The nutritive value of seaweed (Ulva lactuca) for goats

Ventura, M.R.; Castañón, J. I. R.

doi:10.1016/s0921-4488(97)00134-x

Cited by 60 publications

(32 citation statements)

References 7 publications

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“…LSS sample presented less TL than MSS samples (2.2% vs 3% dw), but remained well inside the 95% confidence interval as defined for MSS samples (0.9-5.2%). These values fall within the range already reported for different Ulva species (0.2-5.6%) (Aguilera- Morales et al, 2005;Marsham et al, 2007;McDermid & Stuercke, 2003;Ortiz et al, 2006;Taboada et al, 2009;Valente et al, 2006;Ventura & Castañón, 1998;Wong & Cheung, 2000).…”

Section: Lipids and Fatty Acidssupporting

confidence: 91%

“…Similar protein but lower ashes values (21.1-29.5% and 11-29% dw, respectively) have been reported for U. lactuca cultivated in Spain (Ventura & Castañón, 1998), U. rigida from the Portuguese coast produced as a by-product of a fish farm effluent (Valente et al, 2006), U. lactuca from the coastal area of Northern Chile (Ortiz et al, 2006), from Holbeck, UK (Marsham, Scott, & Tobin, 2007) and for Enteromorpha prolifera, Enteromorpha linza, and U. fasciata collected and cultivated in India (13.4-22.6 and 6.6-35.6% dw, respectively) (Naidu et al, 1993). Nevertheless, low protein and high ash values (5.9-17% and 17.5-55% dw) have also been reported for the following natural stock samples: U. fasciata and U. intestinalis (McDermid & Stuercke, 2003), U. lactuca (Wong & Cheung, 2000) and for E. intestinalis and Enteromorpha sp sampled on beaches from the city of La Paz, Baja California Sur, México (Aguilera- Morales et al, 2005).…”

Section: Crude Protein Ash and Dietary Fibresupporting

confidence: 82%

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Chemical composition of cultivated seaweed Ulva clathrata (Roth) C. Agardh

Mawhinney²,

et al. 2011

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a b s t r a c tSamples of cultivated Ulva clathrata were collected from a medium scale system (MSS, 1.5 Â 1.5 m tank), or from a large scale system (LSS, 0.8 ha earthen pond). MSS samples were dried directly while the LSS sample was washed in freshwater and pressed before drying. Crude protein content ranged 20-26%, essential amino acids accounting for 32-36% of crude protein. The main analysed monosaccharides were rhamnose (36-40%), uronic acids (27-29%), xylose (10-13%) and glucose (10-16%). Some notable variations between MSS and LSS samples were observed for total dietary fibre (26% vs 41%), saturated fatty acids (31% vs 51%), PUFAS (33% vs 13%), carotenoids (358 vs 169 mg kg À1 dw) and for Ca (9 vs 19 g kg ). The chemical composition of U. clathrata indicates that it has a good potential for its use in human and animal food.

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Section: Lipids and Fatty Acidssupporting

confidence: 91%

Section: Crude Protein Ash and Dietary Fibresupporting

confidence: 82%

Chemical composition of cultivated seaweed Ulva clathrata (Roth) C. Agardh

Mawhinney²,

et al. 2011

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“…(2009); i Murata and Nakazoe (2001); j Lahaye (1991); k Marinho-Soriano et al (2006); l Ventura and Castañón (1998); m Ortiz et al (2006); n Sathivel et al (2008); o Wong and Cheung (2000); p Foster and Hodgson (1998); q Arasaki and Arasaki (1983); r Heo and Jeon (2009); s Mishra et al (1993) the levels found in higher plants, and these fibres are rich in soluble fractions (Lahaye 1991;Dawczynski et al 2007). …”

Section: Dietary Fibresmentioning

confidence: 99%

“…The highest contents are found in species such as Ascophyllum, Porphyra and Palmaria; however, green seaweed species such as Ulva also have a high content, up to 65% of dry weight. Horn (2000); b Marsham et al (2007); c Foti (2007); d Wen et al (2006); e References in Jensen and Haug (1956); f Lamare and Wing (2001); g Rupérez and Saura-Calixto (2001); h Baardseth and Haug (1953); i Larsen and Haug (1958); j Herbreteau et al (1997); k Rioux et al (2007); l Rupérez (2002); m Jensen (1960); n Jensen (1966); o Jensen (1960); p Je et al (2009); q Murata and Nakazoe (2001); r Marinho-Soriano et al (2006); s Robledo and FreilePelegrín (1997); t Ortiz et al (2006); u Ventura and Castañón (1998); v Bobin-Dubigeon et al (1997); w Foster and Hodgson (1998); x Wong and Cheung (2001b); y Wong and Cheung (2000); z Simpson and Shacklock (1979); aa Holdt (2009); bb Arasaki and Arasaki (1983); cc Mishra et al (1993); dd Morgan et al (1980) Seaweeds are low in calories from a nutritional perspective. The lipid content is low, and even though the carbohydrate content is high, most of this is dietary fibres and not taken up by the human body.…”

Section: Polysaccharidesmentioning

confidence: 99%

Bioactive compounds in seaweed: functional food applications and legislation

Holdt

Kraan²

2011

J Appl Phycol

1,642

1,303

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Seaweed is more than the wrap that keeps rice together in sushi. Seaweed biomass is already used for a wide range of other products in food, including stabilising agents. Biorefineries with seaweed as feedstock are attracting worldwide interest and include low-volume, high valueadded products and vice versa. Scientific research on bioactive compounds in seaweed usually takes place on just a few species and compounds. This paper reviews worldwide research on bioactive compounds, mainly of nine genera or species of seaweed, which are also available in European temperate Atlantic waters, i.e. Laminaria sp., Fucus sp., Ascophyllum nodosum, Chondrus crispus, Porphyra sp., Ulva sp., Sargassum sp., Gracilaria sp. and Palmaria palmata. In addition, Undaria pinnatifida is included in this review as this is globally one of the most commonly produced, investigated and available species. Fewer examples of other species abundant worldwide have also been included. This review will supply fundamental information for biorefineries in Atlantic Europe using seaweed as feedstock. Preliminary selection of one or several candidate seaweed species will be possible based on the summary tables and previous research described in this review. This applies either to the choice of high valueadded bioactive products to be exploited in an available species or to the choice of seaweed species when a bioactive compound is desired. Data are presented in tables with species, effect and test organism (if present) with examples of uses to enhance comparisons. In addition, scientific experiments performed on seaweed used as animal feed are presented, and EU, US and Japanese legislation on functional foods is reviewed.

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“…Chlorella vulgaris (a microalgae) and Ulva lactuca (a macroalgae) were selected because they have been widely tested in other technologies for energy generation. Moreover, they have very different organic matter composition, with C. vulgaris containing more than 50% protein (Becker, 2007) and U. lactuca having around 60% carbohydrates (Ventura and Castañó n, 1998). The substrate degradation and microbial composition in MFCs and in anaerobic reactors were compared.…”

Section: Introductionmentioning

confidence: 99%

Energy from algae using microbial fuel cells

Velásquez-Orta

Curtis

Logan

2009

Biotech & Bioengineering

286

105

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Bioelectricity production from a phytoplankton, Chlorella vulgaris, and a macrophyte, Ulva lactuca was examined in single chamber microbial fuel cells (MFCs). MFCs were fed with the two algae (as powders), obtaining differences in energy recovery, degradation efficiency, and power densities. C. vulgaris produced more energy generation per substrate mass (2.5 kWh/kg), but U. lactuca was degraded more completely over a batch cycle (73 +/- 1% COD). Maximum power densities obtained using either single cycle or multiple cycle methods were 0.98 W/m(2) (277 W/m(3)) using C. vulgaris, and 0.76 W/m(2) (215 W/m(3)) using U. lactuca. Polarization curves obtained using a common method of linear sweep voltammetry (LSV) overestimated maximum power densities at a scan rate of 1 mV/s. At 0.1 mV/s, however, the LSV polarization data was in better agreement with single- and multiple-cycle polarization curves. The fingerprints of microbial communities developed in reactors had only 11% similarity to inocula and clustered according to the type of bioprocess used. These results demonstrate that algae can in principle, be used as a renewable source of electricity production in MFCs.

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The nutritive value of seaweed (Ulva lactuca) for goats

Cited by 60 publications

References 7 publications

Chemical composition of cultivated seaweed Ulva clathrata (Roth) C. Agardh

Chemical composition of cultivated seaweed Ulva clathrata (Roth) C. Agardh

Bioactive compounds in seaweed: functional food applications and legislation

Energy from algae using microbial fuel cells

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