نتایج جستجو برای: Sargassum

تعداد نتایج: 1681  

2014
Dilys Zhang Tim M. Glasby Peter J. Ralph Paul E. Gribben

Like invasive macrophytes, some native macrophytes are spreading rapidly with consequences for community structure. There is evidence that the native alga Caulerpa filiformis is spreading along intertidal rocky shores in New South Wales, Australia, seemingly at the expense of native Sargassum spp. We experimentally investigated the role physical disturbance plays in the spread of C. filiformis ...

2013
Sean P. Powers Frank J. Hernandez Robert H. Condon J. Marcus Drymon Christopher M. Free

The pelagic brown alga Sargassum forms an oasis of biodiversity and productivity in an otherwise featureless ocean surface. The vast pool of oil resulting from the Deepwater Horizon oil spill came into contact with a large portion of the Gulf of Mexico's floating Sargassum mats. Aerial surveys performed during and after the oil spill show compelling evidence of loss and subsequent recovery of S...

Journal: :The British journal of nutrition 2009
Maria N García-Casal José Ramírez Irene Leets Ana C Pereira Maria F Quiroga

Marine algae are easily produced and are good sources of Fe. If this Fe is bioavailable, algae consumption could help to combat Fe deficiency and anaemia worldwide. The objective of the present study was to evaluate Fe bioavailability, polyphenol content and antioxidant capacity from three species of marine algae distributed worldwide. A total of eighty-three subjects received maize- or wheat-b...

2012
Chae-Won Lee Ji-Sook Han

This study was designed to investigate whether Sargassum ringgoldianum extract may inhibit α-glucosidase and α-amylase activities, and alleviate postprandial hyperglycemia in streptozotocin-induced diabetic mice. The IC50 values of Sargassum ringgoldianum extract against α-glucosidase and α-amylase were 0.12 mg/mL and 0.18 mg/mL, respectively, which evidenced higher activities than those of aca...

2015
D. Sujatha Kiranpal Singh Mursalin Vohra K. Vijay Kumar S. Sunitha

PURPOSE Urolithiasis is a common urological disorder responsible for serious human affliction and cost to the society with a high recurrence rate. The aim of the present study was to systematically evaluate the phlorotannin rich extract of Sargassum wightii using suitable in vitro and in vivo models to provide scientific evidence for its antilithiatic activity. MATERIALS AND METHODS To explor...

2017
DHANISH JOSEPH ARYA VENUGOPAL

Sargassum species are brown macroalgae found in shallow marine meadows. These are nutritious and rich source of several bioactive compounds. These isolated active compounds exhibit diverse biological activities like antioxidant, antiinflammatory, antipyretic, analgesic, antiviral, antidiabetic, hepatoprotective, anti-obesity, cholinesterase inhibitory activities etc. This makes the Sargassum sp...

Journal: :European review for medical and pharmacological sciences 2012
H H Ahmed M S Abdalla E F Eskander M F Al-Khadragy M N Massoud

OBJECTIVES This study aimed to elucidate the role and mode of action of Sargassum subrepandum methanolic extract in management of dyslipidemia in adult female rats. MATERIAL AND METHODS Forty adult female Sprague Dawley rats were assigned into four groups: (1) lean control rats fed on standard diet, (2) dyslipidemia control fed on the atherogenic diet, (3) lean rats orally administered with 1...

2006
J. R. Rooker

Feeding ecology of organisms associated with floating Sargassum in the northwestern Gulf of Mexico was assessed using fatty acids. Nineteen groups were collected from the Sargassum community including four autotrophs, eight invertebrates, five juvenile fishes, and two adult fishes. Spatial and temporal variability in polyunsaturated fatty acid (PUFA) signatures of selected taxa (Sargassum fluit...

2017
Linda A. Amaral‐Zettler Nicholas B. Dragone Jeffrey Schell Beth Slikas Leslie G. Murphy Clare E. Morrall Erik R. Zettler

Over the past 5 years, massive accumulations of holopelagic species of the brown macroalga Sargassum in coastal areas of the Caribbean have created "golden tides" that threaten local biodiversity and trigger economic losses associated with beach deterioration and impact on fisheries and tourism. In 2015, the first report identifying the cause of these extreme events implicated a rare form of th...

2012
Feng-Ping Miao Xiao-Dong Li Xiang-Hong Liu Robert H. Cichewicz Nai-Yun Ji

Two new compounds, asperversin A (1) and 9ξ-O-2(2,3-dimethylbut-3-enyl)brevianamide Q (2), and nine known compounds, brevianamide K (3), brevianamide M (4), aversin (5), 6,8-di-O-methylnidurufin (6), 6,8-di-O-methylaverufin (7), 6-O-methylaverufin (8), 5α,8α-epidioxyergosta-6,22-dien-3β-ol (9), ergosta-7,22-diene-3β,5α,6β-triol (10), and 6β-methoxyergosta-7,22-diene-3β,5α-diol (11), were obtain...

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