Producing Cu-loaded algae for feeding experiments effects of copper on Parachlorella kessleri

Microalgae require several essential metals for optimum growth, which at elevated concentrations may interfere with biochemical and physiological processes, one of them being copper (Cu). The aim of this study is to raise Cu-loaded Parachlorella kessleri as feed for mussels. In order to spike the a...

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Main Authors: Nugroho, Andhika Puspito, Frank, Hartmut
Format: Article
Language:English
Published: Taylor & Francis 2011
Subjects:
Online Access:https://repository.ugm.ac.id/101279/1/Publication%20I.pdf
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author Nugroho, Andhika Puspito
Frank, Hartmut
author_facet Nugroho, Andhika Puspito
Frank, Hartmut
author_sort Nugroho, Andhika Puspito
collection UGM
description Microalgae require several essential metals for optimum growth, which at elevated concentrations may interfere with biochemical and physiological processes, one of them being copper (Cu). The aim of this study is to raise Cu-loaded Parachlorella kessleri as feed for mussels. In order to spike the algae with Cu without lowering their nutritional quality, it is important to know the highest Cu-concentration at which the main parameters remain unaffected, especially in respect to proteins and polysaccharides. The dependence of growth rate, biomass, chlorophyll-a and -b, pheophytin-a, protein, and polysaccharide contents on Cu concentrations are determined. The tests show that P. kessleri is largely unchanged in its nutritional value when exposed to Cu at levels of up to 6 mmol L1. Above 10 mmol L1, toxic effects become obvious, with chlorophyll contents and growth rate being the most sensitive indicators.
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spelling oai:generic.eprints.org:1012792015-03-24T01:34:49Z https://repository.ugm.ac.id/101279/ Producing Cu-loaded algae for feeding experiments effects of copper on Parachlorella kessleri Nugroho, Andhika Puspito Frank, Hartmut Biological Sciences Microalgae require several essential metals for optimum growth, which at elevated concentrations may interfere with biochemical and physiological processes, one of them being copper (Cu). The aim of this study is to raise Cu-loaded Parachlorella kessleri as feed for mussels. In order to spike the algae with Cu without lowering their nutritional quality, it is important to know the highest Cu-concentration at which the main parameters remain unaffected, especially in respect to proteins and polysaccharides. The dependence of growth rate, biomass, chlorophyll-a and -b, pheophytin-a, protein, and polysaccharide contents on Cu concentrations are determined. The tests show that P. kessleri is largely unchanged in its nutritional value when exposed to Cu at levels of up to 6 mmol L1. Above 10 mmol L1, toxic effects become obvious, with chlorophyll contents and growth rate being the most sensitive indicators. Taylor & Francis 2011-03 Article PeerReviewed application/pdf en https://repository.ugm.ac.id/101279/1/Publication%20I.pdf Nugroho, Andhika Puspito and Frank, Hartmut (2011) Producing Cu-loaded algae for feeding experiments effects of copper on Parachlorella kessleri. Toxicological and Environmental Chemistry, 93 (3). pp. 537-548. ISSN 0277-2248 http://dx.doi.org/10.1080/02772248.2010.537859 10.1080/02772248.2010.537859
spellingShingle Biological Sciences
Nugroho, Andhika Puspito
Frank, Hartmut
Producing Cu-loaded algae for feeding experiments effects of copper on Parachlorella kessleri
title Producing Cu-loaded algae for feeding experiments effects of copper on Parachlorella kessleri
title_full Producing Cu-loaded algae for feeding experiments effects of copper on Parachlorella kessleri
title_fullStr Producing Cu-loaded algae for feeding experiments effects of copper on Parachlorella kessleri
title_full_unstemmed Producing Cu-loaded algae for feeding experiments effects of copper on Parachlorella kessleri
title_short Producing Cu-loaded algae for feeding experiments effects of copper on Parachlorella kessleri
title_sort producing cu loaded algae for feeding experiments effects of copper on parachlorella kessleri
topic Biological Sciences
url https://repository.ugm.ac.id/101279/1/Publication%20I.pdf
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