Effects of red and blue light emitting diodes on biomass and astaxanthin of Haematococcus pluvialis in pilot scale angled twin-layer porous substrate photobioreactors

The production of natural astaxanthin is usually accomplished by suspended cultivation of the microalgae Haematococcus pluvialis. In this study, for the purpose of cost reduction, H. pluvialis is grown in pilot scale angled twin-layer porous substrate photobioreactors with light energy from red/blu...

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Bibliographic Details
Published in:Vietnam Journal of Science, Technology and Engineering
Main Authors: Thanh-Tri Do, Bich-Huy Tran-Thi, Binh-Nguyen Ong, Tuan-Loc Le, Thanh-Cong Nguyen, Quoc-Dang Quan, Thuong-Chi Le, Dai-Long Tran, Michael Melkonian, Hoang-Dung Tran
Format: Article
Language:English
Published: Vietnam Ministry of Science and Technology 2022-03-01
Subjects:
angled
astaxanthin
biofilm
Haematococcus pluvialis
photobioreactor
porous substrate
Online Access:https://vietnamscience.vjst.vn/index.php/vjste/article/view/56
Description
Summary:The production of natural astaxanthin is usually accomplished by suspended cultivation of the microalgae Haematococcus pluvialis. In this study, for the purpose of cost reduction, H. pluvialis is grown in pilot scale angled twin-layer porous substrate photobioreactors with light energy from red/blue LEDs that can produce red light, blue light, or a combination of blue-red light. The total dry biomass of the microalgae reached a maximum of 40.74 g.m-2 under blue-red LEDs. The early initiation of blue-red LED illumination (on day 2) after algae immobilization in the biofilm resulted in the highest accumulation of astaxanthin in the dry biomass, which reached a maximum of 1.3% (w/w) after 10 d of culture.
ISSN:2525-2461
2615-9937

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