Results 21 to 30 of about 10,236 (220)

Fatty acid profiles of the main lipid classes of green seaweeds from fish pond aquaculture [PDF]

open access: yes, 2017
The lipid composition of five species of green seaweeds (Chaetomorpha linum, Rhizoclonium riparium, Ulva intestinalis, Ulva lactuca, and Ulva prolifera) grown in fish pond aquaculture systems was studied.
Bandarra   +24 more
core   +1 more source

Utilization of Inorganic Carbon by Ulva lactuca [PDF]

open access: yesPlant Physiology, 1991
Thalli discs of the marine macroalga Ulva lactuca were given inorganic carbon in the form of HCO(3) (-), and the progression of photosynthetic O(2) evolution was followed and compared with predicted O(2) evolution as based on calculated external formation of CO(2) (extracellular carbonic anhydrase was not present in this species) and its carboxylation (
Z, Drechsler, S, Beer
openaire   +2 more sources

UJI AKTIVITAS ANTIOKSIDAN EKSTRAK GANGGANG HIJAU (Ulva lactuca L.) DENGAN VARIASI KONSENTRASI PELARUT ETANOL 60%, 75%, DAN 96% MENGGUNAKAN METODE DPPH (1,1-difenil-2-pikrilhidrazil)

open access: yesJIIS: Jurnal Ilmiah Ibnu Sina, 2020
Radikal bebas memberikan efek negatif yaitu mempercepat terjadinya penuaan dini akibat stress oksidatif yang berperan dalam proses penuaan. Peenelitian sebelumnya ekstrak etanol ganggang hijau Spyrogyra dan Ulva lactuca L. memiliki aktivitas antioksidan
Desti Kameliani   +2 more
doaj   +3 more sources

Ionic Relations and Ultrastructure in Ulva Lactuca [PDF]

open access: yesAustralian Journal of Biological Sciences, 1967
Measurements have been made of fluxes of potassium and sodium in U. lactuca. As far as potassium exchange is concerned, the non-free space acts as a single component; the rate of exchange of the 350 ".-equiv/g of potassium is appa.rently limited by )the plasmalemma ,where the flux is aboJlt 100 p.-equiv/g fresh wt./hr.
KR West, MG Pitman
openaire   +1 more source

Comparison of Ulva lactuca and Ulva clathrata as ingredients in Litopenaeus vannamei feeds [PDF]

open access: yesInternational Journal of Fisheries and Aquatic Studies, 2021
Ulva lactuca and Ulva clathrata are marine green algae belonging to genera Ulva. These algae have a lot of nutrient such as protein, carbohydrates, lipids, pigments and others. These nutrient can be used to improve the growth performance and health of Shrimps. Several studies have shown that U. lactuca and U.
Dian Yuni Pratiwi   +1 more
openaire   +1 more source

Enhancement of Biogas Production from Macroalgae Ulva latuca via Ozonation Pretreatment

open access: yesEnergies, 2021
One of the dominant species of green algae growing along the Mediterranean coast of Egypt is Ulva lactuca. Pretreatment can have a major effect on biogas production because hydrolysis of the algae cell wall structure is a rate-limiting stage in the ...
Mohamed A. Hassaan   +6 more
doaj   +1 more source

Differentiation between some Ulva spp. by morphological, genetic and biochemical analyses

open access: yesВавиловский журнал генетики и селекции, 2017
Ulva is most common green seaweed in Egypt coast, it used as a source of food, feed, medicines and fertilizers in all the world. This study is the first time to investigate the morphological, genetic and biochemical variation within four Ulva species ...
M. M. Ismail, E. S. Mohamed
doaj   +1 more source

Rapid toxicity assessment of six antifouling booster biocides using a microplate-based chlorophyll fluorescence in Undaria pinnatifida gametophytes [PDF]

open access: yes, 2020
Biocides of antifouling agents can cause problems in marine ecosystems by damaging to non-target algal species. Aquatic bioassays are important means of assessing the quality of water containing mixtures of contaminants and of providing a safety standard
Choi, Soyeon   +4 more
core   +2 more sources

Isolation of Rhamnose Derivatives from Ulva lactuca [PDF]

open access: yesNature, 1941
WORKING on algae other than the Chlorophyceae, various investigators have established the existence of algal polysaccharides containing mannuronic, galactose or fucose residues, the two latter being in the form of sulphuric acid esters. An investigation of Ulva lactuca, a member of the Chlorophyceae, undertaken with the hope of ultimate correlation ...
M. M. T. PLANT, E. D. JOHNSON
openaire   +1 more source

The influence of sulfathiazole on the macroalgae Ulva lactuca [PDF]

open access: yesChemosphere, 2014
Sulfonamides (SA) are a class of antibiotics routinely found in environmental matrices and therefore their role as contaminants should be investigated in non-target organisms. With this purpose the present experimental work has evaluated the exposure of the chlorophycean Ulva lactuca L. to sulfathiazole (STZ), a SA drug commonly used in aquaculture, at
Leston, Sara   +6 more
openaire   +3 more sources

Home - About - Disclaimer - Privacy