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Effective utilization of transmitted light for astaxanthin production by Haematococcus pluvialis

Paper ID Volume ID Publish Year Pages File Format Full-Text
22138 43256 2006 5 PDF Available
Title
Effective utilization of transmitted light for astaxanthin production by Haematococcus pluvialis
Abstract

A new cultivation method, in which physiological responses of Haematococcus pluvialis to different intensities and wavelengths of illuminating light are utilized, is proposed. In this method, light transmitted through a cultivation vessel illuminated from the opposite side was utilized for the early-phase cultivation of H. pluvialis in another inoculated vessel that was located behind the cultivation vessel, to save time required for the growth of cells. After harvesting cells from the front vessel, the vessel that was originally behind was shifted to the position of the front vessel. The abrupt increase in light intensity caused by shift of the position induced the effective accumulation of astaxanthin. These procedures for inoculation, shift of vessels and harvest were repeated using two vessels arranged in series along the light path. After four repeated cycles of cultivation (840 h from the start of cultivation), using 2.5 cm thick vessels, astaxanthin production per unit volume and the astaxanthin content were higher than obtained in a batch cultivation with two 2.5 cm vessels.

Keywords
astaxanthin; Haematococcus pluvialis; transmitted light; physiological response
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Bioscience and Bioengineering - Volume 102, Issue 2, August 2006, Pages 97–101
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