Astaxanthin

CAS# 472-61-7

Astaxanthin

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Quality Control of Astaxanthin

Number of papers citing our products

Chemical structure

Astaxanthin

3D structure

Chemical Properties of Astaxanthin

Cas No. 472-61-7 SDF Download SDF
PubChem ID 5281224 Appearance Red powder
Formula C40H52O4 M.Wt 596.85
Type of Compound Miscellaneous Storage Desiccate at -20°C
Solubility DMSO : < 1 mg/mL (insoluble or slightly soluble)
*Astaxanthin is usually formulated as a suspension.
Chemical Name (6S)-6-hydroxy-3-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-18-[(4S)-4-hydroxy-2,6,6-trimethyl-3-oxocyclohexen-1-yl]-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-2,4,4-trimethylcyclohex-2-en-1-one
SMILES CC1=C(C(CC(C1=O)O)(C)C)C=CC(=CC=CC(=CC=CC=C(C)C=CC=C(C)C=CC2=C(C(=O)C(CC2(C)C)O)C)C)C
Standard InChIKey MQZIGYBFDRPAKN-UWFIBFSHSA-N
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Source of Astaxanthin

The Haematococcus Pluvialis

Biological Activity of Astaxanthin

DescriptionAstaxanthin is a strong antioxidant which shows neuroprotective property and can reduce the markers of inflammation, it can reduce matrix metalloproteinase expression in human chondrocytes, it may be beneficial in the treatment of osteoarthritis.Astaxanthin has protective effect on fetal alcohol spectrum disorder, and suggests that oxidative stress and TLR4 signaling associated inflammatory reaction are involved in this process. Astaxanthin administration can reduce renal calcium oxalate crystal deposition possibly by modulating the renal renin-angiotensin system (RAS), which reduces the expression of OPN and TGF-β1 levels.
TargetsTLR | NF-kB | TNF-α | IL Receptor | TGF-β/Smad | MMP(e.g.TIMP) | p38MAPK | ERK
In vitro

Astaxanthin reduces matrix metalloproteinase expression in human chondrocytes.[Pubmed: 24480614]

Int Immunopharmacol. 2014 Mar;19(1):174-7.

Astaxanthin is a red carotenoid pigment which exerts multiple biological activities. However, little is known about the effects of Astaxanthin on matrix metalloproteinases (MMPs) in OA.
METHODS AND RESULTS:
The present study investigated the effects of Astaxanthin on MMPs in human chondrocytes. Human chondrocytes were pretreated with Astaxanthin at 1, 10 or 50μM, then, cells were stimulated with IL-1β (10ng/ml) for 24h. MMP-1, MMP-3 and MMP-13 were observed. We found that Astaxanthin reduced the expression of MMP-1, MMP-3 and MMP-13 as well as the phosphorylation of two mitogen-activated protein kinases (MAPK) (p38 and ERK1/2) in IL-1β-stimulated chondrocytes. Astaxanthin also blocked the IκB-α degradation.
CONCLUSIONS:
These results suggest that Astaxanthin may be beneficial in the treatment of OA.

In vivo

The antioxidant effect of astaxanthin is higher in young mice than aged: a region specific study on brain.[Pubmed: 26116165]

Metab Brain Dis. 2015 Jun 27.

Astaxanthin is a potential antioxidant which shows neuroprotective property. We aimed to investigate the age-dependent and region-specific antioxidant effects of Astaxanthin in mice brain.
METHODS AND RESULTS:
Animals were divided into 4 groups; treatment young (3 months, n = 6) (AY), treatment old (16 months, n = 6) (AO), placebo young (3 months, n = 6) (PY) and placebo old (16 months, n = 6) (PO) groups. Treatment group was given Astaxanthin (2 mg/kg/day, body weight), and placebo group was given 100 μl of 0.9% normal saline orally to the healthy Swiss albino mice for 4 weeks. The level of non-enzymatic oxidative markers namely malondialdehyde (MDA); nitric oxide (NO); advanced protein oxidation product (APOP); glutathione (GSH) and the activity of enzymatic antioxidants i.e.; catalase (CAT) and superoxide dismutase (SOD) were determined from the isolated brain regions. Treatment with Astaxanthin significantly (p < 0.05) reduces the level of MDA, APOP, NO in the cortex, striatum, hypothalamus, hippocampus and cerebellum in both age groups. Astaxanthin markedly (p < 0.05) enhances the activity of CAT and SOD enzymes while improves the level of GSH in the brain. Overall, improvement of oxidative markers was significantly greater in the young group than the aged animal.
CONCLUSIONS:
In conclusion, we report that the activity of Astaxanthin is age-dependent, higher in young in compared to the aged brain.

The effect of astaxanthin on resistance of juvenile prawns Macrobrachium nipponense (Decapoda: Palaemonidae) to physical and chemical stress.[Pubmed: 25720170]

Rev Biol Trop. 2014 Dec;62(4):1331-41.

In recent years, the use of new scientific techniques has effectively improved aquaculture production processes. Astaxanthin has various properties in aquaculture and its antioxidant benefits have been closely related to stress resistance; besides, it is an essential factor for growth in many crustaceans and fish. The objective of this study was to evaluate the resistance of prawn (Macrobrachium nipponense) fed diets containing different amounts of Astaxanthin (AX) to the shock and stress of different physicochemical environments.
METHODS AND RESULTS:
A 70-day trial was conducted to evaluate the effect of supplementation of a source of Astaxanthin (Carophyll Pink, 10% Astaxanthin, w/w, Hoffman-La Roche, Switzerland) at various levels in the diet of M. nipponense juveniles. Four dry diets were prepared: AX0 without Astaxanthin, AX50 with 50 mg/kg, AX100 with 100 mg/kg, and AX150 with 150 mg/kg Astaxanthin. The feeding trial was conducted in a recirculation water system consisting of 12 fiberglass tanks (1000L) used for holding prawns. Three replicate aquaria were initially stocked with 36 org/m2 per tank. During the trial, prawns were maintained on a 12:12-h light:dark photoperiod with an ordinary incandescent lamp, and the water quality parameters were maintained as follows: water temperature, 25-26°C; salinity, 1 g/L; pH, 8.5-8.8; dissolved oxygen, 6.0-6.5 mg/L; and ammonia-nitrogen, 0.05 mg/L. Incorporation of AX, production output, and physiological condition were recorded after 10 weeks of feeding. At the end of the growing period, the prawns were exposed to thermal shock (0°C), ammonia (0.75 mg/L), and reduced oxygen (0.5 mg/L). The time to lethargy and the time to complete death of the prawns were recorded. The results showed that control prawns had the shortest time to lethargy and death compared with prawns subjected to the other treatments. The results of this study have shown that the amount of muscle tissue and gill carotenoids in prawn fed with an AX150 diet showed greater reduction than those exposed to other treatments. It is possible that higher levels of Astaxanthin in the body under oxygen reduction stress can be beneficial for prawns.
CONCLUSIONS:
These results suggest that male prawns showed lethargy earlier than females, and the percentage of carotenoid reduction in muscle and gill tissues was higher in males.

Protocol of Astaxanthin

Kinase Assay

The protective effect of astaxanthin on fetal alcohol spectrum disorder in mice.[Pubmed: 24780381]

Neuropharmacology. 2014 Sep;84:13-8.

Astaxanthin is a strong antioxidant with the ability of reducing the markers of inflammation.
METHODS AND RESULTS:
To explore the protective effect of Astaxanthin on maternal ethanol induced embryonic deficiency, and to investigate the underlying mechanisms, we detected the morphology, expression of neural marker genes, oxidative stress indexes, and inflammatory factors in mice model of fetal alcohol spectrum disorder with or without Astaxanthin pretreatment. Our results showed that Astaxanthin blocked maternal ethanol induced retardation of embryonic growth, and the down-regulation of neural marker genes, Otx1 and Sox2. Moreover, Astaxanthin also reversed the increases of malondialdehyde (MDA), hydrogen peroxide (H2O2), and the decrease of glutathione peroxidase (GPx) in fetal alcohol spectrum disorder. In addition, maternal ethanol induced up-regulation of toll-like receptor 4 (TLR4), and the down-streaming myeloid differentiation factor 88 (MyD88), NF-κB, TNF-α, and IL-1β in embryos, and this was inhibited by Astaxanthin pretreatment.
CONCLUSIONS:
These results demonstrated a protective effect of Astaxanthin on fetal alcohol spectrum disorder, and suggested that oxidative stress and TLR4 signaling associated inflammatory reaction are involved in this process.

Animal Research

Astaxanthin modulates osteopontin and transforming growth factor β1 expression levels in a rat model of nephrolithiasis: a comparison with citrate administration.[Pubmed: 24712822]

BJU Int. 2014 Sep;114(3):458-66.

To evaluate the effect of Astaxanthin on renal angiotensin-I converting enzyme (ACE) levels, osteopontin (OPN) and transforming growth factor β1 (TGF-β1) expressions and the extent of crystal deposition in experimentally induced calcium oxalate kidney stone disease in a male Wistar rat model. To compare the efficacy of Astaxanthin treatment with a currently used treatment strategy (citrate administration) for kidney stones.
METHODS AND RESULTS:
The expression of OPN was assessed by immunohistochemistry. One step reverse transcriptase polymerase chain reaction followed by densitometry was used to assess renal OPN and TGF-β1 levels. Renal ACE levels were quantified by an enzyme-linked immunosorbent assay method. Crystal deposition in kidney was analysed by scanning electron microscopic (SEM)-energy-dispersive X-ray (EDX). The renal ACE levels and the expression of OPN and TGF-β1 were upregulated in the nephrolithiasis-induced rats. Astaxanthin treatment reduced renal ACE levels and the expression OPN and TGF-β1. SEM-EDX analysis showed that crystal deposition was reduced in the Astaxanthin-treated nephrolithiatic group. Astaxanthin treatment was more effective than citrate administration in the regulation of renal ACE levels, OPN and TGF-β1 expressions.
CONCLUSIONS:
Astaxanthin administration reduced renal calcium oxalate crystal deposition possibly by modulating the renal renin-angiotensin system (RAS), which reduced the expression of OPN and TGF-β1 levels. Astaxanthin administration was more effective than citrate treatment in reducing crystal deposition and down-regulating the expression of OPN and TGF-β1.

Astaxanthin Dilution Calculator

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Preparing Stock Solutions of Astaxanthin

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 1.6755 mL 8.3773 mL 16.7546 mL 33.5093 mL 41.8866 mL
5 mM 0.3351 mL 1.6755 mL 3.3509 mL 6.7019 mL 8.3773 mL
10 mM 0.1675 mL 0.8377 mL 1.6755 mL 3.3509 mL 4.1887 mL
50 mM 0.0335 mL 0.1675 mL 0.3351 mL 0.6702 mL 0.8377 mL
100 mM 0.0168 mL 0.0838 mL 0.1675 mL 0.3351 mL 0.4189 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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References on Astaxanthin

Astaxanthin reduces matrix metalloproteinase expression in human chondrocytes.[Pubmed:24480614]

Int Immunopharmacol. 2014 Mar;19(1):174-7.

Astaxanthin is a red carotenoid pigment which exerts multiple biological activities. However, little is known about the effects of Astaxanthin on matrix metalloproteinases (MMPs) in OA. The present study investigated the effects of Astaxanthin on MMPs in human chondrocytes. Human chondrocytes were pretreated with Astaxanthin at 1, 10 or 50muM, then, cells were stimulated with IL-1beta (10ng/ml) for 24h. MMP-1, MMP-3 and MMP-13 were observed. We found that Astaxanthin reduced the expression of MMP-1, MMP-3 and MMP-13 as well as the phosphorylation of two mitogen-activated protein kinases (MAPK) (p38 and ERK1/2) in IL-1beta-stimulated chondrocytes. Astaxanthin also blocked the IkappaB-alpha degradation. These results suggest that Astaxanthin may be beneficial in the treatment of OA.

The antioxidant effect of astaxanthin is higher in young mice than aged: a region specific study on brain.[Pubmed:26116165]

Metab Brain Dis. 2015 Oct;30(5):1237-46.

Astaxanthin is a potential antioxidant which shows neuroprotective property. We aimed to investigate the age-dependent and region-specific antioxidant effects of Astaxanthin in mice brain. Animals were divided into 4 groups; treatment young (3 months, n = 6) (AY), treatment old (16 months, n = 6) (AO), placebo young (3 months, n = 6) (PY) and placebo old (16 months, n = 6) (PO) groups. Treatment group was given Astaxanthin (2 mg/kg/day, body weight), and placebo group was given 100 mul of 0.9% normal saline orally to the healthy Swiss albino mice for 4 weeks. The level of non-enzymatic oxidative markers namely malondialdehyde (MDA); nitric oxide (NO); advanced protein oxidation product (APOP); glutathione (GSH) and the activity of enzymatic antioxidants i.e.; catalase (CAT) and superoxide dismutase (SOD) were determined from the isolated brain regions. Treatment with Astaxanthin significantly (p < 0.05) reduces the level of MDA, APOP, NO in the cortex, striatum, hypothalamus, hippocampus and cerebellum in both age groups. Astaxanthin markedly (p < 0.05) enhances the activity of CAT and SOD enzymes while improves the level of GSH in the brain. Overall, improvement of oxidative markers was significantly greater in the young group than the aged animal. In conclusion, we report that the activity of Astaxanthin is age-dependent, higher in young in compared to the aged brain.

The effect of astaxanthin on resistance of juvenile prawns Macrobrachium nipponense (Decapoda: Palaemonidae) to physical and chemical stress.[Pubmed:25720170]

Rev Biol Trop. 2014 Dec;62(4):1331-41.

In recent years, the use of new scientific techniques has effectively improved aquaculture production processes. Astaxanthin has various properties in aquaculture and its antioxidant benefits have been closely related to stress resistance; besides, it is an essential factor for growth in many crustaceans and fish. The objective of this study was to evaluate the resistance of prawn (Macrobrachium nipponense) fed diets containing different amounts of Astaxanthin (AX) to the shock and stress of different physicochemical environments. A 70-day trial was conducted to evaluate the effect of supplementation of a source of Astaxanthin (Carophyll Pink, 10% Astaxanthin, w/w, Hoffman-La Roche, Switzerland) at various levels in the diet of M. nipponense juveniles. Four dry diets were prepared: AX0 without Astaxanthin, AX50 with 50 mg/kg, AX100 with 100 mg/kg, and AX150 with 150 mg/kg Astaxanthin. The feeding trial was conducted in a recirculation water system consisting of 12 fiberglass tanks (1000L) used for holding prawns. Three replicate aquaria were initially stocked with 36 org/m2 per tank. During the trial, prawns were maintained on a 12:12-h light:dark photoperiod with an ordinary incandescent lamp, and the water quality parameters were maintained as follows: water temperature, 25-26 degrees C; salinity, 1 g/L; pH, 8.5-8.8; dissolved oxygen, 6.0-6.5 mg/L; and ammonia-nitrogen, 0.05 mg/L. Incorporation of AX, production output, and physiological condition were recorded after 10 weeks of feeding. At the end of the growing period, the prawns were exposed to thermal shock (0 degrees C), ammonia (0.75 mg/L), and reduced oxygen (0.5 mg/L). The time to lethargy and the time to complete death of the prawns were recorded. The results showed that control prawns had the shortest time to lethargy and death compared with prawns subjected to the other treatments. The results of this study have shown that the amount of muscle tissue and gill carotenoids in prawn fed with an AX150 diet showed greater reduction than those exposed to other treatments. It is possible that higher levels of Astaxanthin in the body under oxygen reduction stress can be beneficial for prawns. These results suggest that male prawns showed lethargy earlier than females, and the percentage of carotenoid reduction in muscle and gill tissues was higher in males.

The protective effect of astaxanthin on fetal alcohol spectrum disorder in mice.[Pubmed:24780381]

Neuropharmacology. 2014 Sep;84:13-8.

Astaxanthin is a strong antioxidant with the ability of reducing the markers of inflammation. To explore the protective effect of Astaxanthin on maternal ethanol induced embryonic deficiency, and to investigate the underlying mechanisms, we detected the morphology, expression of neural marker genes, oxidative stress indexes, and inflammatory factors in mice model of fetal alcohol spectrum disorder with or without Astaxanthin pretreatment. Our results showed that Astaxanthin blocked maternal ethanol induced retardation of embryonic growth, and the down-regulation of neural marker genes, Otx1 and Sox2. Moreover, Astaxanthin also reversed the increases of malondialdehyde (MDA), hydrogen peroxide (H2O2), and the decrease of glutathione peroxidase (GPx) in fetal alcohol spectrum disorder. In addition, maternal ethanol induced up-regulation of toll-like receptor 4 (TLR4), and the down-streaming myeloid differentiation factor 88 (MyD88), NF-kappaB, TNF-alpha, and IL-1beta in embryos, and this was inhibited by Astaxanthin pretreatment. These results demonstrated a protective effect of Astaxanthin on fetal alcohol spectrum disorder, and suggested that oxidative stress and TLR4 signaling associated inflammatory reaction are involved in this process.

Astaxanthin modulates osteopontin and transforming growth factor beta1 expression levels in a rat model of nephrolithiasis: a comparison with citrate administration.[Pubmed:24712822]

BJU Int. 2014 Sep;114(3):458-66.

OBJECTIVES: To evaluate the effect of Astaxanthin on renal angiotensin-I converting enzyme (ACE) levels, osteopontin (OPN) and transforming growth factor beta1 (TGF-beta1) expressions and the extent of crystal deposition in experimentally induced calcium oxalate kidney stone disease in a male Wistar rat model. To compare the efficacy of Astaxanthin treatment with a currently used treatment strategy (citrate administration) for kidney stones. MATERIALS AND METHODS: The expression of OPN was assessed by immunohistochemistry. One step reverse transcriptase polymerase chain reaction followed by densitometry was used to assess renal OPN and TGF-beta1 levels. Renal ACE levels were quantified by an enzyme-linked immunosorbent assay method. Crystal deposition in kidney was analysed by scanning electron microscopic (SEM)-energy-dispersive X-ray (EDX). RESULTS: The renal ACE levels and the expression of OPN and TGF-beta1 were upregulated in the nephrolithiasis-induced rats. Astaxanthin treatment reduced renal ACE levels and the expression OPN and TGF-beta1. SEM-EDX analysis showed that crystal deposition was reduced in the Astaxanthin-treated nephrolithiatic group. Astaxanthin treatment was more effective than citrate administration in the regulation of renal ACE levels, OPN and TGF-beta1 expressions. CONCLUSIONS: Astaxanthin administration reduced renal calcium oxalate crystal deposition possibly by modulating the renal renin-angiotensin system (RAS), which reduced the expression of OPN and TGF-beta1 levels. Astaxanthin administration was more effective than citrate treatment in reducing crystal deposition and down-regulating the expression of OPN and TGF-beta1.

Description

Astaxanthin, a red dietary carotenoid isolated from Haematococcus pluvialis, is a modulator of PPARγ and a potent antioxidant with antiproliferative, neuroprotective and anti-inflammatory activity. Astaxanthin has potential in the treatment of various diseases, such as cancers and Parkinson’s disease, cardiovascular disease. Due to its bright red colour, Astaxanthin could be used as a food colorant in animal feeds.

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