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Journal of Medicinal Plants and By-products، جلد ۷، شماره ۲، صفحات ۱۶۳-۱۷۱
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عنوان انگلیسی Seasonal Variations in Carnosic Acid Content of Rosemary Correlates with Anthocyanins and Soluble Sugars
چکیده انگلیسی مقاله Seasonal variations may influence the quality and quantity of biologically active ingredients in medicinal plants. Rosemary (Rosmarinus officinalis L.) a member of the Lamiaceae family, contains valuable antioxidant, anticancer and antibacterial substances, including Carnosic acid (CA). Here, the fluctuations of important active compounds present in rosemary leaf extracts collected in Golestan, Iran were studied during the year of 2012-2013. Plant phenolics, flavonoids, ascorbates, anthocyanins and soluble sugars were analyzed spectrophotometrically, while CA content was measured by High Performance Liquid Chromatography (HPLC). The highest amounts of total flavonoids occurred in autumn; while CA, phenolics, ascorbic acids and soluble sugars were greatest in winter, probably due to regional high precipitation and subtle winters. Most of the above indicated active compounds were low in early summer. Furthermore, total anthocyanins and soluble sugars showed significant positive correlations with CA over the year. These data suggest that rosemary extracts from the collected leaves in winter contain greater amounts of biologically active compounds; and can be used for standardization of plant materials harvested throughout a year.
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نویسندگان مقاله Mojtaba Hadi Soltanabad |
Department of Biology, Faculty of sciences, Golestan University, Gorgan, Iran

Mohammad Bagher Bagherieh-Najjar |
Department of Biology, Faculty of sciences, Golestan University, Gorgan, Iran

Manijeh Mianabadi |
Department of Biology, Faculty of sciences, Golestan University, Gorgan, Iran

نشانی اینترنتی http://jmpb.areeo.ac.ir/article_118144_32079e8c2a5f6d59593bf114a779f655.pdf
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/495/article-495-1194866.pdf
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زبان مقاله منتشر شده en
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