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alpha-Tocopherol acetate
alpha-Tocopherol acetate
ChemFaces products have been cited in many studies from excellent and top scientific journals
Product Name alpha-Tocopherol acetate
Price: $30 / 20mg
CAS No.: 58-95-7
Catalog No.: CFN98999
Molecular Formula: C31H52O3
Molecular Weight: 472.8 g/mol
Purity: >=98%
Type of Compound: Phenols
Physical Desc.: Oil
Source: The herbs of Isodon adenantha
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Download: COA    MSDS    SDF
Similar structural: Comparison (Web)  (SDF)
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Related Screening Libraries
Size /Price /Stock 10 mM * 100 uL in DMSO / Inquiry / In-stock
10 mM * 1 mL in DMSO / Inquiry / In-stock
Related Libraries
Biological Activity
Description: The alpha-Tocopherol acetate form is often used in foods and other products due to its high biological activity and chemical stability.Alpha-Tocopherol acetate reduces substantially lipid peroxidation, especially at lower level (200 mg kg(-1) flesh).Alpha-Tocopherol acetate during treatment and dry period resulted in reduced oxidative stress, heat shock protein Hsp70 levels, improved antioxidant, and improved immunity status.
Targets: HSP (e.g. HSP90)
In vitro:
Food Chem. 2013 Nov 1;141(1):473-81.
Vitamin E bioaccessibility: influence of carrier oil type on digestion and release of emulsified α-tocopherol acetate.[Pubmed: 23768382]
Vitamin E is an essential micronutrient for humans and animals due to its antioxidant and non-antioxidant biological activities. The α-tocopherol acetate form is often used in foods and other products due to its high biological activity and chemical stability.
METHODS AND RESULTS:
In this study, we examined the influence of carrier oil type on the bioaccessibility and molecular form of emulsified vitamin E using a simulated gastrointestinal model. Oil-in-water emulsions containing α-tocopherol acetate were prepared using quillaja saponin as a natural surfactant, and either long chain triacylglycerols (LCT) or medium chain triacylglycerols (MCT) as carrier oils. The rate and extent of lipid digestion was higher for MCT- than LCT-emulsions, which was attributed to differences in the water dispersibility of the free fatty acids formed during lipolysis. Conversely, the total bioaccessibility of vitamin E after digestion was higher for LCT- than MCT-emulsions, which was attributed to the greater solubilisation capacity of mixed micelles formed from long chain fatty acids. The conversion of α-tocopherol acetate to α-tocopherol after in vitro digestion was also considerably higher for LCT- than MCT-emulsions, which may impact the subsequent absorption of vitamin E.
CONCLUSIONS:
Overall, this research has important implications for the design and fabrication of effective emulsion-based delivery systems for increasing the bioavailability of vitamin E.
Food Funct. 2015 Jan;6(1):84-97.
Enhancing vitamin E bioaccessibility: factors impacting solubilization and hydrolysis of α-tocopherol acetate encapsulated in emulsion-based delivery systems.[Pubmed: 25312787]
Vitamin E is an essential micronutrient for humans and animals due to its antioxidant and non-antioxidant biological activities. The α-tocopherol acetate form is often used in foods and other products due to its high biological activity and chemical stability.
METHODS AND RESULTS:
In this study, we examined the influence of carrier oil type on the bioaccessibility and molecular form of emulsified vitamin E using a simulated gastrointestinal model. Oil-in-water emulsions containing α-tocopherol acetate were prepared using quillaja saponin as a natural surfactant, and either long chain triacylglycerols (LCT) or medium chain triacylglycerols (MCT) as carrier oils. The rate and extent of lipid digestion was higher for MCT- than LCT-emulsions, which was attributed to differences in the water dispersibility of the free fatty acids formed during lipolysis. Conversely, the total bioaccessibility of vitamin E after digestion was higher for LCT- than MCT-emulsions, which was attributed to the greater solubilisation capacity of mixed micelles formed from long chain fatty acids. The conversion of α-tocopherol acetate to α-tocopherol after in vitro digestion was also considerably higher for LCT- than MCT-emulsions, which may impact the subsequent absorption of vitamin E.
CONCLUSIONS:
Overall, this research has important implications for the design and fabrication of effective emulsion-based delivery systems for increasing the bioavailability of vitamin E.
In vivo:
Food Chem Toxicol. 2013 Nov;61:227-32.
Investigation of in vivo toxicity of hydroxylamine sulfate and the efficiency of intoxication treatment by α-tocopherol acetate and methylene blue.[Pubmed: 23872126]
Investigation of hydroxylamine sulfate toxicity mechanism in vivo and estimation of α-tocopherol acetate and methylene blue efficiency in poisoning treatments.
METHODS AND RESULTS:
In vivo experiments were conducted on 102 Wistar Han rats. The experiments investigated the hematotoxic and oxidative stress effects of hydroxylamine sulfate in acute and subacute toxicity treatment of animals. Electron Spin Resonance was used for quantitative determination of blood and liver tissue parameters alterations after intoxication. The osmotic fragility of erythrocytes, lipid peroxidation intensity and level of SH-groups in liver of rats were determined by established biochemical assays. Hydroxylamine sulfate cause an acute hematotoxicity and oxidative stress in vivo as demonstrated by the appearance of free oxidized iron in blood, reduced glutathione content and increased lipid peroxidation in liver. The experimental studies showed the formation of Hb-NO, MetHb in erythrocytes and as well of stable complex of reduced iron (Fe(2+)) with hydroxylamine sulfate. Methylene blue treatment does not reduce the Hb-NO or MetHb levels in intoxicated animals while administration of α-tocopherol acetate reduces substantially lipid peroxidation.
CONCLUSIONS:
Oxidative stress is a key mechanism of acute hematotoxicity caused by hydroxylamine sulfate. Methylene blue is not suitable antidote in case of hydroxylamine intoxication.
alpha-Tocopherol acetate Description
Source: The herbs of Isodon adenantha
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Storage: Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C).

Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com

After receiving: The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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Calculate Dilution Ratios(Only for Reference)
1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.1151 mL 10.5753 mL 21.1506 mL 42.3012 mL 52.8765 mL
5 mM 0.423 mL 2.1151 mL 4.2301 mL 8.4602 mL 10.5753 mL
10 mM 0.2115 mL 1.0575 mL 2.1151 mL 4.2301 mL 5.2876 mL
50 mM 0.0423 mL 0.2115 mL 0.423 mL 0.846 mL 1.0575 mL
100 mM 0.0212 mL 0.1058 mL 0.2115 mL 0.423 mL 0.5288 mL
* Note: If you are in the process of experiment, it's need to make the dilution ratios of the samples. The dilution data of the sheet for your reference. Normally, it's can get a better solubility within lower of Concentrations.
Protocol
Animal Research:
Trop Anim Health Prod. 2013 Jan;45(1):239-45.
Heat shock protein 70, oxidative stress, and antioxidant status in periparturient crossbred cows supplemented with α-tocopherol acetate.[Pubmed: 22700285]
The study was conducted to investigating the effect of α-tocopherol acetate on heat shock protein 70 (Hsp70), oxidative stress, and antioxidant status during periparturient period in medium body condition score crossbred cows.
METHODS AND RESULTS:
Twenty crossbred Karan Fries cows with confirmed pregnancy were selected 2 months before expected date of calving. The cows were randomly distributed in to two groups: 10 cows were kept as control and 10 were supplemented with α-tocopherol acetate during dry period for 2 months. Blood samples were collected at -20, -10, -5, 0, 5, 10, and 20 days in relation to the expected date of calving. Superoxide dismutase, catalase, and total immunoglobulin were significantly higher (P < 0.01) in treatment as compared to control cows. Heat shock protein 70 and thiobarbituric acid reactive substance levels were significantly lower (P < 0.01) in the treatment cows than their counterpart.
CONCLUSIONS:
Treatment with α-tocopherol acetate during dry period resulted in reduced oxidative stress, heat shock protein Hsp70 levels, improved antioxidant, and improved immunity status indicating beneficial effect of α-tocopherol acetate treatment.
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