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Enhanced production of astaxanthin by flashing light using Haematococcus pluvialis

Paper ID Volume ID Publish Year Pages File Format Full-Text
18436 42723 2006 6 PDF Available
Title
Enhanced production of astaxanthin by flashing light using Haematococcus pluvialis
Abstract

The effect of light is undoubtedly the most important factor of the astaxanthin accumulation in Haematococcus pluvialis. A suitable light source with adequate light intensity is required to accumulate a high-level of astaxanthin. Flashing light has been drawing an increasing interest as a potential alternative light source to enhance the efficiency of photosynthesis and the productivity of algally-driven products. Comparative experiments for producing high concentration of astaxanthin using flashing light as either internal or external illumination sources were performed and astaxanthin contents per light energy were compared to confirm the benefits of flashing light. When illuminated externally, the flashing light had an average intensity of 65.6 μE m−2 s−1 and improved the astaxanthin yield per photon by at least 60%. For internally illuminated flashing light, with an average intensity of mere 16.4 μE m−2 s−1 and the maximum instantaneous light intensity of 1724 μE m−2 s−1, the flashing light increased the astaxanthin production per photon by at least 400% than that under continuous light sources. These results indicated that flashing light can dramatically enhance the productivity of astaxanthin in H. pluvialis, especially when flashing light was used internally.

Keywords
Astaxanthin; Flashing light; Haematococcus pluvialis; Photobioreactor
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Publisher
Database: Elsevier - ScienceDirect
Journal: Enzyme and Microbial Technology - Volume 39, Issue 3, 3 July 2006, Pages 414–419
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
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us