haematococcus pluvialis extract

extract of the alga, haematococcus pluvialis, stephanosphaeraceae PubMed: Astaxanthin Induction in Microalga H. pluvialis With Flat Panel Airlift Photobioreactors Under Indoor and Outdoor Conditions. PubMed: The effect of temperature on cell growth and astaxanthin accumulation of Haematococcus pluvialis during a light-dark cyclic cultivation. PubMed: Agrobacterium tumefaciens-mediated genetic transformation of haptophytes (Isochrysis species). PubMed: Chlorella zofingiensis as an alternative microalgal producer of astaxanthin: biology and industrial potential. PubMed: Genotoxicity and subacute toxicity studies of a new astaxanthin-containing Phaffia rhodozyma extract. PubMed: Comparative analyses of lipidomes and transcriptomes reveal a concerted action of multiple defensive systems against photooxidative stress in Haematococcus pluvialis. PubMed: The effective photoinduction of Haematococcus pluvialis for accumulating astaxanthin with attached cultivation. PubMed: Carotenoid genes transcriptional regulation for astaxanthin accumulation in fresh water unicellular alga Haematococcus pluvialis by gibberellin A3 (GA3). PubMed: Enhanced astaxanthin production from microalga, Haematococcus pluvialis by two-stage perfusion culture with stepwise light irradiation. PubMed: Attached cultivation of Haematococcus pluvialis for astaxanthin production. PubMed: Four different methods comparison for extraction of astaxanthin from green alga Haematococcus pluvialis. PubMed: Cognitive effects of a dietary supplement made from extract of Bacopa monnieri, astaxanthin, phosphatidylserine, and vitamin E in subjects with mild cognitive impairment: a noncomparative, exploratory clinical study. PubMed: Antioxidative activities of algal keto carotenoids acting as antioxidative protectants in the chloroplast. PubMed: Astaxanthin: sources, extraction, stability, biological activities and its commercial applications--a review. PubMed: Construction of transplastomic lettuce (Lactuca sativa) dominantly producing astaxanthin fatty acid esters and detailed chemical analysis of generated carotenoids. PubMed: Genetic engineering of the complete carotenoid pathway towards enhanced astaxanthin formation in Xanthophyllomyces dendrorhous starting from a high-yield mutant. PubMed: Directed evolution and characterization of atrazine chlorohydrolase variants with enhanced activity. PubMed: Effects of some parameters in upscale culture of Haematococcus pluvialis Flotow. PubMed: Image-based monitoring system for green algal Haematococcus pluvialis (Chlorophyceae) cells during culture. PubMed: Analysis of single algal cells by combining mass spectrometry with Raman and fluorescence mapping. PubMed: Analysis of mRNA expression profiles of carotenogenesis and astaxanthin production of Haematococcus pluvialis under exogenous 2, 4-epibrassinolide (EBR). PubMed: Comparison of different cells of Haematococcus pluvialis reveals an extensive acclimation mechanism during its aging process: from a perspective of photosynthesis. PubMed: Antiaging effects of astaxanthin-rich alga Haematococcus pluvialis on fruit flies under oxidative stress. PubMed: Evolutionary origins, molecular cloning and expression of carotenoid hydroxylases in eukaryotic photosynthetic algae. PubMed: Sodiation as a tool for enhancing the diagnostic value of MALDI-TOF/TOF-MS spectra of complex astaxanthin ester mixtures from Haematococcus pluvialis. PubMed: Solar spectral conversion for improving the photosynthetic activity in algae reactors. PubMed: From genetic improvement to commercial-scale mass culture of a Chilean strain of the green microalga Haematococcus pluvialis with enhanced productivity of the red ketocarotenoid astaxanthin. PubMed: Response surface methodology for ultrasound-assisted extraction of astaxanthin from Haematococcus pluvialis. PubMed: Determination of fucoxanthin isomers in microalgae (Isochrysis sp.) by high-performance liquid chromatography coupled with diode-array detector multistage mass spectrometry coupled with positive electrospray ionization. PubMed: Metabolic engineering of tomato for high-yield production of astaxanthin. PubMed: Tagging of biomolecules with deuterated water (D2O) in commercially important microalgae. PubMed: Effective inhibition of skin cancer, tyrosinase, and antioxidative properties by astaxanthin and astaxanthin esters from the green alga Haematococcus pluvialis. PubMed: [Effect of silencing lycB gene on the carotenoid synthesis in Haematococcus pluvialis]. PubMed: Development of thin-film photo-bioreactor and its application to outdoor culture of microalgae. PubMed: Potential biomass yield per phosphorus and lipid accumulation property of seven microalgal species. PubMed: Three-dimensional ultrastructural study of oil and astaxanthin accumulation during encystment in the green alga Haematococcus pluvialis. PubMed: Nondestructive monitoring of carotenogenesis in Haematococcus pluvialis via whole-cell optical density spectra. PubMed: Effect of various stress-regulatory factors on biomass and lipid production in microalga Haematococcus pluvialis. PubMed: Chlorophyll a and NADPH fluorescence lifetimes in the microalgae Haematococcus pluvialis (Chlorophyceae) under normal and astaxanthin-accumulating conditions. PubMed: Effect of diets supplemented with different sources of astaxanthin on the gonad of the sea urchin Anthocidaris crassispina. PubMed: Effects of astaxanthin-rich Haematococcus pluvialis extract on cognitive function: a randomised, double-blind, placebo-controlled study. PubMed: Induction of salicylic acid (SA) on transcriptional expression of eight carotenoid genes and astaxanthin accumulation in Haematococcus pluvialis. PubMed: Differential expression of carotenogenic genes, associated changes on astaxanthin production and photosynthesis features induced by JA in H. pluvialis. PubMed: Effects of spray-drying and storage on astaxanthin content of Haematococcus pluvialis biomass. PubMed: Production, extraction, and quantification of astaxanthin by Xanthophyllomyces dendrorhous or Haematococcus pluvialis: standardized techniques. PubMed: Ketocarotenoid biosynthesis in transgenic microalgae expressing a foreign β-C-4-carotene oxygenase gene. PubMed: Expression of fatty acid synthesis genes and fatty acid accumulation in haematococcus pluvialis under different stressors. PubMed: Cosmetic benefits of astaxanthin on humans subjects. PubMed: Astaxanthin preparation by lipase-catalyzed hydrolysis of its esters from Haematococcus pluvialis algal extracts. PubMed: Patterns of carbohydrate and fatty acid changes under nitrogen starvation in the microalgae Haematococcus pluvialis and Nannochloropsis sp. PubMed: Determination of astaxanthin in Haematococcus pluvialis by first-order derivative spectrophotometry. PubMed: Effects of Haematococcus pluvialis in maternal diet on reproductive performance and egg quality in rainbow trout (Oncorhynchus mykiss). PubMed: [Protective effects of astaxanthin against oxidative damage induced by 60Co gamma-ray irradiation]. PubMed: Multistage operation of airlift photobioreactor for increased production of astaxanthin from Haematococcus pluvialis. PubMed: Determination of the time transferring cells for astaxanthin production considering two-stage process of Haematococcus pluvialis cultivation. PubMed: Carotenoid distribution in living cells of Haematococcus pluvialis (Chlorophyceae). PubMed: Optimal design of scalable photo-bioreactor for phototropic culturing of Haematococcus pluvialis. PubMed: Structural changes of carotenoid astaxanthin in a single algal cell monitored in situ by Raman spectroscopy. PubMed: [High throughput screening atrazine chlorohydrolase mutants with enhanced activity through Haematococcus pluvialis expression system]. PubMed: Evidence for the involvement of surface carbohydrates in the recognition of Haematococcus pluvialis by the parasitic blastoclad Paraphysoderma sedebokerensis. PubMed: Astaxanthin-rich extract from the green alga Haematococcus pluvialis lowers plasma lipid concentrations and enhances antioxidant defense in apolipoprotein E knockout mice. PubMed: Isolation of a novel oil globule protein from the green alga Haematococcus pluvialis (Chlorophyceae). PubMed: Effects of Haematococcus pluvialis supplementation on antioxidant system and metabolism in rainbow trout (Oncorhynchus mykiss). PubMed: Investigation of the maximum quantum yield of PS II in Haematococcus pluvialis cell cultures during growth: effects of chemical or high-intensity light treatment. PubMed: Astaxanthin: a potential therapeutic agent in cardiovascular disease. PubMed: Engineering of a plasmid-free Escherichia coli strain for improved in vivo biosynthesis of astaxanthin. PubMed: An economic assessment of astaxanthin production by large scale cultivation of Haematococcus pluvialis. PubMed: Microalgae as sources of high added-value compounds--a brief review of recent work. PubMed: Studies on the genetic variation of the green unicellular alga Haematococcus pluvialis (Chlorophyceae) obtained from different geographical locations using ISSR and RAPD molecular marker. PubMed: The effect of naphthalene-acetic acid on biomass productivity and chlorophyll content of green algae, coccolithophore, diatom, and cyanobacterium cultures. PubMed: Functional characterization of various algal carotenoid ketolases reveals that ketolating zeaxanthin efficiently is essential for high production of astaxanthin in transgenic Arabidopsis. PubMed: In situ Raman imaging of astaxanthin in a single microalgal cell. PubMed: Potential health-promoting effects of astaxanthin: a high-value carotenoid mostly from microalgae. PubMed: Biotechnological production of astaxanthin with Phaffia rhodozyma/Xanthophyllomyces dendrorhous. PubMed: Effect of photon flux densities on regulation of carotenogenesis and cell viability of Haematococcus pluvialis (Chlorophyceae). PubMed: An alternative approach to the traditional mixotrophic cultures of Haematococcus pluvialis Flotow (Chlorophyceae). PubMed: Xanthophyllomyces dendrorhous for the industrial production of astaxanthin. PubMed: Secondary ketocarotenoid astaxanthin biosynthesis in algae: a multifunctional response to stress. PubMed: Ultraviolet-B radiation improves astaxanthin accumulation in green microalga Haematococcus pluvialis. PubMed: Characterization of microalgal carotenoids by mass spectrometry and their bioavailability and antioxidant properties elucidated in rat model. PubMed: Methyl jasmonate- or gibberellins A3-induced astaxanthin accumulation is associated with up-regulation of transcription of beta-carotene ketolase genes (bkts) in microalga Haematococcus pluvialis. PubMed: Identification of carotenoids from green alga Haematococcus pluvialis by HPLC and LC-MS (APCI) and their antioxidant properties. PubMed: Influences of different stress media and high light intensities on accumulation of astaxanthin in the green alga Haematococcus pluvialis. PubMed: Fed-batch culture of astaxanthin-rich Haematococcus pluvialis by exponential nutrient feeding and stepwise light supplementation. PubMed: Determination of astaxanthin and astaxanthin esters in the microalgae Haematococcus pluvialis by LC-(APCI)MS and characterization of predominant carotenoid isomers by NMR spectroscopy. PubMed: Preliminary Clinical Evaluation of Toxicity and Efficacy of A New Astaxanthin-rich Haematococcus pluvialis Extract. PubMed: Growth-inhibitory effects of the astaxanthin-rich alga Haematococcus pluvialis in human colon cancer cells. PubMed: Flat panel airlift photobioreactors for cultivation of vegetative cells of microalga Haematococcus pluvialis. PubMed: Occurrence and environmental stress responses of two plastid terminal oxidases in Haematococcus pluvialis (Chlorophyceae). PubMed: Semi-continuous cultivation of Haematococcus pluvialis for commercial production. PubMed: Subcritical water extraction and characterization of bioactive compounds from Haematococcus pluvialis microalga. PubMed: Comparative analysis of astaxanthin and its esters in the mutant E1 of Haematococcus pluvialis and other green algae by HPLC with a C30 column. PubMed: The synthesis of astaxanthin esters, independent of the formation of cysts, highly correlates with the synthesis of fatty acids in Haematococcus pluvialis. PubMed: A new method for the identification and the structural characterisation of carotenoid esters in freshwater microorganisms by liquid chromatography/electrospray ionisation tandem mass spectrometry. PubMed: High efficiency production of astaxanthin in an airlift photobioreactor. PubMed: Production of astaxanthin by Haematococcus pluvialis: taking the one-step system outdoors. PubMed: An open label, dose response study to determine the effect of a dietary supplement on dihydrotestosterone, testosterone and estradiol levels in healthy males. PubMed: Time- and media-dependent secondary carotenoid accumulation in Haematococcus pluvialis. PubMed: Ulcer preventive and antioxidative properties of astaxanthin from Haematococcus pluvialis. PubMed: Safety assessment of astaxanthin-rich microalgae biomass: Acute and subchronic toxicity studies in rats. PubMed: Enhancement of carotenoids by mutation and stress induced carotenogenic genes in Haematococcus pluvialis mutants. PubMed: Effect of light intensity and frequency of flashing light from blue light emitting diodes on astaxanthin production by Haematococcus pluvialis. PubMed: Regulation of carotenoid biosynthetic genes expression and carotenoid accumulation in the green alga Haematococcus pluvialis under nutrient stress conditions. PubMed: Consumption of oxygen by astaxanthin biosynthesis: a protective mechanism against oxidative stress in Haematococcus pluvialis (Chlorophyceae). PubMed: Isolation and characterization of a novel chytrid species (phylum Blastocladiomycota), parasitic on the green alga Haematococcus. PubMed: Haematococcus pluvialis cell-mass sensing using ultraviolet fluorescence spectroscopy. PubMed: Efficiency assessment of the one-step production of astaxanthin by the microalga Haematococcus pluvialis. PubMed: Supercritical carbon dioxide extraction of astaxanthin from Haematococcus pluvialis with vegetable oils as co-solvent. PubMed: Agricultural fertilizers as economical alternative for cultivation of Haematococcus pluvialis. PubMed: Engineering the halophilic bacterium Halomonas elongata to produce beta-carotene. PubMed: Impact of astaxanthin-enriched algal powder of Haematococcus pluvialis on memory improvement in BALB/c mice. PubMed: Metabolic engineering of novel ketocarotenoid production in carrot plants. PubMed: Response surface methodology to supercritical carbon dioxide extraction of astaxanthin from Haematococcus pluvialis. PubMed: Metabolic engineering of ketocarotenoids biosynthesis in the unicelullar microalga Chlamydomonas reinhardtii. PubMed: Astaxanthin production by Phaffia rhodozyma and Haematococcus pluvialis: a comparative study. PubMed: On the relative efficiency of two- vs. one-stage production of astaxanthin by the green alga Haematococcus pluvialis. PubMed: Differential expression of carotenogenic genes and associated changes in pigment profile during regeneration of Haematococcus pluvialis cysts. PubMed: Complementary limiting factors of astaxanthin synthesis during photoautotrophic induction of Haematococcus pluvialis: C/N ratio and light intensity. PubMed: Effect of flashing light from blue light emitting diodes on cell growth and astaxanthin production of Haematococcus pluvialis. PubMed: Antioxidant activity of Haematococcus pluvialis cells grown in continuous culture as a function of their carotenoid and fatty acid content. PubMed: Characterization of carotenoid hydroxylase gene promoter in Haematococcus pluvialis. PubMed: Determination of astaxanthin stereoisomers and colour attributes in flesh of rainbow trout (Oncorhynchus mykiss) as a tool to distinguish the dietary pigmentation source. PubMed: Metabolic flux analysis of the two astaxanthin-producing microorganisms Haematococcus pluvialis and Phaffia rhodozyma in the pure and mixed cultures. PubMed: Effective utilization of transmitted light for astaxanthin production by Haematococcus pluvialis. PubMed: Transformation of the green alga Haematococcus pluvialis with a phytoene desaturase for accelerated astaxanthin biosynthesis. PubMed: An efficient method for extraction of astaxanthin from green alga Haematococcus pluvialis. PubMed: A novel double-layered photobioreactor for simultaneous Haematococcus pluvialis cell growth and astaxanthin accumulation. PubMed: Characterization of astaxanthin esters in Haematococcus pluvialis by liquid chromatography-atmospheric pressure chemical ionization mass spectrometry. PubMed: Simultaneous measurement of chlorophyll and astaxanthin in Haematococcus pluvialis cells by first-order derivative ultraviolet-visible spectrophotometry. PubMed: Astaxanthin, a carotenoid with potential in human health and nutrition. PubMed: Photoautotrophic high-density cultivation of vegetative cells of Haematococcus pluvialis in airlift bioreactor. PubMed: Astaxanthin: a review of its chemistry and applications. PubMed: Comparative analysis of the outdoor culture of Haematococcus pluvialis in tubular and bubble column photobioreactors. PubMed: Gene expression profile analysis in astaxanthin-induced Haematococcus pluvialis using a cDNA microarray. PubMed: Isolation and proteomic analysis [corrected] of cell wall-deficient Haematococcus pluvialis mutants. PubMed: Fed-batch culture under illumination with blue light emitting diodes (LEDs) for astaxanthin production by Haematococcus pluvialis. PubMed: Digital image processing-an alternate tool for monitoring of pigment levels in cultured cells with special reference to green alga Haematococcus pluvialis. PubMed: Stress-related differential expression of multiple beta-carotene ketolase genes in the unicellular green alga Haematococcus pluvialis. PubMed: Effects of nutrient supply methods and illumination with blue light emitting diodes (LEDs) on astaxanthin production by Haematococcus pluvialis. PubMed: Enlarged and astaxanthin-accumulating cyst cells of the green alga Haematococcus pluvialis. PubMed: ;Low-waves' in chlorophyll fluorescence kinetics indicate deprivation of bicarbonate. PubMed: Efficient one-step production of astaxanthin by the microalga Haematococcus pluvialis in continuous culture. PubMed: Cloning and characterization of beta-carotene ketolase gene promoter in Haematococcus pluvialis. PubMed: Comparison of heterotrophic and photoautotrophic induction on astaxanthin production by Haematococcus pluvialis. PubMed: A combination of soft-shell turtle powder and essential oil of a unicellular chorophyte prevents bone loss and decreased bone strength in ovariectomized rats. PubMed: Haematococcus pluvialis cultivation in split-cylinder internal-loop airlift photobioreactor under aeration conditions avoiding cell damage. PubMed: Analysis and enhancement of astaxanthin accumulation in Haematococcus pluvialis. PubMed: Proteomic analysis of molecular response to oxidative stress by the green alga Haematococcus pluvialis (Chlorophyceae). PubMed: Mono and diterpene production in Escherichia coli. PubMed: Identification and quantification of astaxanthin esters in shrimp (Pandalus borealis) and in a microalga (Haematococcus pluvialis) by liquid chromatography-mass spectrometry using negative ion atmospheric pressure chemical ionization. PubMed: Separation and determination of astaxanthin from microalgal and yeast samples by molecularly imprinted microspheres. PubMed: Cell wall proteomics of the green alga Haematococcus pluvialis (Chlorophyceae). PubMed: Presence of a nonhydrolyzable biopolymer in the cell wall of vegetative cells and astaxanthin-rich cysts of Haematococcus pluvialis (Chlorophyceae). PubMed: CYP175A1 from Thermus thermophilus HB27, the first beta-carotene hydroxylase of the P450 superfamily. PubMed: Influence of environmental and nutritional factors in the production of astaxanthin from Haematococcus pluvialis. PubMed: Synthesis of ketocarotenoids in the seed of Arabidopsis thaliana. PubMed: Optimization of biomass, total carotenoids and astaxanthin production in Haematococcus pluvialis Flotow strain Steptoe (Nevada, USA) under laboratory conditions. PubMed: A comparative study of antioxidant protection in cryopreserved unicellular algae Euglena gracilis and Haematococcus pluvialis. PubMed: Screening and characterization of astaxanthin-hyperproducing mutants of Haematococcus pluvialis. PubMed: Light induction of carotenoid biosynthesis genes in the green alga Haematococcus pluvialis: regulation by photosynthetic redox control. PubMed: Safety of an astaxanthin-rich Haematococcus pluvialis algal extract: a randomized clinical trial. PubMed: Interactions between irradiance and nutrient availability during astaxanthin accumulation and degradation in Haematococcus pluvialis. PubMed: Haematococcus astaxanthin: applications for human health and nutrition. PubMed: Evaluation of factors promoting astaxanthin production by a unicellular green alga, Haematococcus pluvialis, with fractional factorial design. PubMed: Modeling light-induced currents in the eye of Chlamydomonas reinhardtii. PubMed: New strategy for the cultivation of microalgae using microencapsulation. PubMed: Two-stage cultures for the production of astaxanthin from Haematococcus pluvialis. PubMed: Regulation of two carotenoid biosynthesis genes coding for phytoene synthase and carotenoid hydroxylase during stress-induced astaxanthin formation in the green alga Haematococcus pluvialis. PubMed: In vivo antioxidant role of astaxanthin under oxidative stress in the green alga Haematococcus pluvialis. PubMed: Ketocarotenoid biosynthesis outside of plastids in the unicellular green alga Haematococcus pluvialis. PubMed: Astaxanthin-rich algal meal and vitamin C inhibit Helicobacter pylori infection in BALB/cA mice. PubMed: [Microbial sources of pigments]. PubMed: Metabolic engineering of astaxanthin production in tobacco flowers. PubMed: Optimization of culture medium for the continuous cultivation of the microalga Haematococcus pluvialis. PubMed: Phytoene desaturase is localized exclusively in the chloroplast and up-regulated at the mRNA level during accumulation of secondary carotenoids in Haematococcus pluvialis (Volvocales, chlorophyceae). PubMed: Hydrolysis kinetics of astaxanthin esters and stability of astaxanthin of Haematococcus pluvialis during saponification. PubMed: Carotenoid hydroxylase from Haematococcus pluvialis: cDNA sequence, regulation and functional complementation. PubMed: Dynamics and stability analysis of the growth and astaxanthin production system of Haematococcus pluvialis. PubMed: Kinetic models for astaxanthin production by high cell density mixotrophic culture of the microalga Haematococcus pluvialis. PubMed: Production of ketocarotenoids by microalgae. PubMed: Phylogenetic position of the Phacotaceae within the Chlamydophyceaeas revealed by analysis of 18S rDNA and rbcL sequences. PubMed: Time-gated autofluorescence microscopy of motile green microalga in an optical trap. PubMed: Differential expression of two isopentenyl pyrophosphate isomerases and enhanced carotenoid accumulation in a unicellular chlorophyte. PubMed: Enzymic confirmation of reactions involved in routes to astaxanthin formation, elucidated using a direct substrate in vitro assay. PubMed: Expression of an exogenous isopentenyl diphosphate isomerase gene enhances isoprenoid biosynthesis in Escherichia coli. PubMed: Rapid liquid chromatographic method to distinguish wild salmon from aquacultured salmon fed synthetic astaxanthin. PubMed: A novel homologue of the prokaryotic htrA gene is differentially expressed in the alga Haematococcus pluvialis following stress. PubMed: In vitro characterization of astaxanthin biosynthetic enzymes. PubMed: Metabolic engineering for the production of carotenoids in non-carotenogenic bacteria and yeasts. PubMed: Expression in Escherichia coli and properties of the carotene ketolase from Haematococcus pluvialis. PubMed: Isolation and functional identification of a novel cDNA for astaxanthin biosynthesis from Haematococcus pluvialis, and astaxanthin synthesis in Escherichia coli. PubMed: Cloning and expression in Escherichia coli of the gene encoding beta-C-4-oxygenase, that converts beta-carotene to the ketocarotenoid canthaxanthin in Haematococcus pluvialis. PubMed: Enhanced Carotenoid Biosynthesis by Oxidative Stress in Acetate-Induced Cyst Cells of a Green Unicellular Alga, Haematococcus pluvialis. PubMed: Two components of photoreceptor potential in phototaxis of the flagellated green alga Haematococcus pluvialis. PubMed: Doppler velocimetry measurements of phototactic response in flagellated algae. PubMed: [Immunofluorescent study of the basic chromosomal protein set of green algae and Euglena]. PubMed: Photoreceptor electric potential in the phototaxis of the alga Haematococcus pluvialis. PubMed: [Induction of fluorescence of a single chloroplast in an entire cell of the green alga Haematococcus pluvialis]. PubMed: [Protesting of drugs using lower and higher plants. 3. Determination of division-favouring or cytostatic effects of drugs using Haematococcus pluvialis Flotow]. PubMed: [Blood-rain and blood-snow: nitrogen-deficient cells of haematococcus pluvialis and chlamydomonas nivalis]. PubMed: [Localization of secondary carotenoids of Haematococcus pluvialis Flotow em Wille]. PubMed: [Alternating rates of increase in synchronized cultures of macrozoospores of the unicellular green alga Haematococcus pluvialis]. PubMed: Some factors governing encystment in Haematococcus pluvialis. PubMed: Studies in carotenogenesis. 11. Carotenoid synthesis in the alga Haematococcus pluvialis.