2008
DOI: 10.1186/1472-6882-8-38
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Bioprotective properties of seaweeds: In vitro evaluation of antioxidant activity and antimicrobial activity against food borne bacteria in relation to polyphenolic content

Abstract: Background: For many years chemical preservatives have been used in food, to act as either antimicrobials or antioxidants or both. In general, consumers regard additive-free foods as safer since preservatives can cause health hazards like asthma and cancer and are suspected to be mutagenic and neurotoxic. The present study was carried out to evaluate the antimicrobial and antioxidant activity of methanolic extracts of seaweeds, with a view to developing safer food preservatives.

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Cited by 184 publications
(127 citation statements)
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“…Phenols have been identified in several algal species as biologically active compounds (Vairappan, et al, 2001). Many compounds of marine algae show anti-bacterial activities as polysaccharide (Laurienzo, 2010), lyengaroside (Ali et al, 2002), polyhydroxy lated fucophlorethol (Sandsdalen et al, 2003), bromophenols (Oh et al, 2008), guaiane sesquiterpene (Chakraborty & Lipton, 2010), lactone malyngolide (Cardelina et al, 1979) cycloeudesmol (Sims et al, 1975), polyphenolic compound (Devi, 2008), halogenated compound (Vairappan, 2003) and quinone metabolite (Horie et al, 2008). Flavonoids comprise a large group of naturally compounds widely distributed in the algae and some of these compounds have been reported to contain various and potent biological activities including anti oxidative tissue protective and tumoristatic effects as well as the inhibition of hepatic cholesterol biosynthesis (Krant et al, 2005;Kim et al, 2007;Matanjun et al, 2008 andVolk, 2009).…”
Section: Resultsmentioning
confidence: 99%
“…Phenols have been identified in several algal species as biologically active compounds (Vairappan, et al, 2001). Many compounds of marine algae show anti-bacterial activities as polysaccharide (Laurienzo, 2010), lyengaroside (Ali et al, 2002), polyhydroxy lated fucophlorethol (Sandsdalen et al, 2003), bromophenols (Oh et al, 2008), guaiane sesquiterpene (Chakraborty & Lipton, 2010), lactone malyngolide (Cardelina et al, 1979) cycloeudesmol (Sims et al, 1975), polyphenolic compound (Devi, 2008), halogenated compound (Vairappan, 2003) and quinone metabolite (Horie et al, 2008). Flavonoids comprise a large group of naturally compounds widely distributed in the algae and some of these compounds have been reported to contain various and potent biological activities including anti oxidative tissue protective and tumoristatic effects as well as the inhibition of hepatic cholesterol biosynthesis (Krant et al, 2005;Kim et al, 2007;Matanjun et al, 2008 andVolk, 2009).…”
Section: Resultsmentioning
confidence: 99%
“…Algal cells cope with environmentally promoted generation of ROS through induction of catalase and ascorbate peroxidase, massive H 2 O 2 diffusion out into the water and synthesis of volatile halocarbons (Collen & Pedersen, 1996;Barros et al, 2003). Toxicity is also reduced through decomposition and scavenging of H 2 O 2 by antioxidants which are abundant in many species of seaweeds (Devi et al, 2008). In Ulva rigida, the main enzymatic method of H 2 O 2 removal is through peroxidative scavenging (Collen & Pedersen, 1996;Ross & Van Alstyne, 2007).…”
Section: Discussionmentioning
confidence: 99%
“…Certain marine products have been reported to exhibit anti-tumor (Bae 2007;Rocha et al 2007), antibacterial (González del Val et al 2001Devi et al 2008), and anti-inflammatory effects Khan et al 2008). Various seaweeds have traditionally been used in oriental folk medicine to treat skin diseases.…”
Section: Discussionmentioning
confidence: 99%