Abstract Title:

Intake of saffron reducesγ-radiation-induced genotoxicity and oxidative stress in mice.

Abstract Source:

Toxicol Mech Methods. 2017 Jul ;27(6):428-434. Epub 2017 Apr 12. PMID: 28298158

Abstract Author(s):

Apurva Koul, Suresh K Abraham

Article Affiliation:

Apurva Koul


Saffron (SAF), the dried stigmas of Crocus sativus, is commonly used for flavoring and coloring food. Studies on bioactivity of SAF have demonstrated its in vivo antioxidant activity. The aim of our study was to assess the impact of SAF intake onγ-radiation (RAD) induced (a) chromosomal damage, (b) oxidative stress in liver and brain, and (c) histopathological effects in the intestinal cells and male germ cells in mice. Freeze-dried aqueous extract of SAF was used for the experiments. Our preliminary cell-free DNA nicking assay using pBR322 DNA revealed protective effects of freeze-dried SAF extract against hydroxyl radical induced DNA damage. For the in vivo investigations, freeze-dried SAF extract in distilled water was administered by gavage (40 mg/kg b.w.) to male Swiss albino mice for six consecutive days. On the sixth day, the animals were exposed to RAD (1 or 2 Gy) and sacrificed 24 h later to collect bone marrow cells for assessing chromosomal damage by measuring micronucleated polychromatic erythrocytes (MnPCEs). Liver and brain samples from animals exposed to 2 Gy RAD were used for evaluating lipid peroxidation and activity of antioxidant enzymes. The testis and intestine were used for histopathological analysis. Our results demonstrated significant protective effects of SAF against RAD-induced genotoxic damage. SAF pretreatment reduced the level of lipid peroxidation with concomitant increase in glutathione content and activity of glutathione S-transferase, glutathione peroxidase, and catalase. The histopathological analysis showed minimal impact of SAF on RAD-induced damage in the intestinal cells and male germ cells.

Study Type : Animal Study

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