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Mass culture of the green alga Dunaliella salina for beta-carotene products
Mackay, B.J.; Borowitzka, L.J. (1989). Mass culture of the green alga Dunaliella salina for beta-carotene products, in: De Pauw, N. et al. (Ed.) Aquaculture: a biotechnology in progress: volume 1. pp. 441-442
In: De Pauw, N. et al. (Ed.) (1989). Aquaculture: a biotechnology in progress: volume 1. European Aquaculture Society: Bredene, Belgium. ISBN 90-71625-03-6. 1-592 pp., more

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Document type: Conference paper

Keyword
    Marine

Authors  Top 
  • Mackay, B.J.
  • Borowitzka, L.J.

Abstract
    The feasibility of producing natural beta-carotene from open-air pond cultures of the microalga Dunaliella salina has been investigated for the past 6 years at Hutt Lagoon, Western Australia. A production plant with over 25ha of ponds was opened in late 1986 and is now in full production. No reduction in productivity has been observed in the scale-up from pilot-scale ponds to the current 50 000m² production ponds. The algae are grown in high salinity brine in shallow ponds formed by building earthen walls on the floor of a pristine salt lake. Methods have been developed for harvesting the algae from the brine, and extracting the beta-carotene from the algae. Several beta-carotene containing products are available, these include beta-carotene in oil for the food and pharmaceutical industries, and dried algal powder for prawn feed.

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