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Identifier uch.biology.msc//2001karousou
Title Καλλιέργεια του εδώδιμου μακροφύκους στην Κρήτη Polysiphonia sp. Προκαταρτικά αποτελέσματα
Alternative Title Cultivation of edible macroalga (Polysiphonia sp.). Preliminaries Results
Author Καρούσου, Αλίκη
Thesis advisor Κεντούρη, Μαρουδιώ
Abstract Edible macro algae constitute an important source of proteins, vitamins, trace elements and fibers, containing very low percentage of lipids. This constitution makes them a necessary additive particularly of western nutrition, which is characterized by high percentages of fat and carbohydrates. The population of certain regions in Crete consumes traditionally a macro alga, genus Polysiphonia a species growing in shallow waters (0,5-1m) and in hard substratum. This species was found near the genera Cystoseira, Gigartina, Fosliella, Ectocarpus and Padina. The bay where Polysiphonia thrives is a western, protected area, where 3 small streams spill seasonally. The particular species of macro alga thrives mainly during the spring, presents an important reduction of biomass during the summer and grows again in autumn. A sample taken from the field was maintained for 11 days in an aquarium and in laboratory conditions (temperature19?C, salinity 34? and light conditions 10/14, L/D). In addition, a controlled cultivation of this macro alga was tried, using 3 different nutrients (F2, MAN, F2 enriched with salts), under 2 different light conditions (natural photoperiod and continuous light). The nutrient MAN gave the best results of growth, whereas the continuous light is a factor of stress for the growth of the Polysiphonia sp. The nutritional and potentially important economic value of this species underlies a thorough study of the possibilities of its cultivation. Besides, macro algae in general constitute an unexplored natural reserve to our country, which can lead to original ideas and results used by different industries (food, animal food, cosmetics, medicaments).
Language Greek
Issue date 2001-12-06
Collection   School/Department--School of Sciences and Engineering--Department of Biology--Post-graduate theses
  Type of Work--Post-graduate theses
Permanent Link https://elocus.lib.uoc.gr//dlib/a/f/d/metadata-dlib-2001karousou.tkl Bookmark and Share
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