Chemoprotective effects of ulva lactuca green seaweed. The effects of presoaking wheat grains in water extract of ulva lactuca on growth, some enzymatic activities, and protein pattern of salinized plants were investigated in this study. Ulva lactuca extracts had significantly lower antibacterial activity. Antimicrobial potential of epiphytic bacteria associated. Biomimetic of silver nanoparticles by ulva lactuca seaweed and. Different places to grow ulva lactuca will make a difference in carbohydrate content 3. Ulva lactuca as feed ingredient in giant freshwater prawn macrobrachium rosenbergii n. For instance, the species ulva pertusa, which is frequently consumed under the name of aonori by the japanese people, has a high protein level between 20 and. Biosynthesis of silver nanoparticles and its applications. Ulvans are not degraded by the enzymes of the upper part of git and serve as. Recent studies have shown that ulva lactuca is a warmtemperate to tropical species and the entity called ulva lactuca in the ne atlantic is correctly ulva fenestrata. Section 3 then provides an overview of the biological activities of ulvans with a.
Ulva lactuca the green alga available in tuticorin coast was found to show antiinflammatory effect as evidenced by the reduction in the inhibition of oedema at the 4th day of the experiment. The objective was to describe and evaluate growth responses and bioremediation capacity of u. Energy production from marine biomass ulva lactuca pso project no. The potential criterion for prebiotic ingredients is that they must cross through the. The site under studies was contaminated by heavy metal zn, cu and cd. In this respect ulva lactuca l, a green macro algae and. Silver nanoparticles synthesis by ulva fasciata had very high antibacterial activity against the common pathogens bacteria of human and fish33. The membrane is two cells thick, soft and translucent, and grows attached, without a stipe, to rocks or other algae by a small discshaped.
In the present study, 77 epiphytic isolates from eight different algae collected from little andaman were enumerated. The aim of this study was to evaluate the antimicrobial activities of two green seaweeds. Thallus sheetlike, light green, rather delicate and translucent, to 250 mm. Laurencia johnstonii, gymnogongrus martinensis, ulva lactuca and codium fragile for potential. Ulva is an excellent addition to marine aquariums in need of more cover for fish and invertebrates. However, the insoluble part of dietary fiber was determined in the highest amount, especially hemicellulose was the most abundant fraction 20. It is found clinging to rocks and other debris near the shore. Sayed 2 botany department, faculty of science, fayoum university, fayoum, egypt. This section can be modified to suit your taste increase the number of stitches in the garter body to the depth you desire at the other end, youll need to modify the decreases to mirror your increase method. Role of ulva lactuca extract in alleviation of salinity stress on wheat seedlings. It can also serve as a food source for hungry herbivores such as yellow tangs. Ulva lactuca is a rich source of iron and vitamin c and has been consumed by people in scotland chapman and chapman, 1980. In regard to human consumption, the food market claims that ulva sp.
Seaweeds of the intertidal regions are a rich source of surface associated bacteria and are potential source of antimicrobial molecules. The load of bacteria on the outer surface of skip jack tuna is high, when compared with that of gills. Chemical composition and functional properties of ulva. Ulva usually multiply bymeans of fragments which are accidentally produced from a thallus. In vitro and in vivo antimicrobial activity of ulva. The high content of mineral in this alga shows its high bioaccumulation capacity. Culture of sea lettuce, ulva lactuca in chile fish. Ulva lactuca studied in denmark as a source of bioethanol containing a total of 58. Vegetative multiplication also takes place by means of the proliferation of perennial holdfast. Research article role of ulva lactuca extract in alleviation of salinity stress on wheat seedlings waelm. Cultivation of ulva lactuca with manure for simultaneous. Phytochemical screening was assessed by chemical analysis, while the coagulatory effect was assessed by measuring prothrombin time pt and activated partial thromboplastin time aptt. Antibacterial activity of ulva lactuca against methicillin. Antagonistic effect of epiphytic bacteria from marine algae, southeastern india.
Acetone, hexane, methanol and chloroform crude concentration of the seaweed u. Both seaweeds showed antibacterial activities against. For instances, ulva lactuca contain high amount of cobalamin or vitamin b12. The bioaccumulation of minerals and heavy metals in u. Potential using of ulvan polysaccharide from ulva lactuca as a. While every effort has been made to provide the most reliable and uptodate information available, ultimate legal requirements with respect to species are contained in. Two experimental feeding trials were conducted during four weeks to evaluate the use of ulva lactuca in shrimp culture.
In some parts of britain and asia, seaweed is consumed by humans and livestock as it is considered valuable to human nutrition. Chl, carotenoids and phenolics compounds were quantified in the biomasses of ulva lactuca grown either in normal or artificial sea water under indoor conditions. Radhika and mohaideen 25 analyzed the phytochemicals by fourier transform infrared analysis of ulva lactuca and gracilaria corticata and their effect on antibacterial activity. Vitamin b12 plays a key role in homeostasis of the brain and nervous system, and for the formation of blood scalabrino, 2009. These mats often have diverse effects on the underlying benthos such as increased anoxia, increased organic. The uses of this species vary and include human food, make of paper, fertilizers and others. Pdf seaweeds are getting importance in various fields ranging from food to. Production of recombinant protein in escherichia coli cultured in extract from waste product alga, ulva lactuca. Review written as a manual to extract, characterise and assess ulvan. Ulva lactuca linnaeus foliose ulva lactuca stained blue and viewed microscopically 1. Antimicrobial and antifouling activities achieved by extracts. Effects of sewage pollution the structure of the community.
Silver nanoparticles synthesis by ulva fasciata have toxic against cancer1,31,32. Asexual reproduction takes place by means of quadriflagellate zoospores. Sea lettuce ulva lactuca is a species of green seaweed that belongs to the family ulvaceae is found naturally worldwide. Ulva polysaccharide possessed huge amount of s df and idf b ut, mainly. Request pdf biomimetic of silver nanoparticles by ulva lactuca seaweed and evaluation of its antibacterial activity an ecofriendly method employed for. This study aimed to optimize an extraction and separation procedure to obtain a concentrated fraction with antibacterial activity from the macroalga ulva lactuca. Based on the above phenomenon, the purpose of the research that has been done is. Seaweeds are potentially excellent sources of highly bioactive materials that could represent useful leads in the alleviation of salinity stress. The sea lettuces comprise the genus ulva, a group of edible green algae that is widely distributed along the coasts of the worlds oceans.
Zones of inhibition for escherichia coli, bacillus cereus, bacillus subtilis, klebsiella pneumoniae, staphylococcus aureus, and pseudomonas aeruginosa ranged from 4. Ulva lactuca, ulva linza and phaeophytae padina pavonica. Plant attached, foliaceous, bright green to lightgreen, fading to yellowish and sometimes darker when young. Thein vitro antimicrobial activity of the marine green algaeulva lactuca was examined against grampositive bacteria, gramnegative bacteria, and a fungus. Antibacterial activity and biochemical constituents of seaweed ulva. It was estimated that up to 20% of irrigated lands in the world are affected by different levels of salinity and sodium content. Ulva lactuca name synonyms phycoseris fasciata delile mont. Mineral content of mediterranean seaweeds, padina pavonica. Alan brindo abstract the evaluation of seaweed, ulva lactuca as feed ingredients in giant freshwater prawn macrobrachium rosenbergii was carried out by incorporating raw and fermented ulva lactuca at three levels, 10 %, 20 % and 30 % in diets. The genus ulva is distinguished morphologically from closely related ulvalean enteromorpha by its flat, twocell layer distromatic morphology, in contrast to the latter with. The nitrogen content was the most abundant element in the three mediterranean seaweeds 79. Role of ulva lactuca extract in alleviation of salinity.
Lars nikolaisen, danish technological institute peter daugbjerg jensen, danish technological institute karin svane bech, danish technological institute jonas dahl, danish technological institute jorgen busk, danish technological institute. Salinity is one of the major abiotic stresses which limit the yield of major crops. Antibacterial compounds were extracted using eight solvents, and consistent activity against staphylococcus aureus, bacillus subtilis and methicillinresistant mr s. Petri plates were prepared by pouring 20 ml of sabourauds dextrose agar and allowed to. Research article the protective role of ulva lactuca. Biogenic syntheses of silver nanoparticles using plants and their pharmacological and other potential applications are gaining momentum owing to its assured rewards. Many of its nutrients include iron, protein 15 percent, iodine, vitamins a, b1, and c and trace elements. The fundamental active constituent of ulva is the soluble fibre ulvan, a gelling. These samples from each quadrat were placed overnight to dry using a dry paper. It is easy to culture in a refugium or in your main tank.
Antibacterial activity of silver nanoparticles using ulva. Ulva lactuca stained blue and viewed microscopically. The type species within the genus ulva is ulva lactuca, lactuca being latin for lettuce. Halimeda macroloba, ulva fasciataand chaetomorpha iron, magnesium and calcium. Natural preservative ingredient from marine alga ulva. It is quite eatable and since it is green in color contains chlorophyll, which is a. The genus also includes the species previously classified under the genus enteromorpha, the former members of which are known under the common name green nori. These macroalgae have been reported to possess antioxidant zubia et al.
Ulva or sea lettuce species are some of the most abundant. Phytochemical constituents and bioscreening activities of. Ulva lactuca, also known by the common name sea lettuce, is an edible green alga in the family. Silver nanoparticles possess unique properties which find myriad applications such as antimicrobial, anticancer, larvicidal, catalytic, and wound healing activities. Algal presoaking of grains demonstrated a highly significant. Ulva lactuca is a member of green macroalgae known as chlorophyceae. Ulva lactuca has been established as a better source of dietary fiber compared to fruits and vegetables. Even though this may be true for a large part of the associated.
A single isolated bacterial strain could not completely restore normal development of antibiotictreated axenic. Ulva fasciata has potent therapeutic value and it is used for synthesis of silver nanoparticles31. Salinity stress limits plant growth by adversely affecting various physiological and biochemical processes like photosynthesis, antioxidant phenomena, and. Pdf fourier transform infrared analysis of ulva lactuca. On testing for their antimicrobial activities against certain pathogens twelve isolates showed positive and six of them showed significant.
Analysis of metal contents of seaweed ulva lactuca from. Thallus grass green, expanded into thin, glossy broad sheets with a lobed or undulating margin. Ulva reticulata and ulva lactuca against human pathogens. Hydrolyzed ulva lactuca extract cosmetic ingredient inci. The list of cosmetic products below is a selection of the most requested cosmetics that contain the ingredient ulva lactuca extract. The in vitro antimicrobial activity of the marine green algae ulva lactuca was examined against grampositive bacteria, gramnegative bacteria, and a fungus. Ulva lactuca is a thin flat green algae growing from a discoid holdfast.
Chemical and in vitro assessment of alaskan coastal vegetation antioxidant capacity. The effect of sea lettuce ulva lactuca mats on sediment. Kappaphycus alvarezii extracts against human pathogenic. Fatty acids and sterols were isolated from macroalgae by gcms santos et al. Highlights ulva lactuca seaweed is a rich source of nutrients and fibre 54% ww. Hydrolyzed ulva lactuca extract is the hydrolysate of ulva lactuca extract derived. Media in category ulva lactuca the following 54 files are in this category, out of 54 total. Order ulvales enteromorpha clathrata roth greville, 1830. The phycocolloid present in ulva species is used in jam preparation. Itis taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. The ethylether extract of algae exhibited a broadspectrum of antibacterial activity. Enteromorpha intestinalis and ulva lactuca collected from the matla river of indian sunderbans delta.
30 116 1373 364 70 975 818 762 1002 1003 391 305 1112 1532 855 870 688 621 1271 997 432 1378 434 169 1284 1454 1181 1151 1526 859 1304 913 100 643 254 1047 1152 1275 758