infarction (MI- Ro ); (d) Co extract-treated myocardial infarction (MI- Co ); or (e) Ro+Co -treated myocardial infarction (MI- Ro+Co ). Ro and Co treatments increased total antioxidant capacity, the expression of superoxide dismutase (SOD)-Cu 2+ /Zn 2+ , SOD-Mn 2+ , and catalase, with the subsequent decline of malondialdehyde and 8-hydroxy-2'-deoxyguanosine levels. The extracts diminished vasoconstrictor peptide levels (angiotensin II and endothelin-1), increased vasodilators agents (angiotensin 1-7 and bradikinin) and improved nitric oxide metabolism. Polyphenol treatment restored the left intraventricular pressure and cardiac mechanical work. We conclude that Ro and Co treatment attenuate morphological and functional ischemic-related changes by both an oxidant load reduction and improvement of the balance between vasoconstrictors and vasodilators.