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Astaxanthin Extract Powder CAS 472-61-7 | Quality China Suppliers & Factory for Antioxidant Benefits
Astaxanthin Extract Powder – Basic Information
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Chemical Name: (3S,3'S)-β,β-Carotene-3,3'-diol
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Molecular Formula: C40H52O4
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Molecular Weight: 596.84 g/mol
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Appearance: Dark red to reddish-orange powder
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Solubility: Insoluble in water, soluble in organic solvents such as ethanol, acetone, and oils
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Melting Point: Approximately 229–231°C
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Purity: Typically >95%
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CAS Number: 472-61-7
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Source: Extracted from microalgae, primarily Haematococcus pluvialis
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Chemical Structure: Astaxanthin is a carotenoid with a structure similar to beta-carotene, consisting of a polyene chain with hydroxyl groups at each end, contributing to its antioxidant properties.
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Astaxanthin is a highly stable carotenoid with excellent antioxidant capabilities, making it one of the most powerful natural antioxidants found in nature.
Astaxanthin Extract Powder – Uses
❓ Frequently Asked Questions
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What is astaxanthin extract powder?
Astaxanthin extract powder is a natural carotenoid pigment derived primarily from the microalgae Haematococcus pluvialis. It appears as a dark red to reddish-orange powder and is widely recognized as one of the most potent natural antioxidants available.
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What is the CAS number for astaxanthin?
The CAS number for astaxanthin is 472-61-7. Its molecular formula is C40H52O4, with a molecular weight of 596.84 g/mol.
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What purity level does astaxanthin extract powder typically reach?
High-quality astaxanthin extract powder typically achieves a purity of greater than 95%, making it suitable for use in dietary supplements, nutraceuticals, and cosmetic formulations.
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Is astaxanthin soluble in water?
No, astaxanthin is insoluble in water. However, it is soluble in organic solvents such as ethanol, acetone, and various oils, which is an important consideration when formulating products.
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What makes astaxanthin a powerful antioxidant?
Astaxanthin's antioxidant power comes from its unique chemical structure — a polyene chain with hydroxyl groups at each end. This structure allows it to neutralize free radicals both inside and outside cell membranes, giving it superior antioxidant activity compared to many other carotenoids.
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What is the primary natural source of astaxanthin?
The primary natural source of astaxanthin is the microalgae Haematococcus pluvialis, which accumulates high concentrations of astaxanthin under stress conditions such as intense light or nutrient deprivation. It is also found in smaller quantities in salmon, shrimp, and other marine organisms.