This message is posted to you from ALGAE-L.
In the letter attached below containing excerpts from different letters,
someone suggests that only marine algae can accumulate oil and that oil
accumulation has to do with salinity. In the last few years I have been
working on a freshwater alga that can accumulate over 50% oil. Therefore,
oil accumulation may occur also in other freshwater algae.
>This message is posted to you from ALGAE-L.
>I have just subscribed to the Algae-L list and saw your question there
>about extraction etc.
>I have been doing a little research on this recently for biodiesal
>production and was interested
>if you had found any other sites with some info.
>following is a copy of a letter and reply to a co in USA producing algae
>From: Marc Cardoso at EgoGenics <[log in to unmask]>
>To: John Harris <[log in to unmask]>
>Date: Saturday, 21 October 2000 7:01
>Subject: Re: Algae
>I grow nothing but freshwater bluegreen algae, primarily Spirulina and
>butyrococcus in my ponds we also work with dunaliela which is a salt or
>brackish water algae..
>all the best to you!
>Thanks for the reply Marc,
>Have looked at dunalialla parva as this looks to have the highest oil
>content of any I have seen described so far and effecient users of CO2
>enriched water but dont know if I can find a acidogenic/methogenic
>combination to go with it at this salt content - will be interesting trying
>anyway. Thanks again and will be in touch if I find myself in a position to
>look at your total IBS solutions that look facinating
>Regards and thanks
>Have some references which suggest that the oil content of dunalialla parva
>may be as high as 80% dry wt.
>have no Idea what this means in real terms.
>I had hoped to find a high oil content fresh water algae for the process I
>am working on but this looks to be
>botanically unlikely as from what I have read the oil content is directly
>related to an algaes tolerance to salinity
>however I am new at this and am neither a botanist or scientist so could be
>mistaken. Also it seems that the research
>on Algae in Australia especially inland is almost non existant so anything
>may be out there.
>Will probably catch you on Algae-L list later and will post something there
>about some other data.
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Prof. Zvi Cohen
Director, Blaustein Center for Scientific Cooperation
Jacob Blaustein Institute for Desert Research
Ben Gurion University
Sde Boker campus
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