نتایج جستجو برای: cystoseira myrica

تعداد نتایج: 573  

2012
Veselina IVANOVA Mona STANCHEVA Albena MERDZHANOVA

Lipids and fatty acids (FA) composition of three Black Sea macroalgae Cladophora vagabunda, Ceramium rubrum and Cystoseira barbata were studied. Fatty acids composition was analyzed by GC/MS. Total lipids content varied widely among the species and ranged between 0.66 and 0.98 g per 100 g fresh weight. Generally, saturated fatty acids were major components (62–71%), with 16:0 as the most abunda...

2009
Miguel A. González-Pérez Craig Newton Pedro A. Sosa Elizabeth Rivero Edna A. González-González

Six novel polymorphic microsatellite markers were isolated from enriched libraries in Myrica faya Ait., recently renamed Morella faya, (fayatree, firetree, or firebush) in order to examine the genetic diversity in natural populations. Also, test cross-specific amplification and genetic diversity in Myrica rivas-martinezii, which is endemic on the Canary islands. Microsatellite loci were screene...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه هرمزگان - دانشکده علوم پایه 1393

بیوفولینگ های دریایی را می توان به تجمع نامطلوب میکروارگانیسم ها، جلبک ها و حیوانات روی سطوح در معرض آب دریا تعریف کرد که این خود نهایتا سبب تخریب این سطوح می گردد. بارناکل ها (barnacles) موفق ترین بیوفولینگ ها می باشند که به طوری منحصربه فردی به این زندگی ثابت سازگار شده اند. پوشش-های سمی می توانند به طور موثری بیوفولینگ ها را کنترل نمایند، اما به کار بردن این ترکیبات که بر پایه قلع آلی می باش...

2009
Kalra

Myrica esculenta belongs to the family Myricaceae is a sub-temperate evergreen tree found throughout the mid-Himalayas, starting from about 1,300 meters and going up to about 2,100 meters. The tree yields a drupaceous fruit which is one of the tastiest wild fruits of the sub-Himalayan region. It is medium to large woody, evergreen, dioecious tree, 12 to 15 meters high; trunk girth, 92.5 cm; the...

ژورنال: علمی شیلات ایران 2015
حیدری, محسن, ذوالقرنین, حسین, سخایی, نسرین, موحدی نیا, عبدالعلی, میرزایی, علی,

هدف از این مطالعه بررسی خواص ضد اکسیدانی با آزمون های DPPH ،FRAP، RP و PMB و ضد باکتریایی به دو روش دیسک دیفیوژن و چاهک عصاره هیدروالکلی(اتانول70 درصد) سه گونه ازجلبک های سبز، قهوه ای و قرمز در سواحل خلیج فارس بود. در این مطالعه بهترین فعالیت ضد اکسیدانی و پتانسیل مهار با رادیکال آزاد DPPH و بهترین فعالیت ضد اکسیدانی با آزمون RP را عصاره هیدروالکلی گونه Entromorpha intestinalis از جلبک های سبز ...

Atoosa Ali ahmadi, Maryam Kokabi, Mohamad Amin Feghhi, Morteza Yousefzadi, Mousa Keshavarz,

In vitro antioxidant activity of Ulva lactuca (Chlorophyta) and three brown seaweeds belonging to the division Phaeophyta were evaluated. The species Padina pavonica, Colpomenia sinuosa, Cystoseira myrica and U. lactuca were collected during low tide between March and June 2012 from the coastline of the Persian Gulf (Hormozgan and Bushehr provinces), Iran.Ethyl acetate, n-Hexane and methanol e...

2014
Lamia Mhadhebi Amel Mhadhebi Jacques Robert Abderrahman Bouraoui

Seaweeds have caused an emerging interest in the biomedical area, mainly due to their contents of bioactive substances which show great potential as anti-inflammatory, anti-microbial, anti-viral and anti-tumoral drugs. Despite the diversity in quality and quantity of the Mediterranean Tunisian coast flora, with its large contains of marine organisms and seaweeds, most of them have not yet been ...

2016
Francesco P. Mancuso Sofie D'Hondt Anne Willems Laura Airoldi Olivier De Clerck

Canopy-forming seaweed species of the genus Cystoseira form diverse and productive habitats along temperate rocky coasts of the Mediterranean Sea. Despite numerous studies on the rich macrofauna and flora associated with Cystoseira spp., there is little knowledge about the epiphytic bacteria. We analyzed bacterial populations associated with canopies of Cystoseira compressa, over an annual vege...

2007
Christa R. Schwintzer CHRISTA R. SCHWINTZER

The acetylene reduction assay was used to measure nonsymbiotic and symbiotic nitrogen fixation in a weakly minerotrophic peatland throughout the ice-free season. Nonsymbiotic nitrogen fixation was found in surface materials and subsurface peat. In surface materials, nitrogenase activity measured in the field contributed about 0.6 kg N ha-' yr-', was closely associated with Sphagnum, but was not...

Hadjiakhoondi , A, Khanavi , M, Mahrokh, A, Nabavi , SMB, Sadati , N, Sohrabipour, J ,

Background: Marine algae, especially brown species, produce a wide range of metabolites with various biological activities. Objective: Since marine algae are rich source of dietary fibers, minerals, proteins, vitamins and phenolic components with antioxidant effect, in addition to the rule of oxidative stress in pathogenesis of chronic diseases, the aim of this study was to investigate possib...

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