Journal
JOURNAL OF FUNCTIONAL FOODS
Volume 86, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jff.2021.104732
Keywords
Indomethacin; Gastric injury; Vitex agnus castus; Apoptosis; Metabolomic profiling; UPLC-QTOF-MS
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Funding
- Deanship of Scientific Research (DSR), King Khalid University, Abha, Saudi Arabia [GRP-161-41]
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Vitex agnus castus L. extract (VACE) demonstrated gastroprotective properties in rats by ameliorating gastric juice acidity, preserving beneficial contents, decreasing harmful contents, and regulating molecular mechanisms related to inflammation, oxidative stress, and apoptosis.
Vitex agnus castus L. extract (VACE) was investigated for its gastroprotective properties and possible molecular mechanisms in rats. VACE (60 or 120 mg/kg) or Esomeprazole (20 mg/kg) were orally administered for 3 weeks before the induction of gastropathy using indomethacin (30 mg/kg, single oral dose). VACE ameliorated the indomethacin-induced gastric juice acidity and pathological changes. VACE significantly preserved GSH, SOD, NO and PGE2 contents, while decreased lipid-peroxide, TNF-alpha and MPO contents. Moreover, VACE downregulated NF-kappa B1, COX-2, Caspase-3 and upregulated Bcl-2 and HSP-70 expression. Ultra-high-performance liquid chromatography (UPLC) coupled with quadrupole high-resolution time of flight mass spectrometry (qTOF-MS) enabled the tentative identification of 87 compounds allocated in seven main classes including flavonoids, glycosylated iridoid and labdane diterpenes. Notably, different agnuside derivatives and diterpenoids were reported in VACE for the first time. In conclusion, VACE contains an arsenal of bioactive metabolites which may exhibit gastroprotection by inhibiting inflammation, oxidative stress, and apoptosis.
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