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Pak J Pharm Sci. 2013 May;26(3):599-604.

Biological activities and chemical composition of the stems and roots of Helichrysum oligocephalum DC grown in Iran.

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Department of Chemical Engineering, North Tehran Branch, Islamic Azad University, Tehran, Iran.


Helichrysum has long been used medicinally, proving to be beneficial in treatment of acne, asthma, bronchitis and circulatory problems, and lymphatic system diseases. The objective of this research was to study the antioxidant and antibacterial activities and chemical composition of the compounds derived from the stems and roots of cultivated H. oligocephalum using gas chromatography (GC) and gas chromatography-mass spectroscopy (GC-MS). The primary components found in the stem oil were ortho-vanillin (51.0%) and carvacrol (16.0%), and those found in the root oil were 1,8-cineole (30.6%) and isobornyl acetate (13.9%). Stem and root oils of H. oligocephalum demonstrated antibacterial activity, particularly in relation to Gram-positive bacteria. In a β-carotene/linoleic acid bleaching assay, the root oil of H. oligocephalum demonstrated an antioxidant effect. Antioxidant capacity measured with 2,2-diphenyl-1-picrylhydrazyl (DPPH) assay was 1205.0 for the stem oil and 722.8 μg/ml for the root oil.

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