This leafy, bright green seaweed can be eaten in salads or added to soups. Las hojas masculinas tienen borde verde amarillento. The sea lettuces comprise the genus ulva, a group of edible green algae that is widely distributed along the coasts of the worlds oceans. The chemical composition and some biological properties of four algae ulva rigida, codium. It can also serve as a food source for hungry herbivores such as yellow tangs. When abundant, sea lettuce can smother bay grasses growing in the shallows. However, higher protein contents were recorded for certain red seaweeds. Pdf evaluation of bioethanol production from ulva lactuca.
Page designed through the cooperative efforts of interagency itis teams. Ulva is an excellent addition to marine aquariums in need of more cover for fish and invertebrates. Ulva lactuca, also known by the common name sea lettuce, is an edible green alga in the division chlorophyta. The cultivation of ulva lactuca chlorophyta in an integrated aquaculture system, for the production of abalone feed and the bioremediation of aquaculture effluent. The aim of this chapter is to gain insights from literature on the suitability of ulva lactuca as organic fertiliser. The green alga specimens ulva lactuca linnaeus were collected in april 2009 during a low tide at alqusayr the protective role of ulva lactuca against genotoxic and biochemical effects induced by.
Delicious when raw with a distinctive flavor and aroma, sea lettuce is exceptionally rich in nutrients. In mactan island cebu, central philippines, at least two species constitute the ulva population, either as freeliving or attached form. In some parts of the world, people eat sea lettuce in soups and salads. University of cape town,faculty of science,department of biological sciences, 2003 cited yyyy month dd. Pdf nutritional value of green seaweed ulva lactuca. Leong introduction this gently crescent shaped shawl is knitted sideways, from tip to tip all in one piece. Hosted by the usgs core science analytics and synthesis. Highlights ulva lactuca seaweed is a rich source of nutrients and fibre 54% ww. Steady state osmotic adaptation in ulva lactuca springerlink. Potential use of green macroalgae ulva lactuca as a feed. Descargar version bilingue inglesespanol en formato pdf. Ulva lactuca, also known by the common name sea lettuce, is an edible green alga in the family ulvaceae. Ulva lactuca acts a vital potential marine energy crop.
Ulva pertusa which is frequently consumed under the name aonori by japanese people shows a high protein level 26% of dry weight table 9. Large masses of sea lettuce are often an indicator of nutrient pollution in the water. Flavonoids, tannins, quinones, lipids, carbohydrates, and steroids were identified in both species. Sea lettuce ulva lactuca is a green algae thats found clinging to rocks in the intertidal zone, between the high and low tide mark. Ulva lactuca is a thin flat green algae growing from a discoid holdfast. Hydrolyzed ulva lactuca extract is a hydrolysate of ulva lactuca extract q. There is a longer, leafier version called ulva intestinalis gutweed which is also super tasty. The algae were cultivated in a land based facility demonstrating a production potential of 45 t ts ha 1y. Research article the protective role of ulva lactuca. Su pigmentacion varia desde amarillo verdoso hasta.
The high content of mineral in this alga shows its high bioaccumulation capacity. Hydrolyzed ulva lactuca extract skin deep cosmetics. Theres quite a few varieties worldwide but they all look largely similar, and like lettuce. In this respect ulva lactuca l, a green macro algae and. This study aimed to evaluate the effects of diet containing the green macroalgae, ulva lactuca, on the growth performance, feed utilization and body composition of african catfish clarias gariepinus. The type species within the genus ulva is ulva lactuca, lactuca being latin for lettuce. Nutritional value of green seaweed ulva lactuca for broiler chickens. Chemical composition and functional properties of ulva. Ulva lactuca, uma alga verde da divisao chlorophyta, e a especie tipica do genero ulva, tambem conhecida pelo nome mais geral alfacedomar 1. Wiggers, 1780 ulva crassa kjellman, 1877 ulva fasciata delile ulva lactuca f.
Find, read and cite all the research you need on researchgate. Some studies gave a value of 32% for protein content of ulva lactuca, but this rate appears to be a seasonal high value. Ulva lactuca in particular for the use as organic fertiliser will be discussed. Articulo original original article correspondencia. The functional properties swc, whc and ohc of this alga varied with temperatures. The site under studies was contaminated by heavy metal zn, cu and cd. The effects of hyper and hyposaline stresses on the levels of various inorganic and organic solutes inulva lactuca have been recorded.
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