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  • Title: Antioxidant activity of Anethum graveolens L. essential oil constituents and their chemical analogues.
    Author: Kaur N, Chahal KK, Kumar A, Singh R, Bhardwaj U.
    Journal: J Food Biochem; 2019 Apr; 43(4):e12782. PubMed ID: 31353585.
    Abstract:
    In the present study, Dill (Anethum graveolens) seed essential oil, its nonpolar and polar fractions, compounds isolated and derivatized were evaluated for their antioxidant potential using different in vitro assays. The major compounds carvone, limonene, and camphor were isolated from dill seed essential oil using column chromatography and characterized using spectroscopic techniques. Among all the tested components for antioxidant activity, carveol and perillyl alcohol were most effective (IC50 values < 0.16 mg/ml), whereas camphor was least effective (IC50 values > 10 mg/ml). All the tested compounds exhibited lower antioxidant potential than the standard. PRACTICAL APPLICATIONS: Oxidation of food products was delayed by compounds known as antioxidants. The use of synthetic antioxidant is restricted because of carcinogenicity in human servings and plant-based natural antioxidant are preferred due to safety and less toxicity. The aim of this in vitro study was to assess the antioxidant activity of the different constituents of dill seed essential oil. The present study revealed that carvone and its derivatives are potent scavengers of free radicals which might be due to the presence of unsaturated hydroxyl group. Thus, natural antioxidants are the important source of alternative medicines and natural therapy in the pharmaceutical industry.
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