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Assessment of carotenoid production by Dunaliella salina in different culture systems and operation regimes

Paper ID Volume ID Publish Year Pages File Format Full-Text
24122 43499 2011 6 PDF Available
Title
Assessment of carotenoid production by Dunaliella salina in different culture systems and operation regimes
Abstract

The effect of operation regime and culture system on carotenoid productivity by the halotolerant alga Dunaliella salina has been analyzed. Operation strategies tested included batch and semi continuous regime, as well as a two-stage approach run simultaneously in both, open tanks and closed reactor. The best results were obtained with the closed tubular photobioreactor. The highest carotenoid production (328.8 mg carotenoid l−1 culture per month) was achieved with this culture system operated following the two-stage strategy. Also, closed tubular photobioreactor provided the highest carotenoid contents (10% of dry weight) in Dunaliella biomass and β-carotene abundance (90% of total carotenoids) as well as the highest 9-cis to all-trans β-carotene isomer ratio (1.5 at sunrise).

Keywords
Microalgae; Dunaliella salina; β-Carotene; Photobioreactor; Biotechnology; Outdoor culture
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Assessment of carotenoid production by Dunaliella salina in different culture systems and operation regimes
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Biotechnology - Volume 151, Issue 2, 20 January 2011, Pages 180–185
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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