Results 31 to 40 of about 8,311 (214)

Comparison of the accumulation of astaxanthin in Haematococcus pluvialis and other green microalgae under N-starvation and high light conditions [PDF]

open access: yes, 2001
Haematococcus pluvialis gave the highest astaxanthin accumulation rate (2.7 mg l−1 day−1) and total astaxanthin content ( 22.7 mg g−1 biomass). Astaxanthin accumulation in Neochloris wimmeri, Protosiphon botryoides, Scotiellopsis oocystiformis, Chorella ...
Abalde, Julio   +3 more
core   +2 more sources

Flow cytometric analysis of the encystment process induced by paraquat exposure in Haematococcus pluvialis (Chlorophyceae) [PDF]

open access: yes, 2011
The freshwater microalga Haematococcus pluvialis exhibits a unique morphological response to environmental stress, accumulating carotenoid pigment during encystment.
Abalde, Julio   +3 more
core   +2 more sources

Analysis and enhancement of astaxanthin accumulation in Haematococcus pluvialis [PDF]

open access: yes, 2005
The green microalga Haematococcus pluvialis was cultured with different concentrations of NaNO3 to determine the effect on cell growth and astaxanthin accumulation.
Abalde, Julio   +3 more
core   +2 more sources

Tropical Fruit Wastes as an Organic Nutrient Sources for the Cultivation of Chlorella vulgaris and Haematococcus pluvialis [PDF]

open access: yesNature Environment and Pollution Technology, 2021
The possibility of replacing the inorganic medium with tropical organic fruit waste medium as a nutrient supplement was evaluated for the cultivation of Chlorella vulgaris and Haematococcus pluvialis in this study.
Y.H. Tan, Y.J. Khoo, M.K. Chai and L.S. Wong
doaj   +1 more source

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

open access: yesVietnam Journal of Science, Technology and Engineering, 2022
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.
Thanh-Tri Do   +9 more
doaj   +1 more source

Detection and Enhancement of Ketocarotenoid Accumulation in the Newly Isolated Sarcinoid Green Microalga Chlorosarcinopsis PY02 [PDF]

open access: yes, 2018
The sarcinoid alga PY02 is a newly isolated soil alga native to western Thailand. In this study PY02 is described, the carotenoid profile of the green and red forms of the algal cells are compared, and the effect of nitrogen reduction and media volume on
Brocklehurst, TW   +3 more
core   +6 more sources

Isolation and characterization of a carotenoid oxygenase gene from Chlorella zofingiensis (Chlorophyta) [PDF]

open access: yes, 2006
The green alga Chlorella zofingiensis produces large amounts of the valuable ketocarotenoid astaxanthin under dark, heterotrophic growth conditions, making it potentially employable for commercial production of astaxanthin as feed additives, colorants ...
Chen, F, Huang, JC, Sandmann, G, Wang, Y
core   +1 more source

Improved production of lutein and β-carotene by thermal and light intensity upshifts in the marine microalga Tetraselmis sp. CTP4 [PDF]

open access: yes, 2020
The industrial microalga Tetraselmis sp. CTP4 is a promising candidate for aquaculture feed, novel food, cosmeceutical and nutraceutical due to its balanced biochemical profile.
Barreira, Luísa   +8 more
core   +1 more source

Degradation rate of astaxanthin from Haematococcus pluvialis

open access: yesFood Research, 2022
Astaxanthin is an antioxidant that is sensitive to environmental conditions. This study aimed to determine the effect of temperature and lighting on the concentration of astaxanthin, then derive the kinetic equation for its degradation. The half-life was calculated to determine the astaxanthin degradation time at which its concentration drops to half ...
P.R. Dewanti   +3 more
openaire   +1 more source

Study on the Structure and Functional Characteristics of Proteins from Haematococcus pluvialis

open access: yesLiang you shipin ke-ji
Haematococcus pluvialis residue powder, which has been extracted with astaxanthin, was used as the raw material to prepare Haematococcus pluvialis protein by alkaline extraction and acid precipitation method.
LI Qin   +6 more
doaj   +1 more source

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