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Iranian Journal of Fisheries Sciences، جلد ۱۹، شماره ۵، صفحات ۲۳۹۴-۲۴۰۸
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عنوان انگلیسی Seasonal variation of fucoxanthin content in four species of brown seaweeds from Qeshm Island, Persian Gulf and evaluation of their antibacterial and antioxidant activities
چکیده انگلیسی مقاله Fucoxanthin contents of four species of brown seaweeds (Dictyota indica, Padina tenuis, Colpomenia sinuosa and Iyengaria stellata) from intertidal zone of Qeshm Island, Persian Gulf were assessed in summer and winter of 2016. In addition, some physicochemical properties (pH, temperature, salinity and conductivity) of seawater were monitored on the same time. The antibacterial activity of algal extracts was determined by disc diffusion assay, minimum inhibitory and minimum bactericidal concentration tests; and the antioxidant activity through ferric reducing antioxidant power method. The fucoxanthin contents of the studied seaweeds were higher in winter. D. indica showed the highest amount of fucoxanthin (approximately 462.79 and 210.72 µg/g) in both seasons, which makes it commercially applicable e.g. in food and pharmaceutical industries. Furthermore, D. indica, I. stellata, P. tenuis and C. sinuosa showed a strong ferric reduction power in both seasons. Considerable inhibition zone against gram negative (Escherichia Coli: PTCC1330) and gram positive bacteria (Staphylococcus aureus: PTCC1112) were also observed. 
کلیدواژه‌های انگلیسی مقاله Fucoxanthin, Brown seaweed, Antibacterial activity, Antioxidant activity, seasonal variation
نویسندگان مقاله | M. Karkhaneh Yousefi
Department of Marine Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran


| M. Seyed Hashtroudi
Ocean Sciences Research Center, Iranian National Institute for Oceanography and Atmospheric Science, Tehran, Iran


| A. Mashinchian Moradi
Department of Marine Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran


| A.R. Ghasempour
Medicinal plant and drug research Institute, Shahid Beheshti University,Tehran, Iran
نشانی اینترنتی http://jifro.ir/browse.php?a_code=A-10-3116-1&slc_lang=en&sid=1
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کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده Ecology
نوع مقاله منتشر شده پژوهشی
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