Letter | Published:

Mass production of marine algae in outdoor cultures

Abstract

TWENTY-FIVE years ago the large scale culturing of unicellular algae was viewed with great enthusiasm as an alternative method for producing protein1. This hope diminished by the late 1960s when it seemed that the process was uneconomical because of a combination of technical problems, most notably the recovery of the algal product and its subsequent conversion to a human food and/or food supplement.

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