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Biological Activities of Purified Marennine, the Blue Pigment Responsible for the Greening of Oysters

Journal of Agricultural and Food Chemistry, 2012
Marennine, the blue pigment produced by the diatom Haslea ostrearia , exists in two different forms, the intra- and extracellular forms. We investigated the antibacterial, antiviral, and antiproliferative properties of both of these forms. Both forms of marennine inhibited the development of marine bacteria, in particular the pathogenic organism ...
Gastineau, Romain   +7 more
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Hybrid photobioreactor operation for the intensified production of Haslea ostrearia and marennine in function of strain variability

Algal Research, 2023
International audience ; Marennine is a high-value compound produced by the benthic diatom Haslea ostrearia, which could be used as an alternative to synthetic antibiotics in aquaculture. Over the last few years, however, low production rates have been impeding its exploitation. Recent progress on H.
Pedron, Elodie   +6 more
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Enhancement of marennine production by blue light in the diatom Haslea ostrearia

Journal of Applied Phycology, 2005
The marine diatom Haslea ostrearia Simonsen produces a blue pigment, marennine, which is used for greening oysters. This microalga is cultured industrially indoors with artificial light. The influence of light quality on marennine production by cultures of H. ostrearia was investigated in the laboratory and at a semi-pilot scale (300 L tanks).
Jean-Luc Mouget   +3 more
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Continuous marennin production by agar-entrapped Haslea ostrearia using a tubular photobioreactor with internal illumination

Applied Microbiology and Biotechnology, 2000
The marine diatom Haslea ostrearia was immobilized in a tubular agar gel layer introduced into a photobioreactor of original design with internal illumination for the continuous synthesis of marennin, a blue-green pigment of biotechnological interest. Marennin was produced for a long-term period (27-43 days) and the volumetric productivity was maximum (
T, Lebeau   +4 more
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Marennine production by agar-entrapped Haslea ostrearia Simonsen

Bioresource Technology, 1999
Abstract The pennate Diatom Haslea ostrearia was successfully immobilized in agar-gel disks and tested for marennine production in batch experiments. The concentration of pigment recovered varied between 34 and 92 mg l−1 liquid medium, according to the initial cell loading of the gel structures, which corresponded to volumetric production rates ...
openaire   +1 more source

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