期刊
PLANTS-BASEL
卷 11, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/plants11020218
关键词
anti-inflammatory; diterpenoids; cyclic peptide; Euphorbiaceae; hydroxyl fatty acids Jatropha integerrima; vitexin; UPLC; MS-MS
This study evaluated the anti-inflammatory activity of Jatropha integerrima leaves extract (JILE) and demonstrated its potential for treating various skin conditions. Both oral and topical administration of the extract reduced edema volume and decreased levels of inflammatory markers. Furthermore, liquid chromatography/mass spectrometry analysis identified numerous metabolites with known anti-inflammatory activity.
Jatropha integerrima Jacq., family: Euphorbiaceae, is used in India and subtropical Africa to treat different skin conditions. In this study we evaluated the anti-inflammatory activity of J. integerrima leaves extract (JILE) using rat paw edema model. The extract was administered orally (200 and 400 mg/kg) or applied topically as creams at 2.5, 5, and 10% strength. Four hours post-treatment, maximum reduction of edema volume by 63.09% was observed after oral administration of JILE (400 mg/kg) as compared to indomethacin with 60.43%. The extract anti-inflammatory effect was accompanied by a decrease in NO, prostaglandin PGE2, TNF-alpha and PKC levels by 19, 29.35, 16.9, and 47.83%, respectively. Additionally, topical applications of JILE showed dose dependent reduction in paw edema and resulted in normalized levels of PGE2, TNF-alpha, and PKC when used as 10% cream. Signs of inflammations were reduced or absent from paw tissue of animals receiving JILE either orally or topically. Finally, liquid chromatography/mass spectrometry analysis of JILE resulted in the annotation of 133 metabolites including 24 diterpenoids, 19 flavonoids, 10 phenolic acid conjugates, 8 cyclic peptides, 6 phytosterols, 4 sesquiterpenes, and 4 coumarins. Several of the annotated metabolites have known anti-inflammatory activity including vitexin, isovitexin, fraxitin, scopeltin, stigmasterol, and many diterpenoidal derivatives.
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